NPPES file of Aug 9, 2026

Kevin O'Reilly, DO

Internal Medicine Physician · Ann Arbor, MI

Kevin O'Reilly, DO is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1952693079, issued on May 8, 2011. Check the license (Michigan 5101022492, 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
1952693079
Name
Kevin O'Reilly
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
5101022492 MI
275948 NY
63116 NY
Self-reported in NPPES; status is on the state search
Practice location
1500 East Medical Center Drive, Ann Arbor, MI 48109
Phone
(734) 936-5582
Enumerated
May 8, 2011
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170907003369); accepts Medicare assignment
Medical or professional school
Nova Southeastern Univ College Of Dental Medicine, 2011
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 1500 East Medical Center Drive

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

  1. Mohannad AbusalemPediatric Gastroenterology Physician1265114938
  2. Allegra Adams, PTOrthopedic Physical Therapist1134621618
  3. Carol Adray, NPNurse Practitioner1841360179
  4. Megan Alderman, M.D.Anatomic Pathology Physician1164743704
  5. Ashley Aldridge, PA-CPhysician Assistant1154630762
  6. John Allen, MDGastroenterology Physician1154393502

Verify Kevin O'Reilly 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 5101022492
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

127 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Kevin O'Reilly127
  2. Specialty average3,176

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. Advocate Health And Hospitals CorporationPark Ridge, IL

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

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Kevin O'Reilly, DO's NPI number?

Kevin O'Reilly, DO's National Provider Identifier (NPI) is 1952693079, issued on May 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kevin O'Reilly, DO located?

The NPPES record lists a practice address at 1500 East Medical Center Drive, Ann Arbor, MI, 48109. Phone: (734) 936-5582. Providers update this record themselves, so call before visiting.

How can I verify Kevin O'Reilly, DO's license?

NPPES lists Michigan license number 5101022492, 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 Kevin O'Reilly, DO prescribe under Medicare Part D?

In 2024, Kevin O'Reilly, DO had 127 Medicare Part D claims for 78 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.

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.