NPPES file of Aug 9, 2026

Marc Jason Ostreicher, M.D.

Internal Medicine Physician · Cedarhurst, NY

Marc Jason Ostreicher, M.D. is an internal medicine physician with a practice address in Cedarhurst, New York, and NPI 1831420967, issued on Jan 29, 2010. Check the license (New York 256063, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831420967
Name
Marc Jason Ostreicher
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
256063 NY
Self-reported in NPPES; status is on the state search
Practice location
123 Maple Ave, Cedarhurst, NY 11516
Phone
(516) 374-6363
Enumerated
Jan 29, 2010
Record last updated
Aug 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(516) 374-6300
Medicare enrollment
Enrolled (PECOS I20110613000338); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2005
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 123 Maple Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shraga Bernson, LCSWClinical Social Worker1497124887
  2. Carl Friedman, M.D.Pulmonary Disease Physician1306840038
  3. Shana HochPhysician Assistant1326602962
  4. Joshua Mitgang, M.D.Orthopaedic Hand Surgery Physician1134388259
  5. Alyssa Singer-Schwartz, PHDClinical Psychologist1184032757
  6. Mark Vine, M.D.Urology Physician1386668010

Verify Marc Jason Ostreicher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 256063
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,702 Medicare Part D claims for 584 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Marc Ostreicher7,702
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium707 claims
  2. Metoprolol Succinate453 claims
  3. Amlodipine Besylate439 claims
  4. Losartan Potassium399 claims
  5. Hydrochlorothiazide298 claims
  6. Levothyroxine Sodium295 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 MIPS final score for 2023 (Medicare payment program): 11.1 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.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%36.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Internal Medicine Physician providers in New York

There are 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Marc Jason Ostreicher, M.D.'s NPI number?

Marc Jason Ostreicher, M.D.'s National Provider Identifier (NPI) is 1831420967, issued on Jan 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Marc Jason Ostreicher, M.D. located?

The NPPES record lists a practice address at 123 Maple Ave, Cedarhurst, NY, 11516. Phone: (516) 374-6363. Providers update this record themselves, so call before visiting.

How can I verify Marc Jason Ostreicher, M.D.'s license?

NPPES lists New York license number 256063, 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 Marc Jason Ostreicher, M.D. prescribe under Medicare Part D?

In 2024, Marc Jason Ostreicher, M.D. had 7,702 Medicare Part D claims for 584 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Marc Jason Ostreicher, M.D.'s MIPS final score?

The 2023 MIPS final score is 11.1 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.