Active NPI 1982622387 Individual Practitioner Male Practitioner

Dr. Steven C Harnack , MD

Internal Medicine • Aurora, IL

Professional Overview & Biography Verified Profile Summary

Dr. Steven Harnack, MD is a certified Internal Medicine practicing in Aurora, IL. With approximately 36 years of clinical experience since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 1990, Dr. Harnack delivers high-quality medical care to the local community at 2285 SEQUOIA DR.

Dr. Harnack does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include blood test, clotting time, anticoagulant management of patient taking warfarin, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2285 Sequoia Dr

Aurora, IL 605066209

Telephone 6308596700

Associated Practice Facility / Clinic

🏢 Dreyer Clinic, Inc. Facility NPI 1184718355

Medicare Profile & Education

Medical School

University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)

Graduation Year

1990

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Aurora, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +8.4 yrs vs City Avg

City Avg: 27.6 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

45 Specialists

Practicing in Aurora, IL (7544 Statewide)

Telehealth Adoption Rate

28.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

48.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Harnack (36 Years) 36 Yrs

Aurora Specialty Average (27.6 Years) 27.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
85610 Blood test, clotting time	40	37	$34.00	$4.29
93793 Anticoagulant management of patient taking warfarin	33	30	$26.00	$11.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$235.00	$135.93

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	779	420	$224.00	$137.67
85610 Blood test, clotting time	334	114	$34.00	$4.29
93793 Anticoagulant management of patient taking warfarin	324	110	$26.00	$12.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	88	75	$316.00	$192.31
99213 Established patient office or other outpatient visit, typically 15 minutes	84	76	$153.00	$95.36
G0008 Administration of influenza virus vaccine	74	74	$41.00	$17.98
90662 Influenza vaccine split virus, preservative free	65	65	$73.00	$64.26
93000 Routine ekg using at least 12 leads including interpretation and report	55	51	$82.00	$15.91
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	37	12	$61.00	$15.02
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	22	21	$168.00	$56.16
G0009 Administration of pneumococcal vaccine	19	18	$41.00	$17.87
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$159.00	$123.12
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$37.00	$20.45

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	644	392	$211.65	$114.65
85610 Blood test, clotting time	303	131	$34.00	$4.22
93793 Anticoagulant management of patient taking warfarin	293	126	$26.00	$12.29
99442 Telephone medical discussion with physician, 11-20 minutes	143	132	$102.00	$77.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	96	96	$316.00	$121.68
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	77	77	$36.92	$18.78
G0008 Administration of influenza virus vaccine	74	74	$41.00	$17.50
99213 Established patient office or other outpatient visit, typically 15 minutes	59	58	$144.14	$79.04
93000 Routine ekg using at least 12 leads including interpretation and report	37	33	$82.00	$18.30
G0009 Administration of pneumococcal vaccine	32	32	$41.00	$17.70
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	31	31	$155.71	$111.41
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	26	24	$168.00	$56.45
99441 Telephone medical discussion with physician, 5-10 minutes	23	22	$63.00	$48.64
99443 Telephone medical discussion with physician, 21-30 minutes	17	16	$146.00	$115.31

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	814	453	$203.00	$114.08
85610 Blood test, clotting time	335	165	$34.00	$4.27
93793 Anticoagulant management of patient taking warfarin	298	148	$26.00	$12.67
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	184	184	$316.18	$122.16
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	77	77	$35.00	$18.41
G0008 Administration of influenza virus vaccine	76	76	$41.00	$17.39
99213 Established patient office or other outpatient visit, typically 15 minutes	72	68	$136.00	$78.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	57	54	$291.00	$154.17
93000 Routine ekg using at least 12 leads including interpretation and report	36	33	$82.00	$18.13
G0009 Administration of pneumococcal vaccine	32	32	$41.00	$17.39
G0103 Prostate cancer screening; prostate specific antigen test (psa)	23	23	$98.00	$18.29
90670 Pneumococcal vaccine for injection into muscle	19	19	$318.00	$208.39
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	18	15	$168.00	$56.37
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$349.00	$175.32
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$150.85	$111.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	641	359	$22.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	604	388	$198.36	$112.33
85610 Blood test, clotting time	505	207	$34.00	$4.75
80053 Blood test, comprehensive group of blood chemicals	465	320	$75.55	$12.71
93793 Anticoagulant management of patient taking warfarin	434	238	$26.00	$12.60
80061 Blood test, lipids (cholesterol and triglycerides)	361	278	$96.00	$16.13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	260	224	$45.96	$9.37
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	258	258	$316.00	$119.85
83036 Hemoglobin A1C level	164	116	$64.07	$11.63
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	147	115	$284.81	$152.58
99213 Established patient office or other outpatient visit, typically 15 minutes	123	113	$131.61	$76.82
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	86	75	$47.97	$21.87
84443 Blood test, thyroid stimulating hormone (TSH)	79	67	$108.00	$20.33
81001 Manual urinalysis test with examination using microscope, automated	73	69	$27.00	$3.80
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	64	64	$35.00	$18.65
G0008 Administration of influenza virus vaccine	63	63	$42.94	$21.46
80048 Blood test, basic group of blood chemicals (calcium, total)	49	47	$58.80	$10.23
83721 Ldl cholesterol level	37	28	$54.14	$11.54
81003 Automated urinalysis test	34	34	$20.03	$2.71
G0103 Prostate cancer screening; prostate specific antigen test (psa)	32	32	$103.03	$22.26
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	32	12	$58.94	$21.58
93000 Routine ekg using at least 12 leads including interpretation and report	29	29	$73.03	$18.01
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	28	21	$156.86	$56.56
82043 Urine microalbumin (protein) level	26	26	$66.31	$7.00
82570 Creatinine level to test for kidney function or muscle injury	26	26	$46.00	$6.26
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	18	15	$44.00	$7.82
87086 Bacterial colony count, urine	18	17	$53.67	$9.76
85007 Microscopic examination for white blood cells with manual cell count	18	15	$37.67	$4.16
87088 Bacterial urine culture	17	16	$53.71	$9.79
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	17	16	$53.24	$10.46
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$474.00	$180.04
G0009 Administration of pneumococcal vaccine	15	15	$38.20	$21.46
90670 Pneumococcal vaccine for injection into muscle	13	13	$276.85	$198.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$92.00	$43.17
82607 Cyanocobalamin (vitamin B-12) level	12	11	$115.00	$18.24

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	726	397	$193.00	$112.22
36415 Insertion of needle into vein for collection of blood sample	674	360	$22.00	$2.94
80053 Blood test, comprehensive group of blood chemicals	550	352	$75.00	$11.55
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	482	240	$48.00	$21.10
80061 Blood test, lipids (cholesterol and triglycerides)	465	316	$96.00	$14.16
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	269	236	$45.00	$10.45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	252	252	$316.00	$120.82
83036 Hemoglobin A1C level	175	108	$64.00	$12.91
99213 Established patient office or other outpatient visit, typically 15 minutes	125	110	$124.00	$76.13
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	95	85	$277.00	$151.78
G0008 Administration of influenza virus vaccine	90	89	$31.00	$26.65
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	89	89	$35.00	$18.65
81001 Manual urinalysis test with examination using microscope, automated	83	78	$27.00	$4.22
84443 Blood test, thyroid stimulating hormone (TSH)	78	63	$108.00	$22.59
85610 Blood test, clotting time	66	23	$34.00	$5.28
81003 Automated urinalysis test	59	57	$20.00	$3.02
80048 Blood test, basic group of blood chemicals (calcium, total)	50	48	$58.00	$11.16
G0009 Administration of pneumococcal vaccine	48	48	$31.00	$26.65
82570 Creatinine level to test for kidney function or muscle injury	47	42	$46.00	$6.84
82043 Urine microalbumin (protein) level	47	42	$58.00	$7.63
90670 Pneumococcal vaccine for injection into muscle	45	45	$211.00	$186.77
G0103 Prostate cancer screening; prostate specific antigen test (psa)	41	41	$105.00	$24.73
83721 Ldl cholesterol level	40	31	$53.00	$12.83
87086 Bacterial colony count, urine	34	31	$53.00	$10.85
93000 Routine ekg using at least 12 leads including interpretation and report	33	32	$69.00	$18.02
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	29	24	$156.00	$56.55
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	18	16	$43.00	$8.69
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$474.00	$178.71
85007 Microscopic examination for white blood cells with manual cell count	18	16	$29.00	$4.62
87088 Bacterial urine culture	17	12	$53.00	$10.88
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	17	12	$53.00	$11.62
82607 Cyanocobalamin (vitamin B-12) level	13	12	$115.00	$20.27

Medical Specialties & State Licenses

CMS Verified: 2021-11-23

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-078536

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

036078536 (IL)

Practice Associates & Co-Workers

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

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Doctor of Medicine (M.D.)

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Family Medicine

NPI 1063510659

Doctor of Medicine (M.D.)

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Family Medicine

NPI 1083897888

Doctor of Medicine (M.D.)

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Psychiatry & Neurology - Psychiatry

NPI 1083979124

Doctor of Medicine (M.D.)

Donna Cole , LCSW, LISW

Social Worker - Clinical

NPI 1114215480

Licensed Clinical Social Worker, Licensed Independent Social Worker

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 14, 2016

Registered at 2285 SEQUOIA DR, AURORA, IL 605066209 (Tel: 6308596700)

📍

Updated Business Mailing Address July 14, 2016

Registered at 2357 SEQUOIA DR, AURORA, IL 605066222 (Tel: 6308596800)

👤

Provider Name / Credentials Updated July 14, 2016

Recorded as STEVEN HARNACK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2016

Internal Medicine (License #036-078536 in IL)

🟢

Initial NPI Registration & Enumeration July 17, 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: 1982622387

Entity Type:

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

Enumeration Date: July 17, 2006

Last Update: November 23, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2357 Sequoia Dr

Aurora, IL 605066222

Phone: 6308596800

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.