Stephen Lazar, MD
Internal Medicine Physician · New Windsor, NY
Stephen Lazar, MD is an internal medicine physician with a practice address in New Windsor, New York, and NPI 1811990872, issued on May 24, 2005. Check the license (New York 176285, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stephen Lazar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 176285 NY
Self-reported in NPPES; status is on the state search - Practice location
- 575 Hudson Valley Ave, New Windsor, NY 12553
- Phone
- (845) 561-2773
- Enumerated
- May 24, 2005
- Entity
- Type 1 · individual
Also registered at 575 Hudson Valley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leila Boukhris, M.D.Internal Medicine Physician1366739138
- Joseph George, MDInternal Medicine Physician1023011277
- John Gillinder, MPTPhysical Therapist1295989242
- Ahmad Hadid, MDCardiovascular Disease Physician1497758510
- Ahmad Hadid, MDInternal Medicine Physician1558364414
- Kisha Howard-Schramm, NPFamily Nurse Practitioner1457702516
Verify Stephen Lazar 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 176285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
88% more Medicare Part D claims than the average internal medicine physician in 2024
5,235 Medicare Part D claims for 533 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate519 claims
- Atorvastatin Calcium384 claims
- Amlodipine Besylate290 claims
- Eliquis284 claims
- Rosuvastatin Calcium276 claims
- Levothyroxine Sodium145 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 Medicare quality score for 2023: 81 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: $50.33
2 payments, mostly food and beverage; the largest payer was Baxter Healthcare. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Westchester Medical Center Advanced Physician Services PCValhalla, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
20 internal medicine physician records list a New Windsor practice address
They are 20 of the 608 NPPES records with a New Windsor practice address, and 13,725 internal medicine physician records in New York.
All 20 in New Windsor → All 13,725 in New York → Every provider in New Windsor →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Justin Aaron, MDNew York, NY1619243912
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Charles Abate, MDOssining, NY1720180003
- Vyachislav Abayev, M.D.Brooklyn, NY1437394574
Common questions
What is Stephen Lazar, MD's NPI number?
Stephen Lazar, MD's National Provider Identifier (NPI) is 1811990872, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Lazar, MD located?
The NPPES record lists a practice address at 575 Hudson Valley Ave, New Windsor, NY, 12553. Phone: (845) 561-2773. Providers update this record themselves, so call before visiting.
How can I verify Stephen Lazar, MD's license?
NPPES lists New York license number 176285, 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 Stephen Lazar, MD prescribe under Medicare Part D?
In 2024, Stephen Lazar, MD had 5,235 Medicare Part D claims for 533 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Stephen Lazar, MD's Medicare quality score?
The 2023 MIPS final score is 81 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.