Mary P. Leahy, MD
Internal Medicine Physician · West Nyack, NY
Mary P. Leahy, MD is an internal medicine physician with a practice address in West Nyack, New York, and NPI 1215921283, issued on Sep 7, 2005. Check the license (New York 1671161, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary P. Leahy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1671161 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2 Crosfield Ave, West Nyack, NY 10994
- Phone
- (845) 353-5600
- Enumerated
- Sep 7, 2005
- Record last updated
- Mar 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (845) 353-5668
- Medicaid ID
- 01852895 NY
- Entity
- Type 1 · individual
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- Peter Cecil Dickinson, M.D.Infectious Disease Physician1225037187
Verify Mary P. Leahy 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 1671161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Mary P. Leahy among 12,067 internal medicine physician records in New York
Mary P. Leahy, MD is one of 12,067 internal medicine physician records with a practice address in New York. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2011 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in West Nyack
They are 14 of the 439 NPPES records with a practice address in West Nyack, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in West Nyack → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ramy Abukwaik, MDWest Nyack, NY 109941093392375
- Lisa Ferrara, M.D.West Nyack, NY 109941861563736
- James Gurniak, M.D.West Nyack, NY 109941851420897
- Roy Hammonds, RPA-CWest Nyack, NY 109941649368887
- Stephen Klein, M.D.West Nyack, NY 109941831257872
- Dean Miller, M.D.West Nyack, NY 109941568416451
- Henry Okere, MDWest Nyack, NY 109941366455248
- Ghousia Pasha, M.D.West Nyack, NY 109941518058940
Common questions
What is Mary P. Leahy, MD's NPI number?
Mary P. Leahy, MD's National Provider Identifier (NPI) is 1215921283, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary P. Leahy, MD located?
The NPPES record lists a practice address at 2 Crosfield Ave, West Nyack, NY, 10994. Phone: (845) 353-5600. Providers update this record themselves, so call before visiting.
How can I verify Mary P. Leahy, MD's license?
NPPES lists New York license number 1671161, 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.
What is Mary P. Leahy, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.