Erin E. Spencer
Obstetrics & Gynecology Physician · Ypsilanti, MI
Erin E. Spencer is an obstetrics & gynecology physician with a practice address in Ypsilanti, Michigan, and NPI 1821677162, issued on Apr 5, 2021. Check the license (Michigan 4301515208, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Erin E. Spencer
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301515208 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5333 Mcauley Dr RM 2110, Ypsilanti, MI 48197
- Phone
- (734) 712-3967
- Enumerated
- Apr 5, 2021
- Record last updated
- Sep 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20251020002818); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 5333 Mcauley Dr RM 2110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Huda Afaneh, M.D.Obstetrics & Gynecology Physician1639532724
- Kojo Asantey, MDObstetrics & Gynecology Physician1992327258
- Rachel ClarkStudent in an Organized Health Care Education/Training Program1588468623
- Kenna ClementsStudent in an Organized Health Care Education/Training Program1962106583
- Madison EvansStudent in an Organized Health Care Education/Training Program1891634895
- Madison Feeley, MDStudent in an Organized Health Care Education/Training Program1851151773
Verify Erin E. Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301515208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
54 Medicare Part D claims for 28 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
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
- Iha Health Services CorporationYpsilanti, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin E. Spencer among 1,776 obstetrics & gynecology physician records in Michigan
Erin E. Spencer is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 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 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2007 among the 1,003 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 obstetrics & gynecology physician records list a practice address in Ypsilanti
They are 43 of the 3,625 NPPES records with a practice address in Ypsilanti, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Ypsilanti → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Susanne Archer, M.D.Ypsilanti, MI 481971851360945
- Wesley Beemer, M.D.Ypsilanti, MI 481971578531331
- Rajiv Deenadayalu, M.D.Ypsilanti, MI 481971699743468
- Rossana Degrood, M.D.Ypsilanti, MI 481971285603308
- Anne Frantz, MDYpsilanti, MI 481971467412585
- Barbara Hooberman, MDYpsilanti, MI 481971609836485
- Lisa Jeffries, MDYpsilanti, MI 481971154376598
- Allison Kreske, M.D.Ypsilanti, MI 481971194793968
Common questions
What is Erin E. Spencer's NPI number?
Erin E. Spencer's National Provider Identifier (NPI) is 1821677162, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Erin E. Spencer located?
The NPPES record lists a practice address at 5333 Mcauley Dr RM 2110, Ypsilanti, MI, 48197. Phone: (734) 712-3967. Providers update this record themselves, so call before visiting.
How can I verify Erin E. Spencer's license?
NPPES lists Michigan license number 4301515208, 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 Erin E. Spencer prescribe under Medicare Part D?
In 2024, Erin E. Spencer had 54 Medicare Part D claims for 28 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.