Leonard Yale Kerwin, M.D.
Dermatology Physician · West Bloomfield, MI
Leonard Yale Kerwin, M.D. is a dermatology physician with a practice address in West Bloomfield, Michigan, and NPI 1942525837, issued on Apr 2, 2010. Check the license (Michigan 4301096099, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Leonard Yale Kerwin
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 4301096099 MI
Self-reported in NPPES; status is on the state search - Practice location
- 6330 Orchard Lake RD Ste 120, West Bloomfield, MI 48322
- Phone
- (248) 462-6045
- Enumerated
- Apr 2, 2010
- Record last updated
- Jan 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20150629002529); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 471 in Michigan → Look up another NPI →
Also registered at 6330 Orchard Lake RD Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Lang, PA-CPhysician Assistant1518733070
- Annabella RabbanPhysician Assistant1609642156
Verify Leonard Yale Kerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301096099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average dermatology physician in 2024
1,445 Medicare Part D claims for 669 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 19 claims were for opioids.
Most prescribed
- Triamcinolone Acetonide233 claims
- Mupirocin199 claims
- Ketoconazole186 claims
- Cephalexin136 claims
- Clobetasol Propionate135 claims
- Fluocinonide71 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): 100 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: $33,671.11
174 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Midwest Center For Dermatology And Pathology PLLCFarmington Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Yale Kerwin among 471 dermatology physician records in Michigan
Leonard Yale Kerwin, M.D. is one of 471 dermatology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 54% of them.
- NPI issued2010 · 54% of these records are older, 44% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2008 among the 324 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Michigan
There are 471 dermatology physician records in Michigan.
All 471 in Michigan → Every provider in West Bloomfield → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Leonard Cetner, M.D.West Bloomfield, MI 483221477667590
- Roxana Chapman, DOWest Bloomfield, MI 483221528049202
- Michael Dorman, MDWest Bloomfield, MI 483221841281532
- Sook HwangWest Bloomfield, MI 483221962897181
- Diane Jackson-Richards, M.D.West Bloomfield, MI 483221992883029
- Ronald Kerwin, MDWest Bloomfield, MI 483221265497622
- D'Anne Kleinsmith, MDWest Bloomfield, MI 483221902888928
- Suzanne Merkle, MDWest Bloomfield, MI 483221184674798
Common questions
What is Leonard Yale Kerwin, M.D.'s NPI number?
Leonard Yale Kerwin, M.D.'s National Provider Identifier (NPI) is 1942525837, issued on Apr 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Yale Kerwin, M.D. located?
The NPPES record lists a practice address at 6330 Orchard Lake RD Ste 120, West Bloomfield, MI, 48322. Phone: (248) 462-6045. Providers update this record themselves, so call before visiting.
How can I verify Leonard Yale Kerwin, M.D.'s license?
NPPES lists Michigan license number 4301096099, 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 Leonard Yale Kerwin, M.D. prescribe under Medicare Part D?
In 2024, Leonard Yale Kerwin, M.D. had 1,445 Medicare Part D claims for 669 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Leonard Yale Kerwin, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.