NPPES file of Aug 9, 2026

Martin David Keltz, M.D.

Reproductive Endocrinology Physician · Purchase, NY

Martin David Keltz, M.D. is a reproductive endocrinology physician with a practice address in Purchase, New York, and NPI 1750381877, issued on Jul 29, 2005. Check the license (New York 185223-1, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750381877
Name
Martin David Keltz
Credential
M.D.
Primary taxonomy
Reproductive Endocrinology Physician 207VE0102X
License number
185223-1 NY
Self-reported in NPPES; status is on the state search
Practice location
3030 Westchester Ave, Purchase, NY 10577
Phone
(914) 848-8800
Enumerated
Jul 29, 2005
Record last updated
Dec 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(914) 848-8800
Medicaid ID
01571333 NY
Medicare enrollment
Enrolled (PECOS I20040406000777); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 1989
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 3030 Westchester Ave

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

  1. Jiya AcharyaPhysical Therapist1922989466
  2. Nabeel Ali, M.D.Family Medicine Physician1770018111
  3. Sheldon Alter, M.D.Internal Medicine Physician1427051143
  4. Kayla Angelo, DNP, FNP-BCFamily Nurse Practitioner1518681394
  5. Isabella Ardizzone, OTROccupational Therapist1578283784
  6. Jack Berger, MDRheumatology Physician1770568719

Verify Martin David Keltz 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 185223-1    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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82% fewer Medicare Part D claims than the average reproductive endocrinology physician in 2024

15 Medicare Part D claims, against an average of 82 among the 302 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Martin Keltz15
  2. Specialty average82

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.

Bills Medicare through one group practice

  1. Westchester Medical Group, P.CPurchase, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Reproductive Endocrinology Physician providers in New York

There are 206 reproductive endocrinology physician records in New York.

All 206 in New York → Every provider in Purchase →

Other reproductive endocrinology physician records in New York

  1. Debra AharonNew York, NY1467849687
  2. Michael Alper, M.D.Syracuse, NY1164469797
  3. Ruchi Amin, M.D.Brooklyn, NY1649634288
  4. Hussein Amin Salem, MDHartsdale, NY1609045194
  5. William Anyaegbunam, MDClifton Park, NY1699772624
  6. Shawky Badawy, MDSyracuse, NY1104860352
  7. David Barad, M.D.New York, NY1508959628
  8. Joel Batzofin, M.D.New York, NY1518978253
  9. Arielle Bayer, M.D.New York, NY1548641863
  10. Rachel Bennett, M.D.Mount Kisco, NY1114010469

Common questions

What is Martin David Keltz, M.D.'s NPI number?

Martin David Keltz, M.D.'s National Provider Identifier (NPI) is 1750381877, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Martin David Keltz, M.D. located?

The NPPES record lists a practice address at 3030 Westchester Ave, Purchase, NY, 10577. Phone: (914) 848-8800. Providers update this record themselves, so call before visiting.

How can I verify Martin David Keltz, M.D.'s license?

NPPES lists New York license number 185223-1, 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 David Keltz, M.D. prescribe under Medicare Part D?

In 2024, Martin David Keltz, M.D. had 15 Medicare Part D claims; the average among reproductive endocrinology physician prescribers was 82. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.