Roman Dreyer, MD
Internal Medicine Physician · Aurora, IL
Roman Dreyer, MD is an internal medicine physician with a practice address in Aurora, Illinois, and NPI 1376576793, issued on Jul 9, 2006. Check the license (Illinois 036-095066, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Roman Dreyer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-095066 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Healthway Dr, Aurora, IL 60504
- Phone
- (630) 851-3105
- Enumerated
- Jul 9, 2006
- Record last updated
- Jun 17, 2025
- Medicaid ID
- 036095066 IL
- Medicare enrollment
- Enrolled (PECOS I20050624000541); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 4100 Healthway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roman Dreyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-095066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,984 Medicare Part D claims for 545 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 222 claims were for opioids.
Most prescribed
- Amlodipine Besylate493 claims
- Atorvastatin Calcium456 claims
- Metformin Hcl412 claims
- Losartan Potassium343 claims
- Lisinopril304 claims
- Levothyroxine Sodium267 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationAurora, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roman Dreyer among 7,238 internal medicine physician records in Illinois
Roman Dreyer, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1994 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 internal medicine physician records list a practice address in Aurora
They are 45 of the 3,342 NPPES records with a practice address in Aurora, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Aurora → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sonal Bhatt, M.DAurora, IL 605041982710257
- Iyad Kashow, MDAurora, IL 605041174574396
- Karen Lee, M.D.Aurora, IL 605041417022351
- Sunil Malkani, M.D.Aurora, IL 605041538153655
- Philip Moore, M.D.Aurora, IL 605041104877414
- Nazima Mustafa, M.D.Aurora, IL 605041134170624
- Meenalochani Narayanan, MDAurora, IL 605041639213242
Common questions
What is Roman Dreyer, MD's NPI number?
Roman Dreyer, MD's National Provider Identifier (NPI) is 1376576793, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roman Dreyer, MD located?
The NPPES record lists a practice address at 4100 Healthway Dr, Aurora, IL, 60504. Phone: (630) 851-3105. Providers update this record themselves, so call before visiting.
How can I verify Roman Dreyer, MD's license?
NPPES lists Illinois license number 036-095066, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roman Dreyer, MD prescribe under Medicare Part D?
In 2024, Roman Dreyer, MD had 7,984 Medicare Part D claims for 545 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.