Martin Greenfield, MD
Endocrinology, Diabetes & Metabolism Physician · New Hyde Park, NY
Martin Greenfield, MD is an endocrinology, diabetes & metabolism physician with a practice address in New Hyde Park, New York, and NPI 1205831443, issued on Jun 15, 2005. Check the license (New York 103688, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Martin Greenfield
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 103688 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2 Pro Health Plz, New Hyde Park, NY 11042
- Phone
- (516) 608-6823
- Enumerated
- Jun 15, 2005
- Record last updated
- Apr 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (516) 608-6824
- Medicaid ID
- 00673134 NY
- Medicare enrollment
- Enrolled (PECOS I20070822000252); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1968
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2 Pro Health Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Karwoski, M.D.Internal Medicine Physician1023245008
- Pauline Mizrachi, M.D.Internal Medicine Physician1164761656
Verify Martin Greenfield 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 103688Check 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 endocrinology, diabetes & metabolism physician in 2024
4,942 Medicare Part D claims for 532 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Synthroid348 claims
- Jardiance318 claims
- Levothyroxine Sodium280 claims
- Metformin Hcl Er265 claims
- Metformin Hcl236 claims
- Ozempic197 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): 84.1 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: $33.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Optum Medical Care PCMount Kisco, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
Other endocrinology, diabetes & metabolism physician records in New York
- Zinoviy Abelev, MDLong Island City, NY1891941613
- Jill Abelseth, M.D.Albany, NY1720080039
- Sherley Abraham, M.D.New York, NY1871739441
- Connor Abramowicz, DOPort Jefferson, NY1508485913
- Jennifer Abrams, DOBrooklyn, NY1679101364
- Naim Abrar, M.D.Riverhead, NY1790702355
- Cesar Abuchaibe, MDNew York, NY1316250582
- Runa Acharya, MDSyracuse, NY1477817401
- Robert Aden, MDBrooklyn, NY1457312829
- Deena Adimoolam, MDNew York, NY1619110228
Common questions
What is Martin Greenfield, MD's NPI number?
Martin Greenfield, MD's National Provider Identifier (NPI) is 1205831443, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martin Greenfield, MD located?
The NPPES record lists a practice address at 2 Pro Health Plz, New Hyde Park, NY, 11042. Phone: (516) 608-6823. Providers update this record themselves, so call before visiting.
How can I verify Martin Greenfield, MD's license?
NPPES lists New York license number 103688, 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 Martin Greenfield, MD prescribe under Medicare Part D?
In 2024, Martin Greenfield, MD had 4,942 Medicare Part D claims for 532 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Martin Greenfield, MD's MIPS final score?
The 2023 MIPS final score is 84.1 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.