Seth David Feltheimer, M.D.
Internal Medicine Physician · New York, NY
Seth David Feltheimer, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1043387632, issued on Nov 29, 2006. Check the license (New York 159763, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Seth David Feltheimer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 159763 NY
Self-reported in NPPES; status is on the state search - Practice location
- 161 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-8669
- Enumerated
- Nov 29, 2006
- Record last updated
- Aug 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00890491 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 161 Fort Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Seth David Feltheimer 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 159763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
401 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Levothyroxine Sodium32 claims
- Losartan Potassium30 claims
- Atorvastatin Calcium25 claims
- Metoprolol Succinate23 claims
- Amlodipine Besylate21 claims
- Furosemide21 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Seth David Feltheimer among 12,067 internal medicine physician records in New York
Seth David Feltheimer, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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Common questions
What is Seth David Feltheimer, M.D.'s NPI number?
Seth David Feltheimer, M.D.'s National Provider Identifier (NPI) is 1043387632, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Seth David Feltheimer, M.D. located?
The NPPES record lists a practice address at 161 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-8669. Providers update this record themselves, so call before visiting.
How can I verify Seth David Feltheimer, M.D.'s license?
NPPES lists New York license number 159763, 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 Seth David Feltheimer, M.D. prescribe under Medicare Part D?
In 2024, Seth David Feltheimer, M.D. had 401 Medicare Part D claims for 96 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Seth David Feltheimer, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.