Active NPI 1376576793 Individual Practitioner Male Practitioner

Dr. Roman Dreyer , MD

Internal Medicine • Aurora, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Roman Dreyer, MD is a certified Internal Medicine practicing in Aurora, IL. With approximately 32 years of clinical experience since graduating from R Franklin University Of Med & Sci/Chicago Medical School in 1994, Dr. Dreyer delivers high-quality medical care to the local community at 4100 HEALTHWAY DR.

Dr. Dreyer is affiliated with Advocate Health And Hospitals Corporation 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, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4100 Healthway Dr

Aurora, IL 605044163

Telephone 6308513105

Associated Practice Facility / Clinic

🏢 Dreyer Clinic, Inc Facility NPI 1407221898

Medicare Profile & Education

Medical School

R Franklin University Of Med & Sci/chicago Medical School

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Aurora, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +4.4 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

✓ Offers Virtual Consultations

Medicare Pricing Discount

59.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dreyer (32 Years) 32 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	512	236	$22.00	$8.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	366	209	$279.00	$130.45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	184	184	$332.00	$132.18
99213 Established patient office or other outpatient visit, typically 15 minutes	72	61	$198.00	$93.77
G0008 Administration of influenza virus vaccine	49	46	$60.00	$33.45
90662 Influenza vaccine split virus, preservative free	47	44	$125.00	$80.77
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	36	35	$35.00	$16.67
93000 Routine ekg using at least 12 leads including interpretation and report	34	32	$82.00	$14.78
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	20	16	$168.00	$54.98
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	19	19	$498.00	$151.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$124.00	$58.58
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	15	11	$67.00	$23.98
99495 Transitional care management services for problem of at least moderate complexity	13	13	$507.00	$211.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	494	231	$22.00	$8.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	382	222	$259.00	$129.66
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	172	172	$316.00	$132.56
99213 Established patient office or other outpatient visit, typically 15 minutes	75	68	$178.00	$93.18
G0008 Administration of influenza virus vaccine	67	66	$53.13	$31.57
90662 Influenza vaccine split virus, preservative free	64	63	$109.72	$70.59
93000 Routine ekg using at least 12 leads including interpretation and report	54	48	$82.00	$14.20
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	54	11	$61.00	$14.39
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	30	22	$63.00	$24.06
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$353.00	$171.07
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$474.00	$160.06
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	$168.00	$54.09
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	14	14	$69.00	$15.27
G0009 Administration of pneumococcal vaccine	13	13	$46.31	$32.05
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	13	13	$374.38	$281.40
99495 Transitional care management services for problem of at least moderate complexity	12	11	$482.00	$210.71
85610 Blood test, clotting time	11	11	$34.00	$4.20
93793 Anticoagulant management of patient taking warfarin	11	11	$26.00	$11.83

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	354	179	$235.00	$133.78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	166	166	$316.00	$135.26
36415 Insertion of needle into vein for collection of blood sample	71	61	$22.00	$2.94
G0008 Administration of influenza virus vaccine	57	56	$41.00	$31.09
90662 Influenza vaccine split virus, preservative free	56	55	$73.00	$68.42
99213 Established patient office or other outpatient visit, typically 15 minutes	55	51	$161.00	$92.85
93000 Routine ekg using at least 12 leads including interpretation and report	39	36	$82.00	$14.92
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	21	21	$353.00	$158.11
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	19	19	$69.00	$13.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$474.00	$175.46
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	11	$63.00	$24.49

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	346	189	$224.00	$137.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	145	145	$316.00	$140.18
99213 Established patient office or other outpatient visit, typically 15 minutes	56	49	$153.00	$95.07
G0008 Administration of influenza virus vaccine	50	50	$41.00	$17.97
90662 Influenza vaccine split virus, preservative free	45	45	$73.00	$64.96
93000 Routine ekg using at least 12 leads including interpretation and report	37	34	$82.00	$15.76
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	21	21	$474.00	$166.55
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$353.00	$177.33
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	11	$63.00	$23.86
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	11	11	$69.00	$15.91

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	277	170	$211.59	$113.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	136	136	$316.00	$120.48
99441 Telephone medical discussion with physician, 5-10 minutes	50	43	$63.00	$48.17
99213 Established patient office or other outpatient visit, typically 15 minutes	44	41	$143.73	$78.29
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	36	36	$36.83	$18.96
G0008 Administration of influenza virus vaccine	34	34	$41.00	$17.73
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	27	27	$93.00	$45.87
99442 Telephone medical discussion with physician, 11-20 minutes	26	26	$102.00	$79.67
93000 Routine ekg using at least 12 leads including interpretation and report	23	20	$82.00	$17.54
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$353.00	$174.81

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	363	181	$203.00	$114.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	148	148	$316.00	$122.83
99213 Established patient office or other outpatient visit, typically 15 minutes	75	65	$136.00	$76.60
93000 Routine ekg using at least 12 leads including interpretation and report	49	32	$82.00	$17.83
G0008 Administration of influenza virus vaccine	17	17	$41.00	$17.39
G0103 Prostate cancer screening; prostate specific antigen test (psa)	17	17	$98.00	$20.03
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	17	$35.00	$18.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$474.00	$181.14
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$291.00	$120.54
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$349.00	$159.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	448	195	$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	350	188	$198.66	$112.26
80061 Blood test, lipids (cholesterol and triglycerides)	183	126	$96.00	$16.13
83036 Hemoglobin A1C level	181	95	$64.07	$11.75
80053 Blood test, comprehensive group of blood chemicals	170	129	$75.51	$12.72
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	156	121	$45.67	$9.40
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	132	132	$316.00	$121.51
80048 Blood test, basic group of blood chemicals (calcium, total)	122	74	$58.79	$10.23
99213 Established patient office or other outpatient visit, typically 15 minutes	122	102	$131.38	$76.03
85610 Blood test, clotting time	72	26	$34.00	$4.75
80076 Liver function blood test panel	71	54	$65.18	$9.89
84443 Blood test, thyroid stimulating hormone (TSH)	69	43	$108.00	$20.09
82570 Creatinine level to test for kidney function or muscle injury	63	47	$46.00	$6.26
82043 Urine microalbumin (protein) level	62	46	$64.97	$7.00
G0103 Prostate cancer screening; prostate specific antigen test (psa)	44	44	$103.09	$22.26
G0008 Administration of influenza virus vaccine	43	42	$42.42	$21.46
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	43	42	$35.00	$18.65
G0009 Administration of pneumococcal vaccine	35	35	$35.83	$21.46
81001 Manual urinalysis test with examination using microscope, automated	32	22	$27.00	$3.84
93000 Routine ekg using at least 12 leads including interpretation and report	31	28	$71.52	$17.95
87086 Bacterial colony count, urine	28	19	$54.07	$9.76
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	23	19	$158.61	$56.56
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	22	22	$474.00	$180.04
84550 Uric acid level, blood	22	15	$33.00	$5.47
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$277.50	$166.36
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	20	11	$53.30	$10.46
81003 Automated urinalysis test	19	17	$20.00	$2.71
87088 Bacterial urine culture	19	11	$53.95	$9.79
83721 Ldl cholesterol level	18	13	$53.50	$11.54
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$131.67	$105.59
90670 Pneumococcal vaccine for injection into muscle	17	17	$255.06	$197.42
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	16	16	$69.00	$18.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$87.85	$43.29
85730 Coagulation assessment blood test, plasma or whole blood	11	11	$50.00	$7.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	482	202	$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	368	178	$193.00	$111.92
80061 Blood test, lipids (cholesterol and triglycerides)	239	158	$96.00	$13.70
83036 Hemoglobin A1C level	223	103	$64.00	$13.00
80053 Blood test, comprehensive group of blood chemicals	212	159	$75.00	$11.93
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	194	139	$45.00	$10.45
80048 Blood test, basic group of blood chemicals (calcium, total)	152	83	$58.00	$9.97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	141	141	$316.00	$120.44
84443 Blood test, thyroid stimulating hormone (TSH)	94	73	$108.00	$22.59
80076 Liver function blood test panel	91	70	$64.00	$8.31
99213 Established patient office or other outpatient visit, typically 15 minutes	81	68	$124.00	$76.91
82570 Creatinine level to test for kidney function or muscle injury	67	47	$46.00	$6.96
82043 Urine microalbumin (protein) level	65	45	$58.00	$7.77
G0008 Administration of influenza virus vaccine	48	44	$31.00	$26.65
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	42	41	$35.00	$18.65
G0103 Prostate cancer screening; prostate specific antigen test (psa)	37	37	$105.00	$24.73
G0009 Administration of pneumococcal vaccine	32	32	$31.00	$26.65
93000 Routine ekg using at least 12 leads including interpretation and report	28	26	$69.00	$18.03
83540 Iron level	24	20	$31.00	$8.70
85610 Blood test, clotting time	22	11	$34.00	$5.28
81003 Automated urinalysis test	21	19	$20.00	$3.02
83550 Iron binding capacity	20	17	$47.00	$11.75
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	19	16	$156.00	$56.55
90670 Pneumococcal vaccine for injection into muscle	19	19	$211.00	$185.21
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	18	18	$206.00	$173.52
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	17	17	$474.00	$178.71
81001 Manual urinalysis test with examination using microscope, automated	17	13	$27.00	$4.26
82607 Cyanocobalamin (vitamin B-12) level	16	16	$115.00	$20.27
87086 Bacterial colony count, urine	15	12	$53.00	$10.85
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	14	14	$39.00	$21.38
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$123.00	$95.53
83721 Ldl cholesterol level	13	11	$53.00	$12.83

Medical Specialties & State Licenses

CMS Verified: 2025-06-17

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-095066

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

036095066 (IL)

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

4100 Healthway Dr, Aurora, IL 605044163

Phone: 6308513105

Practice Associates & Co-Workers

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

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Physician Assistant

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Career & Practice History Timeline

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

12 Historical Events

📍

Updated Business Mailing Address June 17, 2025

Registered at 28594 NETWORK PL, CHICAGO, IL 606731285

✅

NPI Profile Active February 17, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address February 17, 2017

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

📍

Updated Practice Location February 17, 2017

Registered at 4100 HEALTHWAY DR, AURORA, IL 605044163 (Tel: 6308513105)

👤

Provider Name / Credentials Updated February 17, 2017

Recorded as ROMAN DREYER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2017

Internal Medicine (License #036-095066 in IL)

✅

NPI Profile Active May 16, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 16, 2011

Registered at 4100 HEALTHWAY DR, AURORA, IL 605044163 (Tel: 6308513105)

📍

Updated Business Mailing Address May 16, 2011

Registered at 1870 W GALENA BLVD, AURORA, IL 605064356 (Tel: 6308596700)

👤

Provider Name / Credentials Updated May 16, 2011

Recorded as ROMAN DREYER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 16, 2011

Internal Medicine (License #036-095066 in IL)

🟢

Initial NPI Registration & Enumeration July 09, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1376576793

Entity Type:

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

Enumeration Date: July 09, 2006

Last Update: June 17, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

28594 Network Pl

Chicago, IL 606731285

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.