Robin S. Ehrmann, MD
Internal Medicine Physician · Royal Oak, MI
Robin S. Ehrmann, MD is an internal medicine physician with a practice address in Royal Oak, Michigan, and NPI 1992788541, issued on Nov 28, 2005. Check the license (Michigan 4301047383, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robin S. Ehrmann
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301047383 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2033 Crooks RD, Royal Oak, MI 48073
- Phone
- (248) 543-2000
- Enumerated
- Nov 28, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (248) 543-2043
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 2033 Crooks RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Ehrmann, D.O.Family Medicine Physician1417047762
- Samar Mumtaz, MDInternal Medicine Physician1346403243
- Helen Ostro-Brown, M.D.Family Medicine Physician1215027578
Verify Robin S. Ehrmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301047383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Robin S. Ehrmann among 5,735 internal medicine physician records in Michigan
Robin S. Ehrmann, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 internal medicine physician records list a practice address in Royal Oak
They are 218 of the 3,887 NPPES records with a practice address in Royal Oak, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Royal Oak → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shanu Agarwal, MDRoyal Oak, MI 480731992759302
- Michael BarnesRoyal Oak, MI 480731588633176
- Ali Farhat, MDRoyal Oak, MI 480731467411363
- Brent FullerRoyal Oak, MI 480731871552646
- Joseph James, MDRoyal Oak, MI 480731154398196
- Frederick Karoub, MDRoyal Oak, MI 480731679554562
- Carl Karoub, MDRoyal Oak, MI 480731063494706
- Lynda MisraRoyal Oak, MI 480731942225206
Common questions
What is Robin S. Ehrmann, MD's NPI number?
Robin S. Ehrmann, MD's National Provider Identifier (NPI) is 1992788541, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robin S. Ehrmann, MD located?
The NPPES record lists a practice address at 2033 Crooks RD, Royal Oak, MI, 48073. Phone: (248) 543-2000. Providers update this record themselves, so call before visiting.
How can I verify Robin S. Ehrmann, MD's license?
NPPES lists Michigan license number 4301047383, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robin S. Ehrmann, MD prescribe under Medicare Part D?
In 2024, Robin S. Ehrmann, MD had 14 Medicare Part D claims; 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.