NPPES file of Aug 9, 2026

Marie Claire O'Dwyer, MB BCH BAO

Internal Medicine Physician · Ann Arbor, MI

Marie Claire O'Dwyer, MB BCH BAO is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1932619798, issued on Oct 6, 2017. Check the license (Michigan 4301113287, 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
1932619798
Name
Marie Claire O'Dwyer
Credential
MB BCH BAO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301113287 MI
Self-reported in NPPES; status is on the state search
Practice location
1801 Briarwood Circle, Ann Arbor, MI 48108
Phone
(734) 998-7390
Enumerated
Oct 6, 2017
Record last updated
Feb 19, 2024
Medicare enrollment
Enrolled (PECOS I20180118002412); accepts Medicare assignment
Medical or professional school
University College Of Medicine, 2006
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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8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →

Also registered at 1801 Briarwood Circle

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

  1. Juana Capizzano, M.D.Family Medicine Physician1881910628
  2. Jane Chargot, M.D.Family Medicine Physician1881034957
  3. Alicia Cohen, MDFamily Medicine Physician1023214459
  4. Keri Denay, M.D.Family Medicine Physician1619175775
  5. Susan Doyle, PA-CPhysician Assistant1114004355
  6. Robert Heizelman, M.D.Family Medicine Physician1700845724

Verify Marie Claire O'Dwyer 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 4301113287    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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47% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,668 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 23 claims were for opioids.

  1. Marie Claire O'Dwyer1,668
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium124 claims
  2. Losartan Potassium86 claims
  3. Omeprazole63 claims
  4. Lisinopril58 claims
  5. Levothyroxine Sodium57 claims
  6. Gabapentin48 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

  1. Regents OF The University OF MichiganChelsea, MI

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

Marie Claire O'Dwyer among 5,735 internal medicine physician records in Michigan

Marie Claire O'Dwyer, MB BCH BAO 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 2017, is newer than 71% of them.

  • NPI issued2017 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2006 · median 2006 among the 3,564 with a school on file
  • Record last updated2024 · 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).

479 internal medicine physician records list a practice address in Ann Arbor

They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.

All 5,735 in Michigan → Every provider in Ann Arbor → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Brian Brophy, MDAnn Arbor, MI 481081508881954
  2. Madhavi Dandu, M.D.Ann Arbor, MI 481081366469298
  3. Eleni Dimaraki, MDAnn Arbor, MI 481081659307320
  4. Elizabeth Drake, MDAnn Arbor, MI 481081881783751
  5. Charisse Gencyuz, MDAnn Arbor, MI 481081174612303
  6. Kimberly Hamilton, MDAnn Arbor, MI 481081437189883
  7. Kurt Kamper, MDAnn Arbor, MI 481081154370542
  8. Susan Kamper, MDAnn Arbor, MI 481081760431167

Common questions

What is Marie Claire O'Dwyer, MB BCH BAO's NPI number?

Marie Claire O'Dwyer, MB BCH BAO's National Provider Identifier (NPI) is 1932619798, issued on Oct 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marie Claire O'Dwyer, MB BCH BAO located?

The NPPES record lists a practice address at 1801 Briarwood Circle, Ann Arbor, MI, 48108. Phone: (734) 998-7390. Providers update this record themselves, so call before visiting.

How can I verify Marie Claire O'Dwyer, MB BCH BAO's license?

NPPES lists Michigan license number 4301113287, 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 Marie Claire O'Dwyer, MB BCH BAO prescribe under Medicare Part D?

In 2024, Marie Claire O'Dwyer, MB BCH BAO had 1,668 Medicare Part D claims for 148 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.