Leonard Averell Treihaft, MD
Internal Medicine Physician · New Hyde Park, NY
Leonard Averell Treihaft, MD is an internal medicine physician with a practice address in New Hyde Park, New York, and NPI 1053347401, issued on Jun 25, 2006. Check the license (New York 192632, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard Averell Treihaft
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 192632 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2035 Lakeville Road, New Hyde Park, NY 11040
- Phone
- (519) 328-2290
- Enumerated
- Jun 25, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (516) 352-6579
- Medicaid ID
- 01574978 NY
- Medicare enrollment
- Enrolled (PECOS I20100910000686); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1991
- Entity
- Type 1 · individual
Also registered at 2035 Lakeville Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward Rutkovsky, MDInternal Medicine Physician1881603892
Verify Leonard Averell Treihaft 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 192632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average internal medicine physician in 2024
4,408 Medicare Part D claims for 582 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate413 claims
- Atorvastatin Calcium370 claims
- Rosuvastatin Calcium316 claims
- Levothyroxine Sodium264 claims
- Losartan Potassium250 claims
- Metoprolol Succinate186 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): 76.5 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).
Bills Medicare through one group practice
- City Medical OF Upper East Side PLLCLake Grove, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
116 internal medicine physician records list a practice address in New Hyde Park
They are 116 of the 4,217 NPPES records with a practice address in New Hyde Park, and 12,067 internal medicine physician records in New York.
All 116 in New Hyde Park → All 12,067 in New York → Every provider in New Hyde Park →
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- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Leonard Averell Treihaft, MD's NPI number?
Leonard Averell Treihaft, MD's National Provider Identifier (NPI) is 1053347401, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Averell Treihaft, MD located?
The NPPES record lists a practice address at 2035 Lakeville Road, New Hyde Park, NY, 11040. Phone: (519) 328-2290. Providers update this record themselves, so call before visiting.
How can I verify Leonard Averell Treihaft, MD's license?
NPPES lists New York license number 192632, 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 Leonard Averell Treihaft, MD prescribe under Medicare Part D?
In 2024, Leonard Averell Treihaft, MD had 4,408 Medicare Part D claims for 582 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Leonard Averell Treihaft, MD's MIPS final score?
The 2023 MIPS final score is 76.5 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.