Active NPI 1467427641 Individual Practitioner Male Practitioner

Dr. Thomas Gallagher , MD

Internal Medicine • Hinsdale, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Gallagher, MD is a certified Internal Medicine practicing in Hinsdale, IL. With approximately 37 years of clinical experience since graduating from University Of Chicago, Pritzker School Of Medicine in 1989, Dr. Gallagher delivers high-quality medical care to the local community at 40 S CLAY ST STE 210E.

Dr. Gallagher maintains professional affiliations with Select Outpatient Services Inc, Dupage Medical Group Ltd, Select Rehabilitation, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, 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

40 S Clay St Ste 210e

Hinsdale, IL 605213287

Telephone 6303233540

Fax 6303239079

Associated Practice Facility / Clinic

🏢 Dupage Medical Group Ltd Facility NPI 1801833983

Medicare Profile & Education

Medical School

University Of Chicago, Pritzker School Of Medicine

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Hinsdale, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +11.6 yrs vs City Avg

City Avg: 25.4 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

37 Specialists

Practicing in Hinsdale, IL (7544 Statewide)

Telehealth Adoption Rate

37.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gallagher (37 Years) 37 Yrs

Hinsdale Specialty Average (25.4 Years) 25.4 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	352	218	$229.00	$131.34
36415 Insertion of needle into vein for collection of blood sample	350	229	$20.00	$8.65
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	278	185	$35.00	$16.72
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	199	179	$40.00	$7.61
84443 Blood test, thyroid stimulating hormone (TSH)	183	170	$86.00	$16.46
80053 Blood test, comprehensive group of blood chemicals	172	160	$55.00	$10.35
80061 Blood test, lipids (cholesterol and triglycerides)	168	157	$69.00	$13.12
83036 Hemoglobin A1C level	168	139	$50.00	$9.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	118	118	$229.00	$133.17
99213 Established patient office or other outpatient visit, typically 15 minutes	72	62	$157.00	$93.71
85610 Blood test, clotting time	71	25	$20.00	$4.20
G0008 Administration of influenza virus vaccine	67	67	$55.00	$33.45
90653 Vaccine for influenza for injection into muscle	66	66	$251.00	$81.82
G0103 Prostate cancer screening; prostate specific antigen test (psa)	61	61	$52.00	$18.92
80048 Blood test, basic group of blood chemicals (calcium, total)	56	46	$44.00	$8.29
82570 Creatinine level to test for kidney function or muscle injury	46	43	$27.00	$5.08
82043 Urine microalbumin (protein) level	46	43	$30.00	$5.66
82306 Vitamin d-3 level	41	38	$152.00	$29.01
82607 Cyanocobalamin (vitamin B-12) level	27	26	$77.00	$14.78
93000 Routine ekg using at least 12 leads including interpretation and report	26	26	$72.00	$14.87
84439 Thyroxine (thyroid chemical), free	21	20	$46.00	$8.84
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	15	12	$114.00	$55.02
83550 Iron binding capacity	13	11	$45.00	$8.57
82728 Ferritin (blood protein) level	13	11	$70.00	$13.36
80076 Liver function blood test panel	13	12	$42.00	$8.01
83540 Iron level	13	11	$33.00	$6.34
84153 Psa (prostate specific antigen) measurement, total	12	12	$94.00	$18.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	224	137	$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	157	93	$229.00	$132.62
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	148	120	$40.00	$7.61
80053 Blood test, comprehensive group of blood chemicals	134	112	$55.00	$10.35
84443 Blood test, thyroid stimulating hormone (TSH)	105	104	$86.00	$16.46
80061 Blood test, lipids (cholesterol and triglycerides)	105	102	$69.00	$13.12
83036 Hemoglobin A1C level	80	68	$50.00	$9.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	72	72	$229.00	$133.37
85610 Blood test, clotting time	72	37	$20.00	$4.20
G0103 Prostate cancer screening; prostate specific antigen test (psa)	42	42	$52.00	$18.92
99213 Established patient office or other outpatient visit, typically 15 minutes	41	37	$157.00	$93.96
G0008 Administration of influenza virus vaccine	39	39	$55.00	$32.05
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	37	37	$103.00	$75.66
80048 Blood test, basic group of blood chemicals (calcium, total)	23	18	$44.00	$8.29
82306 Vitamin d-3 level	23	22	$152.00	$29.01
82043 Urine microalbumin (protein) level	22	22	$30.00	$5.66
82570 Creatinine level to test for kidney function or muscle injury	22	22	$27.00	$5.08
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	16	16	$851.00	$280.77
G0009 Administration of pneumococcal vaccine	16	16	$55.00	$32.05
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$340.00	$171.07
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$72.00	$15.21
82607 Cyanocobalamin (vitamin B-12) level	13	13	$77.00	$14.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	152	101	$20.00	$2.96
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	95	82	$40.00	$7.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	55	$229.00	$134.52
80053 Blood test, comprehensive group of blood chemicals	82	76	$55.00	$10.40
84443 Blood test, thyroid stimulating hormone (TSH)	81	78	$86.00	$16.54
80061 Blood test, lipids (cholesterol and triglycerides)	75	71	$69.00	$13.19
83036 Hemoglobin A1C level	62	48	$50.00	$9.58
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	46	46	$229.00	$136.67
99213 Established patient office or other outpatient visit, typically 15 minutes	43	41	$157.00	$95.58
G0103 Prostate cancer screening; prostate specific antigen test (psa)	26	26	$52.00	$19.01
G0008 Administration of influenza virus vaccine	23	23	$55.00	$31.10
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	22	22	$103.00	$70.25
99442 Telephone medical discussion with physician, 11-20 minutes	17	16	$179.00	$95.21
82570 Creatinine level to test for kidney function or muscle injury	16	15	$27.00	$5.10
82043 Urine microalbumin (protein) level	16	15	$30.00	$5.69
80048 Blood test, basic group of blood chemicals (calcium, total)	15	12	$44.00	$8.37
82306 Vitamin d-3 level	13	12	$152.00	$29.24
93000 Routine ekg using at least 12 leads including interpretation and report	13	12	$72.00	$15.22
84153 Psa (prostate specific antigen) measurement, total	12	11	$94.00	$18.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	302	201	$20.00	$3.00
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	179	154	$40.00	$7.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	172	125	$229.00	$139.17
84443 Blood test, thyroid stimulating hormone (TSH)	145	139	$86.00	$16.80
80053 Blood test, comprehensive group of blood chemicals	145	140	$55.00	$10.56
80061 Blood test, lipids (cholesterol and triglycerides)	140	139	$69.00	$13.39
83036 Hemoglobin A1C level	118	100	$50.00	$9.71
85610 Blood test, clotting time	72	13	$20.00	$4.29
99213 Established patient office or other outpatient visit, typically 15 minutes	53	45	$157.00	$98.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	51	51	$229.00	$142.62
G0008 Administration of influenza virus vaccine	31	31	$55.00	$17.97
82306 Vitamin d-3 level	31	29	$152.00	$29.60
90662 Influenza vaccine split virus, preservative free	30	30	$106.00	$65.12
G0103 Prostate cancer screening; prostate specific antigen test (psa)	29	29	$52.00	$19.31
82043 Urine microalbumin (protein) level	28	28	$30.00	$5.78
82570 Creatinine level to test for kidney function or muscle injury	28	28	$27.00	$5.18
80048 Blood test, basic group of blood chemicals (calcium, total)	27	26	$44.00	$8.46
82607 Cyanocobalamin (vitamin B-12) level	26	25	$77.00	$15.08
84439 Thyroxine (thyroid chemical), free	21	21	$46.00	$9.02
82728 Ferritin (blood protein) level	20	18	$70.00	$13.63
83550 Iron binding capacity	19	18	$45.00	$8.74
83540 Iron level	19	18	$33.00	$6.47
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	17	13	$300.00	$75.00
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	13	$43.00	$24.50
84153 Psa (prostate specific antigen) measurement, total	17	17	$94.00	$18.39
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$72.00	$16.07
99442 Telephone medical discussion with physician, 11-20 minutes	11	11	$107.00	$91.53
G0009 Administration of pneumococcal vaccine	11	11	$55.00	$17.94
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$340.00	$180.42
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$352.00	$180.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,098	633	$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	757	404	$229.00	$116.70
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	643	553	$40.00	$7.72
84443 Blood test, thyroid stimulating hormone (TSH)	579	535	$86.00	$16.72
80053 Blood test, comprehensive group of blood chemicals	555	522	$55.00	$10.50
80061 Blood test, lipids (cholesterol and triglycerides)	533	512	$69.00	$13.31
83036 Hemoglobin A1C level	498	309	$50.00	$9.64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	315	315	$229.00	$124.43
99213 Established patient office or other outpatient visit, typically 15 minutes	275	189	$157.00	$80.26
G0008 Administration of influenza virus vaccine	178	175	$55.00	$17.73
90662 Influenza vaccine split virus, preservative free	170	168	$106.00	$60.59
80048 Blood test, basic group of blood chemicals (calcium, total)	153	117	$44.00	$8.40
85610 Blood test, clotting time	136	27	$20.00	$4.24
82306 Vitamin d-3 level	117	109	$152.00	$29.46
82043 Urine microalbumin (protein) level	94	92	$30.00	$5.75
82570 Creatinine level to test for kidney function or muscle injury	93	91	$27.00	$5.16
G0103 Prostate cancer screening; prostate specific antigen test (psa)	90	90	$52.00	$19.25
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	63	63	$352.00	$183.13
G0009 Administration of pneumococcal vaccine	61	61	$55.00	$17.64
93000 Routine ekg using at least 12 leads including interpretation and report	57	54	$72.00	$18.26
84153 Psa (prostate specific antigen) measurement, total	51	46	$94.00	$18.31
99442 Telephone medical discussion with physician, 11-20 minutes	45	40	$171.71	$81.01
86769 Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody	39	38	$126.00	$42.13
82607 Cyanocobalamin (vitamin B-12) level	38	34	$77.00	$15.00
84439 Thyroxine (thyroid chemical), free	38	36	$46.00	$8.98
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	38	38	$317.34	$118.45
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	37	14	$62.00	$15.25
82728 Ferritin (blood protein) level	31	22	$70.00	$13.54
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	30	28	$43.00	$24.98
83550 Iron binding capacity	27	19	$45.00	$8.69
83540 Iron level	27	19	$33.00	$6.43
80076 Liver function blood test panel	26	25	$42.00	$8.12
84132 Blood potassium level	25	20	$25.00	$4.74
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	$178.19
69210 Removal of impacted ear wax	24	24	$116.00	$52.90
84550 Uric acid level, blood	24	22	$23.00	$4.33
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	23	22	$300.00	$100.00
83735 Magnesium level	23	17	$34.00	$6.66
90670 Pneumococcal vaccine for injection into muscle	23	23	$254.00	$221.99
99441 Telephone medical discussion with physician, 5-10 minutes	21	19	$99.48	$48.47
85652 Red blood cell sedimentation rate, to detect inflammation, automated	19	19	$14.00	$2.69
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	17	17	$114.00	$57.06
86140 Measurement C-reactive protein for detection of infection or inflammation	17	17	$27.00	$5.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,165	617	$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	818	441	$229.00	$115.44
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	656	535	$40.00	$8.46
84443 Blood test, thyroid stimulating hormone (TSH)	576	523	$86.00	$18.30
80053 Blood test, comprehensive group of blood chemicals	538	501	$55.00	$11.51
80061 Blood test, lipids (cholesterol and triglycerides)	513	482	$69.00	$14.58
83036 Hemoglobin A1C level	495	296	$50.00	$10.57
99213 Established patient office or other outpatient visit, typically 15 minutes	432	289	$157.00	$78.97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	305	305	$229.00	$123.71
G0008 Administration of influenza virus vaccine	271	271	$55.00	$17.39
90662 Influenza vaccine split virus, preservative free	263	263	$106.00	$54.83
80048 Blood test, basic group of blood chemicals (calcium, total)	178	127	$44.00	$9.21
85610 Blood test, clotting time	134	22	$20.00	$4.28
82306 Vitamin d-3 level	86	73	$152.00	$32.23
82043 Urine microalbumin (protein) level	80	80	$30.00	$6.29
82570 Creatinine level to test for kidney function or muscle injury	80	80	$27.00	$5.63
G0103 Prostate cancer screening; prostate specific antigen test (psa)	75	75	$52.00	$20.03
83540 Iron level	64	42	$33.00	$7.05
82728 Ferritin (blood protein) level	64	42	$70.00	$14.85
83550 Iron binding capacity	64	42	$45.00	$9.52
93000 Routine ekg using at least 12 leads including interpretation and report	62	60	$72.00	$18.29
G0009 Administration of pneumococcal vaccine	61	61	$55.00	$17.39
82607 Cyanocobalamin (vitamin B-12) level	57	54	$77.00	$16.41
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	51	16	$62.00	$17.72
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	37	37	$352.00	$182.43
84132 Blood potassium level	35	27	$25.00	$5.01
84153 Psa (prostate specific antigen) measurement, total	32	31	$94.00	$20.03
90670 Pneumococcal vaccine for injection into muscle	32	32	$254.00	$208.20
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	29	29	$124.00	$110.84
84439 Thyroxine (thyroid chemical), free	28	26	$46.00	$9.82
83735 Magnesium level	26	16	$34.00	$7.29
80076 Liver function blood test panel	24	22	$42.00	$8.90
84550 Uric acid level, blood	22	19	$23.00	$4.72
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$340.00	$176.57
69210 Removal of impacted ear wax	21	21	$116.00	$51.12
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	16	16	$114.00	$56.69
86140 Measurement C-reactive protein for detection of infection or inflammation	15	15	$27.00	$5.63
85652 Red blood cell sedimentation rate, to detect inflammation, automated	14	14	$14.00	$2.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$359.00	$175.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,162	635	$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	890	456	$229.00	$112.99
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	659	550	$40.00	$9.40
84443 Blood test, thyroid stimulating hormone (TSH)	582	538	$86.00	$20.30
80053 Blood test, comprehensive group of blood chemicals	554	519	$55.00	$12.76
80061 Blood test, lipids (cholesterol and triglycerides)	538	511	$69.00	$16.17
83036 Hemoglobin A1C level	492	296	$50.00	$11.71
99213 Established patient office or other outpatient visit, typically 15 minutes	397	276	$157.00	$76.80
G0008 Administration of influenza virus vaccine	269	264	$55.00	$21.46
90662 Influenza vaccine split virus, preservative free	264	259	$102.73	$52.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	244	244	$229.00	$122.44
85610 Blood test, clotting time	177	51	$20.00	$4.75
80048 Blood test, basic group of blood chemicals (calcium, total)	152	131	$44.00	$10.17
82306 Vitamin d-3 level	86	76	$152.00	$35.82
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	79	79	$352.00	$180.04
G0009 Administration of pneumococcal vaccine	77	77	$55.00	$21.46
G0103 Prostate cancer screening; prostate specific antigen test (psa)	70	70	$52.00	$22.26
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	67	26	$62.00	$21.56
93000 Routine ekg using at least 12 leads including interpretation and report	66	63	$72.00	$18.01
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	54	15	$5.00	$1.95
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	42	42	$124.00	$105.59
82728 Ferritin (blood protein) level	41	29	$70.00	$16.49
83540 Iron level	40	28	$33.00	$7.83
83550 Iron binding capacity	40	28	$45.00	$10.57
90670 Pneumococcal vaccine for injection into muscle	36	36	$254.00	$196.26
84132 Blood potassium level	36	27	$25.00	$5.57
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	36	32	$114.00	$56.56
84153 Psa (prostate specific antigen) measurement, total	34	34	$94.00	$22.26
80076 Liver function blood test panel	33	32	$42.00	$9.89
69210 Removal of impacted ear wax	32	32	$116.00	$51.94
84550 Uric acid level, blood	24	16	$23.00	$5.47
82565 Blood creatinine level	23	23	$26.00	$6.20
83735 Magnesium level	19	13	$34.00	$8.10
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	18	18	$340.00	$174.28
84520 Urea nitrogen level to assess kidney function	16	16	$20.00	$4.78
85652 Red blood cell sedimentation rate, to detect inflammation, automated	16	14	$14.00	$3.26
84439 Thyroxine (thyroid chemical), free	14	13	$46.00	$10.91
86140 Measurement C-reactive protein for detection of infection or inflammation	14	13	$27.00	$6.26
82607 Cyanocobalamin (vitamin B-12) level	14	14	$77.00	$18.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$359.00	$173.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,245	664	$20.00	$2.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	999	498	$229.00	$112.31
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	635	537	$40.00	$10.44
80053 Blood test, comprehensive group of blood chemicals	543	519	$55.00	$11.82
84443 Blood test, thyroid stimulating hormone (TSH)	542	517	$86.00	$22.55
83036 Hemoglobin A1C level	526	303	$50.00	$12.96
80061 Blood test, lipids (cholesterol and triglycerides)	491	469	$69.00	$14.29
99213 Established patient office or other outpatient visit, typically 15 minutes	360	254	$157.00	$75.63
G0008 Administration of influenza virus vaccine	309	300	$55.00	$26.65
90662 Influenza vaccine split virus, preservative free	299	290	$52.00	$47.62
85610 Blood test, clotting time	227	39	$20.00	$5.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	209	209	$229.00	$121.30
80048 Blood test, basic group of blood chemicals (calcium, total)	175	134	$44.00	$11.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	115	40	$151.00	$75.58
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	92	18	$62.00	$26.83
G0009 Administration of pneumococcal vaccine	89	89	$55.00	$26.65
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	84	11	$5.00	$2.92
82306 Vitamin d-3 level	79	73	$152.00	$39.80
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	69	69	$352.00	$176.55
93000 Routine ekg using at least 12 leads including interpretation and report	64	61	$72.00	$18.06
G0103 Prostate cancer screening; prostate specific antigen test (psa)	51	51	$52.00	$24.73
83550 Iron binding capacity	49	35	$45.00	$11.75
83540 Iron level	49	35	$33.00	$8.70
90670 Pneumococcal vaccine for injection into muscle	48	48	$254.00	$185.95
82728 Ferritin (blood protein) level	46	32	$70.00	$18.33
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	44	38	$114.00	$56.55
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	41	41	$124.00	$95.81
84132 Blood potassium level	37	32	$25.00	$5.96
83735 Magnesium level	34	26	$34.00	$9.01
99238 Hospital discharge day management, 30 minutes or less	33	29	$155.00	$75.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	30	$295.00	$144.18
84153 Psa (prostate specific antigen) measurement, total	31	31	$94.00	$24.73
80076 Liver function blood test panel	30	29	$42.00	$8.92
84550 Uric acid level, blood	30	26	$23.00	$4.95
84439 Thyroxine (thyroid chemical), free	27	27	$46.00	$12.12
82565 Blood creatinine level	24	23	$26.00	$4.82
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$340.00	$173.52
85652 Red blood cell sedimentation rate, to detect inflammation, automated	19	19	$14.00	$3.63
69210 Removal of impacted ear wax	17	17	$116.00	$52.59
84520 Urea nitrogen level to assess kidney function	16	15	$20.00	$2.91
86140 Measurement C-reactive protein for detection of infection or inflammation	14	14	$27.00	$6.96

Medical Specialties & State Licenses

CMS Verified: 2023-08-08

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036082741

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

036082741 (IL)

Hospital & Practice Group Affiliations

Select Outpatient Services Inc

2600 Compass Rd, Glenview, IL 600268001

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

2100 Glenwood Ave, Joliet, IL 604355487

Phone: 8157252121

Select Rehabilitation, Llc

2600 Compass Rd, Glenview, IL 600268001

Dupage Medical Group Ltd

17495 La Grange Rd, Tinley Park, IL 604877581

Phone: 7082267000

Dupage Medical Group Ltd

430 Warrenville Rd, Lisle, IL 605321348

Phone: 6304326180

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Practice Associates & Co-Workers

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

18 Associated Practitioners

Dr. Elias Koliopoulos , MD

Internal Medicine

NPI 1003074519

Doctor of Medicine (M.D.)

Karla Anderson , APN

Nurse Practitioner - Family

NPI 1053749135

Advanced Practice Nurse

Dr. John Nighswander , MD

Internal Medicine

NPI 1124095583

Doctor of Medicine (M.D.)

Dr. Grant Sievertsen , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1134197619

Doctor of Medicine (M.D.)

Dr. Jason Griffin , MD

Internal Medicine

NPI 1275551582

Doctor of Medicine (M.D.)

Dr. Tingting Zhou , MD

Internal Medicine

NPI 1336527654

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 Business Mailing Address August 08, 2023

Registered at PO BOX 713260, CHICAGO, IL 606771260 (Tel: 6304699200)

📍

Updated Practice Location June 24, 2022

Registered at 40 S CLAY ST STE 210E, HINSDALE, IL 605213287 (Tel: 6303233540)

✅

NPI Profile Active January 20, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location January 20, 2011

Registered at 908 N ELM ST, STE 301, HINSDALE, IL 605213635 (Tel: 6303233540)

📍

Updated Business Mailing Address January 20, 2011

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740018 (Tel: 6304699200)

👤

Provider Name / Credentials Updated January 20, 2011

Recorded as THOMAS GALLAGHER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 20, 2011

Internal Medicine (License #036082741 in IL)

🟢

Initial NPI Registration & Enumeration February 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1467427641

Entity Type:

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

Enumeration Date: February 21, 2006

Last Update: August 08, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 713260

Chicago, IL 606771260

Phone: 6304699200

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.