John Leahy, M.D.
Obstetrics & Gynecology Physician · Royal Oak, MI
John Leahy, M.D. is an obstetrics & gynecology physician with a practice address in Royal Oak, Michigan, and NPI 1396008405, issued on Jun 22, 2012. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Leahy
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301101353 MN
Self-reported in NPPES; status is on the state search - Practice location
- 3535 W 13 Mile RD, Royal Oak, MI 48073
- Phone
- (248) 551-0417
- Enumerated
- Jun 22, 2012
- Record last updated
- Jun 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (248) 551-5010
- Medicare enrollment
- Enrolled (PECOS I20181218002309); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2012
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 3535 W 13 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mushtak Abbou, MDObstetrics & Gynecology Physician1093796922
- Malik Abdolkarim, DOSleep Medicine (Family Medicine) Physician1710621354
- Khadeejah AhmedPediatrics Physician1346172905
- Afomachukwu Ajufo, MDPediatrics Physician1770467839
- Marwan Aldala'EnPediatrics Physician1508798224
- Mohamad Alhakim, MDNeurology Physician1306837018
Verify John Leahy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
67 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $625.24
24 payments; by number, the most common kind was food and beverage; the largest payer was Gynesonics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
John Leahy among 1,776 obstetrics & gynecology physician records in Michigan
John Leahy, M.D. 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 2012, is newer than 61% of them.
- NPI issued2012 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2012 · median 2007 among the 1,003 with a school on file
- Record last updated2012 · 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).
66 obstetrics & gynecology physician records list a practice address in Royal Oak
They are 66 of the 3,887 NPPES records with a practice address in Royal Oak, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Royal Oak → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mushtak Abbou, MDRoyal Oak, MI 480731093796922
- Andrew Check, MDRoyal Oak, MI 480731790766095
- Lance ChristiansenRoyal Oak, MI 480731578522116
- Clarissa Cowles, MDRoyal Oak, MI 480731356359202
- Eduardo Garcia, M.D.Royal Oak, MI 480731851382006
- Leonard GerhardsteinRoyal Oak, MI 480731508826637
- Ty Kwaiser, MDRoyal Oak, MI 480731922039742
- Richard LagrandeurRoyal Oak, MI 480731235199928
Common questions
What is John Leahy, M.D.'s NPI number?
John Leahy, M.D.'s National Provider Identifier (NPI) is 1396008405, issued on Jun 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Leahy, M.D. located?
The NPPES record lists a practice address at 3535 W 13 Mile RD, Royal Oak, MI, 48073. Phone: (248) 551-0417. Providers update this record themselves, so call before visiting.
How can I verify John Leahy, M.D.'s license?
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 John Leahy, M.D. prescribe under Medicare Part D?
In 2024, John Leahy, M.D. had 67 Medicare Part D claims for 25 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is John Leahy, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.