NPPES file of Aug 9, 2026

Sara Lynn Margosian, MD

Geriatric Medicine (Internal Medicine) Physician · Ann Arbor, MI

Sara Lynn Margosian, MD is a geriatric medicine (internal medicine) physician with a practice address in Ann Arbor, Michigan, and NPI 1952927766, issued on Jun 18, 2020. Check the license (Michigan 4301511662, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952927766
Name
Sara Lynn Margosian
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
4301511662 MI
4351046047 MI
Self-reported in NPPES; status is on the state search
Practice location
4260 Plymouth RD, Ann Arbor, MI 48109
Phone
(734) 764-6831
Enumerated
Jun 18, 2020
Record last updated
Sep 5, 2024
Medicare enrollment
Enrolled (PECOS I20240708004014); accepts Medicare assignment
Medical or professional school
Oakland Univ, William Beaumont School Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4260 Plymouth RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Regina Abney, MSWClinical Social Worker1518009877
  2. Michelle Adgate, MSWClinical Social Worker1942063235
  3. Neil Alexander, MDGeriatric Medicine (Internal Medicine) Physician1760563118
  4. Marjorie Almeda, DOGeriatric Medicine (Internal Medicine) Physician1295740728
  5. James Baker, MDPediatrics Physician1790791952
  6. Sami Barmada, MD, PHDNeurology Physician1144247891

Verify Sara Lynn Margosian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301511662
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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91% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

366 Medicare Part D claims for 126 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Sara Margosian366
  2. Specialty average4,246

Most prescribed

  1. Losartan Potassium27 claims
  2. Amlodipine Besylate20 claims
  3. Levothyroxine Sodium16 claims
  4. Atorvastatin Calcium15 claims
  5. Lisinopril15 claims
  6. Omeprazole12 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 3 group practices

  1. Chelsea Community HospitalChelsea, MI
  2. Powerback Rehabilitation LLCJackson, MI
  3. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Michigan

There are 184 geriatric medicine (internal medicine) physician records in Michigan.

Other geriatric medicine (internal medicine) physician records in Michigan

  1. Nadir Abdelrahman, M.D.Dimondale, MI1417119892
  2. Sarah Abdelsamad, MDDearborn, MI1518451236
  3. Tazeen Ahmed, MDBay City, MI1356370944
  4. Asma Al-Hamid, MDCanton, MI1083641021
  5. Neil Alexander, MDAnn Arbor, MI1760563118
  6. Ishani Ali, MDMidland, MI1568485795
  7. Susan AllenBerkley, MI1134198203
  8. Hussein Almadhoun, MDAnn Arbor, MI1497376511
  9. Zainab Almahrous, MDHoughton, MI1871054395
  10. Marjorie Almeda, DOAnn Arbor, MI1295740728

Common questions

What is Sara Lynn Margosian, MD's NPI number?

Sara Lynn Margosian, MD's National Provider Identifier (NPI) is 1952927766, issued on Jun 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sara Lynn Margosian, MD located?

The NPPES record lists a practice address at 4260 Plymouth RD, Ann Arbor, MI, 48109. Phone: (734) 764-6831. Providers update this record themselves, so call before visiting.

How can I verify Sara Lynn Margosian, MD's license?

NPPES lists Michigan license number 4301511662, 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 Sara Lynn Margosian, MD prescribe under Medicare Part D?

In 2024, Sara Lynn Margosian, MD had 366 Medicare Part D claims for 126 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.