Ashley Erwin, MD
Family Medicine Physician · Detroit, MI
Ashley Erwin, MD is a family medicine physician with a practice address in Detroit, Michigan, and NPI 1194348169, issued on May 25, 2020. Check the license (Michigan 4301510261, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ashley Erwin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301510261 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3370 E Jefferson Ave, Detroit, MI 48207
- Phone
- (313) 656-1600
- Enumerated
- May 25, 2020
- Record last updated
- Dec 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20231223000103); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 3370 E Jefferson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashley Erwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301510261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,283 Medicare Part D claims for 370 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium197 claims
- Amlodipine Besylate125 claims
- Losartan Potassium121 claims
- Nifedipine Er81 claims
- Lisinopril60 claims
- Metformin Hcl58 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
- Henry Ford Health SystemDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Erwin among 6,013 family medicine physician records in Michigan
Ashley Erwin, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.
- NPI issued2020 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2008 among the 3,493 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
222 family medicine physician records list a practice address in Detroit
They are 222 of the 19,832 NPPES records with a practice address in Detroit, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Detroit → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Racquel Brockington, DODetroit, MI 482071205955929
- Katarzyna Budzynska, MDDetroit, MI 482071396914024
- Frank Clark, DODetroit, MI 482071831105782
- Christina Clark, M.D.Detroit, MI 482071467515171
- Lynn Donohue, MDDetroit, MI 482071053329060
- George Evans, D.O.Detroit, MI 482071922162924
- Margo Ferguson, MDDetroit, MI 482071881679355
- Penola Garvin-Leslie, M.D.Detroit, MI 482071831140359
Common questions
What is Ashley Erwin, MD's NPI number?
Ashley Erwin, MD's National Provider Identifier (NPI) is 1194348169, issued on May 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Erwin, MD located?
The NPPES record lists a practice address at 3370 E Jefferson Ave, Detroit, MI, 48207. Phone: (313) 656-1600. Providers update this record themselves, so call before visiting.
How can I verify Ashley Erwin, MD's license?
NPPES lists Michigan license number 4301510261, 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 Ashley Erwin, MD prescribe under Medicare Part D?
In 2024, Ashley Erwin, MD had 2,283 Medicare Part D claims for 370 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.