Active NPI 1316103559 Individual Practitioner Female Practitioner

Dr. Rita Joanne Herzing , MD

Internal Medicine • Glen Ellyn, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Rita Herzing, MD is a certified Internal Medicine practicing in Glen Ellyn, IL. With approximately 20 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 2006, Dr. Herzing delivers high-quality medical care to the local community at 430 PENNSYLVANIA AVE STE 310.

Dr. Herzing is affiliated with Dupage Medical Group Ltd and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, blood test, comprehensive group of blood chemicals. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

430 Pennsylvania Ave Ste 310

Glen Ellyn, IL 601374464

Telephone 6307901792

Fax 6305457568

Associated Practice Facility / Clinic

🏢 Dupage Medical Group, Ltd. Facility NPI 1770721151

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Glen Ellyn, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

20 Yrs -1.4 yrs vs City Avg

City Avg: 21.4 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

18 Specialists

Practicing in Glen Ellyn, IL (7544 Statewide)

Telehealth Adoption Rate

66.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

63.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Herzing (20 Years) 20 Yrs

Glen Ellyn Specialty Average (21.4 Years) 21.4 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	844	427	$20.00	$8.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	696	370	$229.00	$131.07
80053 Blood test, comprehensive group of blood chemicals	537	376	$55.00	$10.33
80061 Blood test, lipids (cholesterol and triglycerides)	446	340	$69.00	$13.04
99213 Established patient office or other outpatient visit, typically 15 minutes	391	265	$157.00	$93.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	360	360	$229.00	$132.97
84443 Blood test, thyroid stimulating hormone (TSH)	222	156	$86.00	$16.33
83036 Hemoglobin A1C level	188	127	$50.00	$9.49
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	169	133	$40.00	$7.61
80048 Blood test, basic group of blood chemicals (calcium, total)	114	93	$44.00	$8.29
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	83	66	$33.00	$6.34
82570 Creatinine level to test for kidney function or muscle injury	73	64	$27.00	$5.08
82043 Urine microalbumin (protein) level	71	63	$30.00	$5.66
G0008 Administration of influenza virus vaccine	68	67	$55.00	$33.45
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	66	60	$35.00	$16.70
82306 Vitamin d-3 level	63	58	$152.00	$29.01
90653 Vaccine for influenza for injection into muscle	61	61	$251.00	$81.82
83550 Iron binding capacity	49	36	$45.00	$8.57
83540 Iron level	49	36	$33.00	$6.34
82728 Ferritin (blood protein) level	49	36	$70.00	$13.36
84153 Psa (prostate specific antigen) measurement, total	49	47	$94.00	$18.02
93000 Routine ekg using at least 12 leads including interpretation and report	39	39	$72.00	$14.82
82607 Cyanocobalamin (vitamin B-12) level	37	31	$77.00	$14.78
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	32	32	$851.00	$288.63
G0009 Administration of pneumococcal vaccine	32	32	$55.00	$33.45
82746 Folic acid level	30	28	$77.00	$14.41
85652 Red blood cell sedimentation rate, to detect inflammation, automated	30	26	$14.00	$2.65
99441 Telephone medical discussion with physician, 5-10 minutes	26	22	$179.00	$57.86
83735 Magnesium level	24	21	$34.00	$6.57
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	23	23	$340.52	$168.64
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	21	21	$39.00	$14.88
86140 Measurement C-reactive protein for detection of infection or inflammation	21	18	$27.00	$5.08
83525 Insulin measurement, total	20	20	$59.00	$11.20
99442 Telephone medical discussion with physician, 11-20 minutes	18	17	$179.00	$93.04
84460 Liver enzyme (sgpt), level	16	15	$28.00	$5.19
84550 Uric acid level, blood	14	12	$23.00	$4.43
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected	13	12	$267.00	$139.78
86038 Screening test for autoimmune disorder	12	12	$62.00	$11.85
81003 Automated urinalysis test	11	11	$12.00	$2.20
83880 Natriuretic peptide (heart and blood vessel protein) level	11	11	$146.00	$38.47
83690 Lipase (fat enzyme) level	11	11	$35.00	$6.75
82150 Amylase (enzyme) level	11	11	$33.00	$6.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	724	403	$20.00	$8.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	660	379	$229.00	$132.13
80053 Blood test, comprehensive group of blood chemicals	426	314	$55.00	$10.34
80061 Blood test, lipids (cholesterol and triglycerides)	382	298	$69.00	$13.12
99213 Established patient office or other outpatient visit, typically 15 minutes	313	230	$157.00	$93.32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	217	217	$229.00	$133.37
84443 Blood test, thyroid stimulating hormone (TSH)	188	140	$86.00	$16.44
83036 Hemoglobin A1C level	162	106	$50.00	$9.52
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	145	118	$33.00	$6.34
80048 Blood test, basic group of blood chemicals (calcium, total)	118	102	$44.00	$8.29
G0008 Administration of influenza virus vaccine	77	76	$55.00	$32.05
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	76	75	$103.00	$75.30
82570 Creatinine level to test for kidney function or muscle injury	60	58	$27.00	$5.08
82043 Urine microalbumin (protein) level	59	57	$30.00	$5.66
82306 Vitamin d-3 level	53	46	$152.00	$29.01
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	51	46	$40.00	$7.61
82607 Cyanocobalamin (vitamin B-12) level	44	40	$77.00	$14.78
82728 Ferritin (blood protein) level	42	35	$70.00	$13.36
93000 Routine ekg using at least 12 leads including interpretation and report	42	40	$72.00	$15.14
83550 Iron binding capacity	39	32	$45.00	$8.57
83735 Magnesium level	39	23	$34.00	$6.57
83540 Iron level	39	32	$33.00	$6.34
82746 Folic acid level	32	31	$77.00	$14.41
99441 Telephone medical discussion with physician, 5-10 minutes	31	30	$179.00	$58.14
99442 Telephone medical discussion with physician, 11-20 minutes	29	24	$179.00	$93.79
84153 Psa (prostate specific antigen) measurement, total	26	25	$94.00	$18.02
G0009 Administration of pneumococcal vaccine	25	25	$55.00	$32.05
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	25	25	$851.00	$281.34
86140 Measurement C-reactive protein for detection of infection or inflammation	14	14	$27.00	$5.08
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$352.00	$170.73
85652 Red blood cell sedimentation rate, to detect inflammation, automated	12	12	$14.00	$2.65
83970 Parathormone (parathyroid hormone) level	12	11	$212.00	$40.45
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$340.00	$171.07
G0103 Prostate cancer screening; prostate specific antigen test (psa)	11	11	$52.00	$18.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	720	394	$20.00	$2.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	572	342	$229.00	$134.43
80053 Blood test, comprehensive group of blood chemicals	378	293	$55.00	$10.43
99213 Established patient office or other outpatient visit, typically 15 minutes	345	226	$157.00	$95.89
80061 Blood test, lipids (cholesterol and triglycerides)	336	264	$69.00	$13.23
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	212	212	$229.00	$136.96
85610 Blood test, clotting time	198	59	$20.00	$4.23
84443 Blood test, thyroid stimulating hormone (TSH)	191	131	$86.00	$16.59
83036 Hemoglobin A1C level	158	101	$50.00	$9.54
80048 Blood test, basic group of blood chemicals (calcium, total)	139	117	$44.00	$8.35
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	105	87	$33.00	$6.38
82306 Vitamin d-3 level	104	93	$152.00	$29.21
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	72	65	$40.00	$7.67
G0008 Administration of influenza virus vaccine	70	69	$55.00	$31.11
82570 Creatinine level to test for kidney function or muscle injury	58	56	$27.00	$5.11
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	58	58	$103.00	$70.25
82043 Urine microalbumin (protein) level	57	56	$30.00	$5.70
G0009 Administration of pneumococcal vaccine	48	48	$55.00	$31.24
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	37	37	$851.00	$278.51
82728 Ferritin (blood protein) level	36	30	$70.00	$13.49
83540 Iron level	35	30	$33.00	$6.40
82607 Cyanocobalamin (vitamin B-12) level	32	29	$77.00	$14.89
93000 Routine ekg using at least 12 leads including interpretation and report	31	29	$72.00	$15.26
99442 Telephone medical discussion with physician, 11-20 minutes	30	24	$179.00	$95.51
82746 Folic acid level	28	25	$77.00	$14.51
83550 Iron binding capacity	26	23	$45.00	$8.62
99441 Telephone medical discussion with physician, 5-10 minutes	26	23	$179.00	$59.02
84460 Liver enzyme (sgpt), level	25	25	$28.00	$5.24
84153 Psa (prostate specific antigen) measurement, total	20	18	$94.00	$18.23
G0103 Prostate cancer screening; prostate specific antigen test (psa)	19	19	$52.00	$19.06
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	19	19	$352.00	$176.06
U0003 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	18	18	$300.00	$74.38
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	18	18	$43.00	$24.63
U0005 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within	18	18	$75.00	$24.79
83970 Parathormone (parathyroid hormone) level	17	16	$212.00	$40.84
85652 Red blood cell sedimentation rate, to detect inflammation, automated	16	16	$14.00	$2.67
83735 Magnesium level	15	14	$34.00	$6.63
86140 Measurement C-reactive protein for detection of infection or inflammation	14	13	$27.00	$5.12
81003 Automated urinalysis test	14	14	$12.00	$2.21
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$340.00	$175.33
85018 Blood count, hemoglobin	13	13	$12.00	$2.34
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	13	13	$139.00	$45.85
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$361.00	$133.23
84520 Urea nitrogen level to assess kidney function	11	11	$20.00	$3.91
82565 Blood creatinine level	11	11	$26.00	$5.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	720	407	$20.00	$2.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	550	332	$229.00	$139.09
99213 Established patient office or other outpatient visit, typically 15 minutes	409	279	$157.00	$97.95
80061 Blood test, lipids (cholesterol and triglycerides)	340	266	$69.00	$13.36
80053 Blood test, comprehensive group of blood chemicals	295	237	$55.00	$10.56
80048 Blood test, basic group of blood chemicals (calcium, total)	211	173	$44.00	$8.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	186	186	$229.00	$142.62
85610 Blood test, clotting time	180	67	$20.00	$4.29
84443 Blood test, thyroid stimulating hormone (TSH)	180	129	$86.00	$16.80
83036 Hemoglobin A1C level	150	107	$50.00	$9.71
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	113	92	$33.00	$6.47
G0008 Administration of influenza virus vaccine	92	91	$55.00	$17.98
90662 Influenza vaccine split virus, preservative free	85	84	$106.00	$65.16
82570 Creatinine level to test for kidney function or muscle injury	62	58	$27.00	$5.11
82043 Urine microalbumin (protein) level	61	57	$30.00	$5.70
82306 Vitamin d-3 level	56	52	$152.00	$29.20
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	51	49	$40.00	$7.77
84460 Liver enzyme (sgpt), level	47	42	$28.00	$5.21
93000 Routine ekg using at least 12 leads including interpretation and report	41	38	$72.00	$16.12
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	38	38	$352.00	$180.04
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	35	35	$361.00	$124.89
G0009 Administration of pneumococcal vaccine	35	35	$55.00	$17.94
99441 Telephone medical discussion with physician, 5-10 minutes	28	24	$69.75	$48.93
U0003 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	28	28	$300.00	$75.00
99442 Telephone medical discussion with physician, 11-20 minutes	27	23	$123.59	$94.63
G0103 Prostate cancer screening; prostate specific antigen test (psa)	25	25	$52.00	$19.31
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	25	25	$340.00	$180.42
84153 Psa (prostate specific antigen) measurement, total	24	21	$94.00	$18.39
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	22	21	$43.00	$24.52
82607 Cyanocobalamin (vitamin B-12) level	22	21	$77.00	$15.08
82728 Ferritin (blood protein) level	20	17	$70.00	$13.63
83540 Iron level	20	18	$33.00	$6.47
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	17	17	$139.00	$46.35
85018 Blood count, hemoglobin	14	12	$12.00	$2.37
85652 Red blood cell sedimentation rate, to detect inflammation, automated	11	11	$14.00	$2.70
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	11	11	$45.00	$18.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	544	326	$20.00	$2.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	395	258	$229.00	$116.78
99213 Established patient office or other outpatient visit, typically 15 minutes	273	204	$157.00	$80.30
80061 Blood test, lipids (cholesterol and triglycerides)	255	219	$69.00	$13.32
80053 Blood test, comprehensive group of blood chemicals	249	213	$55.00	$10.50
84443 Blood test, thyroid stimulating hormone (TSH)	150	108	$86.00	$16.71
80048 Blood test, basic group of blood chemicals (calcium, total)	143	120	$44.00	$8.42
85610 Blood test, clotting time	142	72	$20.00	$4.26
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	141	141	$229.00	$124.43
83036 Hemoglobin A1C level	129	92	$50.00	$9.66
G0008 Administration of influenza virus vaccine	102	101	$55.00	$17.72
90662 Influenza vaccine split virus, preservative free	96	95	$106.00	$60.54
G0009 Administration of pneumococcal vaccine	72	72	$55.00	$17.64
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	64	55	$40.00	$7.72
99441 Telephone medical discussion with physician, 5-10 minutes	49	44	$93.90	$48.31
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	48	45	$33.00	$6.44
82570 Creatinine level to test for kidney function or muscle injury	47	46	$27.00	$5.15
82043 Urine microalbumin (protein) level	46	45	$30.00	$5.75
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	45	45	$313.60	$118.22
82306 Vitamin d-3 level	39	31	$152.00	$29.39
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	30	30	$352.00	$183.10
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	29	29	$340.00	$177.82
U0003 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	29	27	$300.00	$100.00
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	28	27	$43.00	$24.98
90670 Pneumococcal vaccine for injection into muscle	27	27	$254.00	$221.90
93000 Routine ekg using at least 12 leads including interpretation and report	23	23	$72.00	$18.50
86769 Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody	22	22	$126.00	$42.13
99442 Telephone medical discussion with physician, 11-20 minutes	21	18	$191.00	$79.89
82607 Cyanocobalamin (vitamin B-12) level	21	20	$77.00	$14.94
83540 Iron level	19	17	$33.00	$6.44
82728 Ferritin (blood protein) level	17	15	$70.00	$13.57
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	17	17	$45.00	$17.94
84460 Liver enzyme (sgpt), level	16	16	$28.00	$5.27
84153 Psa (prostate specific antigen) measurement, total	16	14	$94.00	$18.27
85018 Blood count, hemoglobin	15	15	$12.00	$2.36
83550 Iron binding capacity	15	14	$45.00	$8.69
82746 Folic acid level	13	12	$77.00	$14.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	533	301	$20.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	350	223	$157.00	$78.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	349	215	$229.00	$115.45
85610 Blood test, clotting time	294	112	$20.00	$4.28
80053 Blood test, comprehensive group of blood chemicals	237	192	$55.00	$11.51
80061 Blood test, lipids (cholesterol and triglycerides)	236	201	$69.00	$14.58
84443 Blood test, thyroid stimulating hormone (TSH)	146	108	$86.00	$18.30
80048 Blood test, basic group of blood chemicals (calcium, total)	136	109	$44.00	$9.21
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	119	119	$229.00	$123.71
83036 Hemoglobin A1C level	118	86	$50.00	$10.57
G0008 Administration of influenza virus vaccine	104	103	$55.00	$17.39
90662 Influenza vaccine split virus, preservative free	95	94	$106.00	$54.81
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	85	71	$40.00	$8.46
G0009 Administration of pneumococcal vaccine	81	81	$55.00	$17.39
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	59	59	$124.00	$110.10
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	58	58	$352.00	$182.43
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	42	37	$33.00	$7.04
82043 Urine microalbumin (protein) level	33	32	$30.00	$6.29
82570 Creatinine level to test for kidney function or muscle injury	33	32	$27.00	$5.63
93000 Routine ekg using at least 12 leads including interpretation and report	25	24	$72.00	$18.29
82306 Vitamin d-3 level	25	22	$152.00	$32.23
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$340.00	$176.57
90670 Pneumococcal vaccine for injection into muscle	22	22	$254.00	$208.75
83540 Iron level	21	14	$33.00	$7.05
82728 Ferritin (blood protein) level	19	14	$70.00	$14.85
83550 Iron binding capacity	19	14	$45.00	$9.52
G0103 Prostate cancer screening; prostate specific antigen test (psa)	16	16	$52.00	$20.03
85652 Red blood cell sedimentation rate, to detect inflammation, automated	15	15	$14.00	$2.94
82607 Cyanocobalamin (vitamin B-12) level	14	12	$77.00	$16.41
84460 Liver enzyme (sgpt), level	13	12	$28.00	$5.77
82746 Folic acid level	13	11	$77.00	$16.01
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	11	11	$45.00	$17.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	537	290	$20.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	333	204	$229.00	$112.97
99213 Established patient office or other outpatient visit, typically 15 minutes	329	214	$157.00	$76.81
85610 Blood test, clotting time	323	117	$20.00	$4.75
80053 Blood test, comprehensive group of blood chemicals	252	203	$55.00	$12.78
80061 Blood test, lipids (cholesterol and triglycerides)	220	176	$69.00	$16.20
84443 Blood test, thyroid stimulating hormone (TSH)	148	111	$86.00	$20.33
80048 Blood test, basic group of blood chemicals (calcium, total)	138	111	$44.00	$10.23
83036 Hemoglobin A1C level	136	94	$50.00	$11.75
G0008 Administration of influenza virus vaccine	127	125	$55.00	$21.46
G0009 Administration of pneumococcal vaccine	108	108	$55.00	$21.46
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	97	85	$40.00	$9.40
90662 Influenza vaccine split virus, preservative free	89	87	$102.36	$52.01
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	86	86	$352.00	$180.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	61	61	$229.00	$122.44
90670 Pneumococcal vaccine for injection into muscle	55	55	$254.00	$197.90
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	53	53	$124.00	$105.59
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	34	34	$37.53	$17.48
93000 Routine ekg using at least 12 leads including interpretation and report	29	28	$72.00	$18.01
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	23	22	$33.00	$7.82
82306 Vitamin d-3 level	21	16	$152.00	$35.82
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$94.00	$46.51
83540 Iron level	16	13	$33.00	$7.83
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$307.00	$152.71
82728 Ferritin (blood protein) level	15	12	$70.00	$16.49
85018 Blood count, hemoglobin	15	15	$12.00	$2.87
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$340.00	$174.28
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	12	12	$45.00	$19.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	530	284	$20.00	$2.93
80053 Blood test, comprehensive group of blood chemicals	344	255	$55.00	$12.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	331	185	$229.00	$112.72
85610 Blood test, clotting time	244	120	$20.00	$5.28
80061 Blood test, lipids (cholesterol and triglycerides)	242	200	$69.00	$14.16
99213 Established patient office or other outpatient visit, typically 15 minutes	223	150	$157.00	$76.43
84443 Blood test, thyroid stimulating hormone (TSH)	163	117	$86.00	$22.59
83036 Hemoglobin A1C level	146	94	$50.00	$13.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	119	119	$229.00	$121.30
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	118	98	$40.00	$10.45
G0009 Administration of pneumococcal vaccine	100	100	$55.00	$26.65
G0008 Administration of influenza virus vaccine	93	91	$55.00	$26.65
80048 Blood test, basic group of blood chemicals (calcium, total)	69	54	$44.00	$10.94
90670 Pneumococcal vaccine for injection into muscle	64	64	$254.00	$186.66
90662 Influenza vaccine split virus, preservative free	51	51	$52.00	$48.05
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	41	40	$30.00	$17.48
82306 Vitamin d-3 level	40	32	$152.00	$39.80
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	36	36	$124.00	$96.63
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	25	25	$340.00	$172.80
82728 Ferritin (blood protein) level	19	19	$70.00	$18.33
83540 Iron level	18	18	$33.00	$8.70
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$72.00	$17.91
83550 Iron binding capacity	14	14	$45.00	$11.75
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$39.00	$18.17
85652 Red blood cell sedimentation rate, to detect inflammation, automated	11	11	$14.00	$3.63

Medical Specialties & State Licenses

CMS Verified: 2023-08-08

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036122493

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036122493 (IL)

Hospital & Practice Group Affiliations

Dupage Medical Group Ltd

1325 N Meacham Rd, Schaumburg, IL 601734824

Phone: 6304699200

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Dupage Medical Group Ltd

17495 La Grange Rd, Tinley Park, IL 604877581

Phone: 7082267000

Dupage Medical Group Ltd

30 Stratford Dr, Bloomingdale, IL 601082201

Phone: 6308932210

Dupage Medical Group Ltd

40 S Clay St, Hinsdale, IL 605213257

Dupage Medical Group Ltd

25 N Winfield Rd, Winfield, IL 601901222

Dupage Medical Group Ltd

330 Madison St, Joliet, IL 604356565

Phone: 8157252121

Dupage Medical Group Ltd

430 Warrenville Rd, Lisle, IL 605321348

Phone: 6304326180

Dupage Medical Group Ltd

2100 Glenwood Ave, Joliet, IL 604355487

Phone: 8157252121

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Thomas Marshall , MD

Internal Medicine

NPI 1043202054

Doctor of Medicine (M.D.)

Dr. Leena Patel , MD

Internal Medicine

NPI 1114242302

Doctor of Medicine (M.D.)

Dr. Magdalena Hope , MD

Internal Medicine

NPI 1114246782

Doctor of Medicine (M.D.)

Dr. Christina Huynh , MD

Internal Medicine

NPI 1144584988

Doctor of Medicine (M.D.)

Dr. Ashruta Patel , MD

Internal Medicine

NPI 1164451696

Doctor of Medicine (M.D.)

Dr. Norman Decker , MD

Internal Medicine

NPI 1336534650

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 08, 2023

Registered at 430 PENNSYLVANIA AVE STE 310, GLEN ELLYN, IL 601374464 (Tel: 6307901792)

📍

Updated Practice Location April 02, 2018

Registered at 150 E WILLOW AVE STE 200, WHEATON, IL 601875476 (Tel: 6306656200)

✅

NPI Profile Active January 25, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location January 25, 2011

Registered at 1800 N MAIN ST, WHEATON, IL 601873112 (Tel: 6306656200)

📍

Updated Business Mailing Address January 25, 2011

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740018

👤

Provider Name / Credentials Updated January 25, 2011

Recorded as RITA HERZING, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 25, 2011

Internal Medicine (License #036122493 in IL)

🟢

Initial NPI Registration & Enumeration August 06, 2008

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: 1316103559

Entity Type:

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

Enumeration Date: August 06, 2008

Last Update: August 08, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1860 Paysphere Cir

Chicago, IL 606740018

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.