Isaac Namdar, M.D.
Specialist · New York, NY
Isaac Namdar, M.D. is a specialist with a practice address in New York, New York, and NPI 1326132986, issued on Oct 3, 2006. Check the license (New York A201725-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaac Namdar
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A201725-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 425 W 59TH St, New York, NY 10019
- Phone
- (212) 262-4444
- Enumerated
- Oct 3, 2006
- Record last updated
- Aug 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (212) 523-8165
- Medicaid ID
- 02078935 NY
- Medicare enrollment
- Enrolled (PECOS I20080712000083); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Also registered at 425 W 59TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac Namdar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license A201725-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average specialist in 2024
743 Medicare Part D claims for 299 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Fluticasone Propionate198 claims
- Mometasone Furoate91 claims
- Omeprazole57 claims
- Ipratropium Bromide49 claims
- Mupirocin31 claims
- Azelastine Hcl29 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Namdar among 22,636 specialist records in New York
Isaac Namdar, M.D. is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 92% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated1994 · median 1990 among the 943 with a school on file
- Record last updated2008 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,896 specialist records list a practice address in New York
They are 1,896 of the 98,468 NPPES records with a practice address in New York, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in New York → Specialist nationwide →
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Common questions
What is Isaac Namdar, M.D.'s NPI number?
Isaac Namdar, M.D.'s National Provider Identifier (NPI) is 1326132986, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Namdar, M.D. located?
The NPPES record lists a practice address at 425 W 59TH St, New York, NY, 10019. Phone: (212) 262-4444. Providers update this record themselves, so call before visiting.
How can I verify Isaac Namdar, M.D.'s license?
NPPES lists New York license number A201725-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Isaac Namdar, M.D. prescribe under Medicare Part D?
In 2024, Isaac Namdar, M.D. had 743 Medicare Part D claims for 299 beneficiaries; the average among specialist prescribers was 1,380. 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.
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.