Mary Louise Lenahan, MD
Procedural Dermatology Physician · East Amherst, NY
Mary Louise Lenahan, MD is a procedural dermatology physician with a practice address in East Amherst, New York, and NPI 1144216953, issued on Sep 27, 2005. Check the license (New York 153446-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary Louise Lenahan
- Credential
- MD
- Primary taxonomy
- Procedural Dermatology Physician 207NS0135X
- License number
- 153446-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6507 Transit RD, East Amherst, NY 14051
- Phone
- (716) 689-4377
- Enumerated
- Sep 27, 2005
- Record last updated
- May 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (716) 689-4843
- Medicare enrollment
- Enrolled (PECOS I20080107000584); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest procedural dermatology physician records → All 81 in New York → Look up another NPI →
Also registered at 6507 Transit RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Cali, NPFamily Nurse Practitioner1124583372
- Alexandra Galvano, PHYSICIAN ASSISTANTPhysician Assistant1508477472
- Katie Koch, RPA-CPhysician Assistant1588891048
- Susan Krasner, PH.D.Clinical Psychologist1770675167
- Jennifer May, PASurgical Physician Assistant1043296338
- Joshua Mirwis, PHDSchool Psychologist1427471317
Verify Mary Louise Lenahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 153446-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average procedural dermatology physician in 2024
1,400 Medicare Part D claims for 626 beneficiaries, against an average of 713 among the 446 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Triamcinolone Acetonide183 claims
- Ketoconazole178 claims
- Clobetasol Propionate126 claims
- Hydrocortisone82 claims
- Tacrolimus79 claims
- Fluorouracil72 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): 87.7 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: $1,496.26
77 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 377 providers of this specialty with any payment received $10,439.11 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
- Lenahan Dermatology PLLCEast Amherst, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Louise Lenahan among 81 procedural dermatology physician records in New York
Mary Louise Lenahan, MD is one of 81 procedural dermatology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1979 · median 1989 among the 50 with a school on file
- Record last updated2019 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207NS0135X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Procedural Dermatology Physician providers in New York
There are 81 procedural dermatology physician records in New York.
All 81 in New York → Every provider in East Amherst → Procedural Dermatology Physician nationwide →
The 8 procedural dermatology physician records with the nearest ZIP codes
- Peter Santa Lucia, M.D.Orchard Park, NY 141271578561247
- Cerrene Giordano, MDBuffalo, NY 142631598027906
- Allison Holm, M.D.Rochester, NY 146071114928231
- James Kresge, RPACRochester, NY 146071073515839
- Susan Psaila, M.D.Rochester, NY 146071548262371
- Joseph Wojciechowski, MDRochester, NY 146071720080740
- Lewis Dubroff, M.D., PH.D.Syracuse, NY 132101952438715
- Salvatore Digrandi, M.DPawling, NY 125641891759858
Common questions
What is Mary Louise Lenahan, MD's NPI number?
Mary Louise Lenahan, MD's National Provider Identifier (NPI) is 1144216953, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Louise Lenahan, MD located?
The NPPES record lists a practice address at 6507 Transit RD, East Amherst, NY, 14051. Phone: (716) 689-4377. Providers update this record themselves, so call before visiting.
How can I verify Mary Louise Lenahan, MD's license?
NPPES lists New York license number 153446-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Louise Lenahan, MD prescribe under Medicare Part D?
In 2024, Mary Louise Lenahan, MD had 1,400 Medicare Part D claims for 626 beneficiaries; the average among procedural dermatology physician prescribers was 713. Part D covers Medicare prescriptions only.
What is Mary Louise Lenahan, MD's MIPS final score?
The 2023 MIPS final score is 87.7 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.