Active NPI 1720077035 Individual Practitioner Male Practitioner

Dr. Steven Carl Hallberg , MD

Internal Medicine - Nephrology • Ames, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Steven Hallberg, MD is a certified Internal Medicine - Nephrology practicing in Ames, IA. With approximately 48 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 1978, Dr. Hallberg delivers high-quality medical care to the local community at 1015 DUFF AVE.

Dr. Hallberg is affiliated with Mcfarland Clinic Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1015 Duff Ave

Ames, IA 500105733

Telephone 5152394760

Fax 5152394420

Associated Practice Facility / Clinic

🏢 Doran & Doran Pc Facility NPI 1417930736

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Ames, IA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

48 Yrs +19.7 yrs vs City Avg

City Avg: 28.3 Yrs

State Avg: 27.0 Yrs

Regional Practice Density

4 Specialists

Practicing in Ames, IA (93 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hallberg (48 Years) 48 Yrs

Ames Specialty Average (28.3 Years) 28.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	520	139	$10.00	$8.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	431	133	$202.76	$118.40
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	376	132	$16.00	$15.27
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	158	44	$710.00	$270.24
84443 Blood test, thyroid stimulating hormone (TSH)	140	75	$63.00	$16.46
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	139	61	$129.77	$72.49
80069 Kidney function blood test panel	139	66	$33.00	$8.51
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	128	80	$27.02	$7.61
80048 Blood test, basic group of blood chemicals (calcium, total)	92	55	$33.00	$8.29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	92	92	$137.78	$119.74
80053 Blood test, comprehensive group of blood chemicals	86	69	$41.00	$10.35
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	83	57	$24.00	$6.34
84295 Blood sodium level	81	45	$18.00	$4.71
84132 Blood potassium level	78	45	$17.00	$4.66
82565 Blood creatinine level	75	46	$19.00	$5.02
99213 Established patient office or other outpatient visit, typically 15 minutes	73	48	$136.84	$83.86
80061 Blood test, lipids (cholesterol and triglycerides)	67	65	$49.00	$13.12
90935 Hemodialysis procedure with physician evaluation	61	29	$212.90	$65.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	50	$346.40	$159.11
83036 Hemoglobin A1C level	52	29	$37.00	$9.52
90966 Home dialysis services per month, patient 20 years of age or older	50	16	$701.00	$271.43
G0008 Administration of influenza virus vaccine	48	48	$41.90	$29.70
90662 Influenza vaccine split virus, preservative free	48	48	$90.35	$81.61
81001 Manual urinalysis test with examination using microscope, automated	40	22	$12.00	$3.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	27	$190.70	$109.06
82310 Calcium level, total	39	30	$19.00	$5.06
82306 Vitamin d-3 level	34	33	$112.00	$29.01
82570 Creatinine level to test for kidney function or muscle injury	31	27	$19.00	$5.08
83550 Iron binding capacity	30	24	$32.00	$8.57
82728 Ferritin (blood protein) level	30	24	$50.00	$13.36
83540 Iron level	30	24	$25.00	$6.34
86140 Measurement C-reactive protein for detection of infection or inflammation	27	21	$19.00	$5.08
87086 Bacterial colony count, urine	24	16	$31.00	$7.91
G0444 Annual depression screening, 5 to 15 minutes	24	24	$35.00	$17.23
83735 Magnesium level	23	20	$25.00	$6.57
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	17	$78.91	$45.27
84165 Protein measurement, serum	21	21	$53.00	$10.53
81003 Automated urinalysis test	20	18	$9.00	$2.20
84100 Phosphate level	20	16	$17.00	$4.65
84155 Total protein level, blood	19	19	$13.00	$3.60
82607 Cyanocobalamin (vitamin B-12) level	19	18	$56.00	$14.78
82043 Urine microalbumin (protein) level	18	18	$22.00	$5.66
G0103 Prostate cancer screening; prostate specific antigen test (psa)	15	15	$31.93	$18.92
82746 Folic acid level	14	14	$56.00	$14.41
90962 Dialysis services, 1 physician visit per month (20 years or older)	12	12	$544.00	$185.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	559	149	$10.00	$8.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	474	146	$197.00	$120.76
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	178	96	$28.00	$7.57
80069 Kidney function blood test panel	170	85	$33.00	$8.51
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	154	49	$689.00	$279.11
84443 Blood test, thyroid stimulating hormone (TSH)	150	78	$63.00	$16.46
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	147	58	$126.00	$75.28
82565 Blood creatinine level	135	74	$19.00	$5.02
84132 Blood potassium level	128	72	$17.00	$4.66
84295 Blood sodium level	125	71	$18.00	$4.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	100	100	$134.00	$122.72
82310 Calcium level, total	77	53	$19.00	$5.06
80053 Blood test, comprehensive group of blood chemicals	77	55	$41.00	$10.35
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	75	56	$24.00	$6.34
90966 Home dialysis services per month, patient 20 years of age or older	72	22	$681.00	$274.95
G0444 Annual depression screening, 5 to 15 minutes	72	72	$35.00	$17.40
80061 Blood test, lipids (cholesterol and triglycerides)	70	64	$49.00	$12.96
80048 Blood test, basic group of blood chemicals (calcium, total)	63	42	$33.00	$8.18
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	29	$71.56	$46.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	44	$353.00	$165.12
90945 Dialysis procedure including 1 evaluation	46	12	$229.00	$81.07
99213 Established patient office or other outpatient visit, typically 15 minutes	44	39	$133.00	$83.93
90935 Hemodialysis procedure with physician evaluation	44	20	$207.00	$68.15
83036 Hemoglobin A1C level	43	21	$37.00	$9.52
90662 Influenza vaccine split virus, preservative free	43	43	$74.00	$71.93
G0008 Administration of influenza virus vaccine	43	43	$37.00	$28.57
81001 Manual urinalysis test with examination using microscope, automated	39	18	$12.00	$3.11
82306 Vitamin d-3 level	38	33	$112.00	$29.01
87086 Bacterial colony count, urine	37	19	$31.00	$7.91
82607 Cyanocobalamin (vitamin B-12) level	34	32	$56.00	$14.41
81003 Automated urinalysis test	33	31	$9.00	$2.20
90962 Dialysis services, 1 physician visit per month (20 years or older)	31	20	$528.00	$185.01
83735 Magnesium level	30	20	$25.00	$6.57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	18	$183.59	$113.28
83540 Iron level	26	19	$25.00	$6.34
83550 Iron binding capacity	26	19	$32.00	$8.57
84100 Phosphate level	24	16	$17.00	$4.65
82728 Ferritin (blood protein) level	24	19	$50.00	$13.36
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	17	$238.00	$123.45
84520 Urea nitrogen level to assess kidney function	18	16	$14.00	$3.87
G0103 Prostate cancer screening; prostate specific antigen test (psa)	17	17	$31.00	$18.92
84165 Protein measurement, serum	16	15	$53.00	$10.53
82570 Creatinine level to test for kidney function or muscle injury	16	15	$19.00	$5.08
83970 Parathormone (parathyroid hormone) level	13	13	$155.00	$40.45
82746 Folic acid level	13	12	$56.00	$14.41
86140 Measurement C-reactive protein for detection of infection or inflammation	12	11	$19.00	$5.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	643	168	$9.50	$2.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	442	155	$191.00	$121.93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	277	102	$129.00	$67.66
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	262	125	$29.00	$7.66
80069 Kidney function blood test panel	261	106	$33.00	$8.56
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	192	65	$668.00	$285.32
84443 Blood test, thyroid stimulating hormone (TSH)	161	87	$63.00	$16.56
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	98	98	$129.66	$125.07
82565 Blood creatinine level	91	58	$19.00	$5.05
84132 Blood potassium level	90	56	$17.00	$4.69
90935 Hemodialysis procedure with physician evaluation	88	36	$207.00	$69.89
84295 Blood sodium level	87	50	$18.00	$4.74
80048 Blood test, basic group of blood chemicals (calcium, total)	86	53	$33.00	$8.37
G0444 Annual depression screening, 5 to 15 minutes	86	86	$36.00	$17.44
90662 Influenza vaccine split virus, preservative free	85	84	$74.00	$68.39
G0008 Administration of influenza virus vaccine	85	84	$34.00	$27.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	79	44	$187.00	$96.59
80053 Blood test, comprehensive group of blood chemicals	74	66	$41.00	$10.42
90966 Home dialysis services per month, patient 20 years of age or older	72	19	$661.00	$283.53
80061 Blood test, lipids (cholesterol and triglycerides)	67	64	$49.00	$13.22
99231 Follow-up hospital inpatient care per day, typically 15 minutes	61	37	$68.00	$36.61
99213 Established patient office or other outpatient visit, typically 15 minutes	56	45	$129.00	$86.22
83540 Iron level	53	30	$25.00	$6.38
83550 Iron binding capacity	53	30	$32.00	$8.61
85610 Blood test, clotting time	46	12	$16.00	$4.25
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	41	$360.00	$185.87
83036 Hemoglobin A1C level	44	28	$37.00	$9.58
82728 Ferritin (blood protein) level	39	23	$50.00	$13.43
82310 Calcium level, total	33	29	$19.00	$5.09
82306 Vitamin d-3 level	31	29	$112.00	$29.21
81001 Manual urinalysis test with examination using microscope, automated	27	22	$12.00	$3.13
81003 Automated urinalysis test	27	23	$8.50	$2.22
90962 Dialysis services, 1 physician visit per month (20 years or older)	26	21	$512.00	$195.35
82607 Cyanocobalamin (vitamin B-12) level	26	24	$56.00	$14.90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$243.00	$128.32
83735 Magnesium level	24	16	$25.00	$6.62
82570 Creatinine level to test for kidney function or muscle injury	22	21	$19.00	$5.11
87086 Bacterial colony count, urine	22	16	$31.00	$7.97
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	21	21	$796.00	$344.98
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	18	15	$24.00	$6.34
80076 Liver function blood test panel	17	13	$31.00	$8.07
84165 Protein measurement, serum	17	17	$53.00	$10.62
84100 Phosphate level	15	12	$16.00	$4.68
84439 Thyroxine (thyroid chemical), free	15	11	$32.00	$8.88
82043 Urine microalbumin (protein) level	14	13	$22.00	$5.69
99239 Hospital discharge day management, more than 30 minutes	14	12	$185.00	$100.05
86140 Measurement C-reactive protein for detection of infection or inflammation	14	13	$19.00	$5.11
84155 Total protein level, blood	14	14	$13.00	$3.62
82746 Folic acid level	13	13	$56.00	$14.51
G0103 Prostate cancer screening; prostate specific antigen test (psa)	13	13	$30.00	$19.04
0124A Fee covid-19 vac 13 res	12	12	$48.00	$36.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
0001A Intramuscular administration of single severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, diluent reconstituted; first dose	1,340	1,340	$24.49	$18.65
0002A Intramuscular administration of single severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, diluent reconstituted; second dose	1,291	1,291	$46.34	$35.93
36415 Insertion of needle into vein for collection of blood sample	759	195	$9.50	$3.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	523	179	$187.00	$124.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	278	117	$126.00	$68.84
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	261	125	$28.00	$7.77
0012A Adm sarscov2 100mcg/0.5ml2nd	241	241	$35.97	$27.04
0011A Adm sarscov2 100mcg/0.5ml1st	203	203	$23.26	$17.69
84132 Blood potassium level	192	87	$17.00	$4.76
80069 Kidney function blood test panel	191	103	$33.00	$8.68
82565 Blood creatinine level	187	90	$19.00	$5.12
84295 Blood sodium level	177	79	$18.00	$4.81
84443 Blood test, thyroid stimulating hormone (TSH)	177	97	$63.00	$16.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	144	144	$117.00	$118.79
99213 Established patient office or other outpatient visit, typically 15 minutes	125	84	$126.00	$87.15
80048 Blood test, basic group of blood chemicals (calcium, total)	125	82	$33.00	$8.46
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	113	48	$655.00	$287.14
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	107	33	$780.00	$347.94
80061 Blood test, lipids (cholesterol and triglycerides)	97	91	$49.00	$13.39
90935 Hemodialysis procedure with physician evaluation	91	33	$203.00	$70.60
G0008 Administration of influenza virus vaccine	85	84	$34.00	$15.89
90662 Influenza vaccine split virus, preservative free	81	80	$73.56	$65.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	72	42	$183.00	$99.01
G0444 Annual depression screening, 5 to 15 minutes	70	70	$35.00	$17.78
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	39	$67.00	$36.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	60	$353.00	$191.78
83036 Hemoglobin A1C level	65	35	$37.00	$9.71
82306 Vitamin d-3 level	63	60	$112.00	$29.60
80053 Blood test, comprehensive group of blood chemicals	63	52	$41.00	$10.56
90966 Home dialysis services per month, patient 20 years of age or older	55	17	$648.00	$287.70
82310 Calcium level, total	54	45	$19.00	$5.16
85018 Blood count, hemoglobin	45	29	$9.00	$2.37
90945 Dialysis procedure including 1 evaluation	42	12	$218.00	$83.19
83540 Iron level	38	27	$25.00	$6.47
86140 Measurement C-reactive protein for detection of infection or inflammation	38	25	$19.00	$5.18
83550 Iron binding capacity	38	27	$31.00	$8.74
81001 Manual urinalysis test with examination using microscope, automated	37	26	$11.50	$3.17
0004A Fee covid-19 vac 1 res	33	33	$48.00	$37.36
82728 Ferritin (blood protein) level	30	24	$50.00	$13.63
81003 Automated urinalysis test	28	27	$8.50	$2.25
99239 Hospital discharge day management, more than 30 minutes	27	22	$181.00	$101.74
87086 Bacterial colony count, urine	27	17	$31.00	$8.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$238.00	$129.94
84439 Thyroxine (thyroid chemical), free	25	18	$31.00	$9.02
90962 Dialysis services, 1 physician visit per month (20 years or older)	23	17	$502.00	$196.72
99225 Subsequent observation care, typically 25 minutes per day	21	13	$120.00	$68.85
G0103 Prostate cancer screening; prostate specific antigen test (psa)	20	20	$29.00	$19.31
82607 Cyanocobalamin (vitamin B-12) level	19	18	$56.00	$15.08
83735 Magnesium level	18	14	$25.00	$6.70
82570 Creatinine level to test for kidney function or muscle injury	18	16	$19.00	$5.18
80076 Liver function blood test panel	18	16	$31.00	$8.17
84165 Protein measurement, serum	17	16	$53.00	$10.74
84550 Uric acid level, blood	17	12	$16.00	$4.52
84100 Phosphate level	17	14	$16.00	$4.74
83880 Natriuretic peptide (heart and blood vessel protein) level	16	12	$125.00	$39.26
82947 Blood glucose (sugar) level	14	14	$14.50	$3.93
84155 Total protein level, blood	13	13	$13.00	$3.67
82043 Urine microalbumin (protein) level	13	13	$22.00	$5.78
83970 Parathormone (parathyroid hormone) level	12	11	$155.00	$41.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	692	200	$10.00	$2.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	418	179	$183.00	$103.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	284	113	$124.00	$70.48
80069 Kidney function blood test panel	276	114	$33.00	$8.64
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	252	133	$27.00	$7.73
80048 Blood test, basic group of blood chemicals (calcium, total)	166	90	$33.00	$8.37
99213 Established patient office or other outpatient visit, typically 15 minutes	163	94	$124.00	$71.52
84443 Blood test, thyroid stimulating hormone (TSH)	135	85	$63.00	$16.74
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	129	52	$764.83	$278.71
99231 Follow-up hospital inpatient care per day, typically 15 minutes	123	63	$66.00	$38.17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	113	113	$115.00	$111.25
G0008 Administration of influenza virus vaccine	112	111	$34.00	$15.75
90662 Influenza vaccine split virus, preservative free	111	110	$61.93	$60.87
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	103	55	$655.00	$233.20
85610 Blood test, clotting time	94	11	$14.50	$4.25
80061 Blood test, lipids (cholesterol and triglycerides)	88	83	$49.00	$13.33
80053 Blood test, comprehensive group of blood chemicals	72	54	$41.00	$10.51
84132 Blood potassium level	66	43	$17.00	$4.72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	64	39	$179.00	$101.72
82565 Blood creatinine level	62	45	$19.00	$5.07
83036 Hemoglobin A1C level	59	36	$37.00	$9.67
90966 Home dialysis services per month, patient 20 years of age or older	58	20	$635.00	$234.48
90935 Hemodialysis procedure with physician evaluation	58	27	$203.00	$72.14
82306 Vitamin d-3 level	57	50	$112.00	$29.43
84295 Blood sodium level	55	36	$18.00	$4.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	47	$233.00	$133.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	42	$346.00	$196.93
81001 Manual urinalysis test with examination using microscope, automated	36	27	$11.00	$3.15
86140 Measurement C-reactive protein for detection of infection or inflammation	34	19	$19.00	$5.15
87086 Bacterial colony count, urine	34	24	$30.00	$8.02
84439 Thyroxine (thyroid chemical), free	33	24	$30.00	$8.98
99442 Telephone medical discussion with physician, 11-20 minutes	31	23	$70.45	$70.15
81003 Automated urinalysis test	29	25	$8.00	$2.24
99443 Telephone medical discussion with physician, 21-30 minutes	25	23	$92.24	$91.75
83735 Magnesium level	22	15	$25.00	$6.68
90962 Dialysis services, 1 physician visit per month (20 years or older)	20	17	$492.00	$179.12
G0103 Prostate cancer screening; prostate specific antigen test (psa)	20	20	$28.00	$19.13
83540 Iron level	19	13	$25.00	$6.43
83550 Iron binding capacity	19	13	$30.00	$8.69
82570 Creatinine level to test for kidney function or muscle injury	18	16	$19.00	$5.16
82607 Cyanocobalamin (vitamin B-12) level	17	17	$56.00	$15.06
99239 Hospital discharge day management, more than 30 minutes	16	12	$177.00	$104.00
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	15	11	$33.00	$8.57
87077 Bacterial culture for aerobic isolates	15	11	$31.00	$8.01
84550 Uric acid level, blood	15	11	$16.00	$4.48
84100 Phosphate level	15	13	$17.00	$4.71
84165 Protein measurement, serum	15	14	$53.00	$10.70
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	15	15	$52.00	$46.23
82043 Urine microalbumin (protein) level	12	11	$22.00	$5.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	703	215	$10.00	$2.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	506	192	$179.00	$102.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	300	117	$120.00	$69.28
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	254	146	$26.00	$8.40
99213 Established patient office or other outpatient visit, typically 15 minutes	207	128	$122.00	$69.04
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	205	75	$655.00	$229.95
80048 Blood test, basic group of blood chemicals (calcium, total)	203	111	$33.00	$9.21
80069 Kidney function blood test panel	201	97	$33.00	$9.38
84443 Blood test, thyroid stimulating hormone (TSH)	177	104	$63.00	$18.30
G0008 Administration of influenza virus vaccine	136	134	$34.00	$15.35
90662 Influenza vaccine split virus, preservative free	134	132	$57.90	$54.45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	131	131	$115.00	$110.33
99231 Follow-up hospital inpatient care per day, typically 15 minutes	117	70	$64.00	$37.46
80061 Blood test, lipids (cholesterol and triglycerides)	95	89	$49.00	$14.58
82565 Blood creatinine level	83	64	$19.00	$5.58
83036 Hemoglobin A1C level	76	36	$37.00	$10.45
84132 Blood potassium level	75	53	$17.00	$5.01
84295 Blood sodium level	72	51	$18.00	$5.24
82306 Vitamin d-3 level	71	60	$112.00	$32.23
80053 Blood test, comprehensive group of blood chemicals	69	57	$41.00	$11.51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	60	39	$174.00	$99.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	54	50	$226.00	$129.43
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	53	31	$743.00	$273.94
86140 Measurement C-reactive protein for detection of infection or inflammation	50	29	$20.00	$5.63
90935 Hemodialysis procedure with physician evaluation	48	26	$203.00	$70.96
90966 Home dialysis services per month, patient 20 years of age or older	47	14	$668.00	$226.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	42	$336.00	$189.90
81003 Automated urinalysis test	38	31	$8.50	$2.44
81001 Manual urinalysis test with examination using microscope, automated	35	25	$12.00	$3.45
84439 Thyroxine (thyroid chemical), free	34	24	$29.00	$9.82
82570 Creatinine level to test for kidney function or muscle injury	34	30	$20.00	$5.63
87086 Bacterial colony count, urine	29	19	$30.00	$8.79
84550 Uric acid level, blood	26	11	$17.00	$4.92
82043 Urine microalbumin (protein) level	26	24	$22.00	$6.29
G0009 Administration of pneumococcal vaccine	22	22	$34.00	$15.44
G0103 Prostate cancer screening; prostate specific antigen test (psa)	22	22	$28.00	$20.03
83550 Iron binding capacity	21	18	$29.00	$9.52
83540 Iron level	21	18	$25.00	$7.05
90962 Dialysis services, 1 physician visit per month (20 years or older)	20	17	$478.00	$177.50
85018 Blood count, hemoglobin	20	18	$8.50	$2.58
82728 Ferritin (blood protein) level	19	17	$50.00	$14.85
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$113.24	$110.16
99239 Hospital discharge day management, more than 30 minutes	17	17	$172.00	$102.86
83735 Magnesium level	16	16	$25.00	$7.29
87077 Bacterial culture for aerobic isolates	15	11	$31.00	$8.79
86803 Hepatitis c antibody measurement	15	15	$54.00	$15.53
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	15	11	$33.00	$9.42
99495 Transitional care management services for problem of at least moderate complexity	14	14	$282.00	$155.62
82947 Blood glucose (sugar) level	12	11	$14.50	$4.28
99217 Hospital observation care on day of discharge	12	12	$120.00	$69.97
99238 Hospital discharge day management, 30 minutes or less	12	12	$119.00	$65.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	790	226	$10.00	$2.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	542	204	$170.68	$100.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	362	118	$126.00	$68.59
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	251	147	$25.00	$9.36
80048 Blood test, basic group of blood chemicals (calcium, total)	236	127	$32.00	$10.19
80069 Kidney function blood test panel	224	89	$33.00	$10.51
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	218	76	$655.00	$225.59
99213 Established patient office or other outpatient visit, typically 15 minutes	205	116	$113.70	$67.58
84443 Blood test, thyroid stimulating hormone (TSH)	150	97	$63.00	$20.33
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	148	148	$115.00	$109.13
85610 Blood test, clotting time	142	25	$13.50	$4.75
G0008 Administration of influenza virus vaccine	131	131	$34.00	$18.82
90662 Influenza vaccine split virus, preservative free	126	126	$39.26	$38.32
80061 Blood test, lipids (cholesterol and triglycerides)	105	97	$49.00	$16.20
84132 Blood potassium level	99	67	$18.00	$5.47
84295 Blood sodium level	96	61	$18.00	$5.77
82565 Blood creatinine level	96	73	$20.00	$6.14
99231 Follow-up hospital inpatient care per day, typically 15 minutes	91	56	$64.00	$36.80
82306 Vitamin d-3 level	73	65	$112.00	$35.82
83036 Hemoglobin A1C level	72	41	$37.00	$11.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	58	54	$238.00	$129.34
90966 Home dialysis services per month, patient 20 years of age or older	56	18	$649.00	$225.83
90935 Hemodialysis procedure with physician evaluation	54	28	$197.00	$69.52
80053 Blood test, comprehensive group of blood chemicals	49	45	$40.00	$12.78
86140 Measurement C-reactive protein for detection of infection or inflammation	47	37	$20.00	$6.26
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	42	21	$183.00	$98.97
81001 Manual urinalysis test with examination using microscope, automated	39	30	$12.00	$3.84
85018 Blood count, hemoglobin	38	27	$8.00	$2.87
81003 Automated urinalysis test	35	31	$8.50	$2.71
82570 Creatinine level to test for kidney function or muscle injury	34	32	$20.00	$6.26
90962 Dialysis services, 1 physician visit per month (20 years or older)	32	25	$503.00	$174.68
87086 Bacterial colony count, urine	32	26	$30.00	$9.76
83735 Magnesium level	30	23	$25.00	$7.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	30	$354.00	$192.17
82728 Ferritin (blood protein) level	29	25	$50.00	$16.49
83550 Iron binding capacity	28	24	$28.00	$10.57
83540 Iron level	28	24	$25.00	$7.83
G0103 Prostate cancer screening; prostate specific antigen test (psa)	27	27	$28.00	$22.26
99239 Hospital discharge day management, more than 30 minutes	27	19	$181.00	$102.20
82043 Urine microalbumin (protein) level	23	22	$22.00	$7.00
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	22	21	$721.00	$269.72
82947 Blood glucose (sugar) level	21	21	$14.00	$4.75
84550 Uric acid level, blood	20	13	$17.00	$5.47
82607 Cyanocobalamin (vitamin B-12) level	18	17	$56.00	$18.24
99238 Hospital discharge day management, 30 minutes or less	18	18	$125.00	$69.18
84439 Thyroxine (thyroid chemical), free	17	13	$28.00	$10.91
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	17	15	$33.00	$10.46
87077 Bacterial culture for aerobic isolates	15	14	$31.00	$9.77
G0009 Administration of pneumococcal vaccine	15	15	$38.20	$18.94
84165 Protein measurement, serum	14	14	$53.00	$12.99
84155 Total protein level, blood	13	13	$14.50	$4.44
82746 Folic acid level	11	11	$56.00	$17.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	895	231	$10.00	$2.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	514	204	$170.00	$99.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	468	125	$126.24	$67.88
80048 Blood test, basic group of blood chemicals (calcium, total)	326	158	$31.00	$10.69
99213 Established patient office or other outpatient visit, typically 15 minutes	275	145	$113.00	$67.88
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	270	130	$24.00	$10.42
85610 Blood test, clotting time	227	23	$12.50	$4.68
80069 Kidney function blood test panel	210	74	$32.00	$11.35
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	165	66	$636.00	$225.02
G0008 Administration of influenza virus vaccine	134	133	$43.03	$23.13
90662 Influenza vaccine split virus, preservative free	132	131	$44.95	$43.75
84443 Blood test, thyroid stimulating hormone (TSH)	131	89	$63.00	$22.59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	126	126	$115.00	$107.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	119	62	$64.00	$37.06
80061 Blood test, lipids (cholesterol and triglycerides)	113	99	$48.00	$14.21
82565 Blood creatinine level	110	74	$19.00	$3.50
84132 Blood potassium level	107	70	$17.00	$3.18
84295 Blood sodium level	95	64	$18.00	$3.30
83036 Hemoglobin A1C level	84	42	$36.00	$13.05
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	83	44	$700.00	$267.22
82306 Vitamin d-3 level	71	62	$109.00	$38.79
90935 Hemodialysis procedure with physician evaluation	64	30	$197.00	$68.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	57	50	$238.00	$126.78
81001 Manual urinalysis test with examination using microscope, automated	50	36	$12.00	$4.26
86140 Measurement C-reactive protein for detection of infection or inflammation	49	33	$19.00	$6.96
80053 Blood test, comprehensive group of blood chemicals	44	39	$39.00	$13.20
81003 Automated urinalysis test	43	38	$8.50	$3.02
90966 Home dialysis services per month, patient 20 years of age or older	42	15	$630.00	$224.40
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	24	$183.00	$98.70
87086 Bacterial colony count, urine	35	25	$30.00	$10.85
82570 Creatinine level to test for kidney function or muscle injury	33	30	$19.00	$6.96
G0009 Administration of pneumococcal vaccine	31	31	$44.29	$23.27
83735 Magnesium level	29	25	$25.00	$9.01
99238 Hospital discharge day management, 30 minutes or less	27	22	$125.00	$66.80
99225 Subsequent observation care, typically 25 minutes per day	26	16	$115.00	$69.11
82043 Urine microalbumin (protein) level	26	25	$22.00	$7.77
82728 Ferritin (blood protein) level	24	22	$49.00	$18.33
G0103 Prostate cancer screening; prostate specific antigen test (psa)	23	23	$28.00	$24.73
83550 Iron binding capacity	23	19	$28.00	$10.12
83540 Iron level	23	19	$24.00	$8.70
99239 Hospital discharge day management, more than 30 minutes	22	17	$181.00	$101.61
90962 Dialysis services, 1 physician visit per month (20 years or older)	21	19	$488.00	$173.22
84439 Thyroxine (thyroid chemical), free	21	19	$28.00	$10.12
84550 Uric acid level, blood	18	13	$16.50	$4.23
99495 Transitional care management services for problem of at least moderate complexity	17	14	$282.00	$152.11
85018 Blood count, hemoglobin	16	14	$8.00	$2.86
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$96.81	$93.11
82947 Blood glucose (sugar) level	16	15	$14.00	$2.85
90670 Pneumococcal vaccine for injection into muscle	15	15	$192.80	$183.34
99217 Hospital observation care on day of discharge	15	15	$126.00	$68.63
84165 Protein measurement, serum	15	15	$53.00	$14.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$354.00	$191.33
82607 Cyanocobalamin (vitamin B-12) level	13	12	$56.00	$20.27
84155 Total protein level, blood	13	13	$13.50	$4.27
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$177.00	$95.08
84153 Psa (prostate specific antigen) measurement, total	11	11	$68.00	$24.73

Medical Specialties & State Licenses

CMS Verified: 2020-11-13

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License IA 21648

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0091389 (IA)

Hospital & Practice Group Affiliations

Mcfarland Clinic Pc

1015 Duff Ave, Ames, IA 500105733

Phone: 5152394400

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners

Dr. Rami Almokayyad , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1194929786

Doctor of Medicine (M.D.)

Dr. Lavanya Amuluru, Md , MD

Internal Medicine - Nephrology

NPI 1265588834

Doctor of Medicine (M.D.)

Dr. Aubrey Molgaard , DNP, APRN

Nurse Practitioner - Family

NPI 1427597806

Doctor of Nursing Practice, Advanced Practice Registered Nurse

Dr. David Gerbracht , MD

Internal Medicine - Rheumatology

NPI 1487642468

Doctor of Medicine (M.D.)

Dr. Jacob Alexander , MD

Internal Medicine - Nephrology

NPI 1558357376

Doctor of Medicine (M.D.)

Dr. Alejandra Londono Jimenez , MD

Internal Medicine - Rheumatology

NPI 1699161919

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active August 02, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location August 02, 2012

Registered at 1015 DUFF AVE, AMES, IA 500105733 (Tel: 5152394760)

📍

Updated Business Mailing Address August 02, 2012

Registered at 1015 DUFF AVE, AMES, IA 500105733 (Tel: 5152394760)

👤

Provider Name / Credentials Updated August 02, 2012

Recorded as STEVEN HALLBERG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 02, 2012

Internal Medicine (License #21648 in IA)

🟢

Initial NPI Registration & Enumeration October 19, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

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NPI Administrative Meta

NPI Number: 1720077035

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 19, 2005

Last Update: November 13, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1015 Duff Ave

Ames, IA 500105733

Phone: 5152394760

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.