Nancy Feiman Kahn, M.D.
Internal Medicine Physician · New York, NY
Nancy Feiman Kahn, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1649345299, issued on Nov 21, 2006. Check the license (New York 149800, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nancy Feiman Kahn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 149800 NY
Self-reported in NPPES; status is on the state search - Practice location
- 161 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-1020
- Enumerated
- Nov 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00786365 NY
- Medicare enrollment
- Enrolled (PECOS I20040726001155); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1980
- Telehealth
- Offers telehealth (CMS)
- 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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- Julian Abrams, M.D.Gastroenterology Physician1669494746
- Alex Addo, MDSurgery Physician1841685054
- Aradhna AgarwalRheumatology Physician1669009312
- Christopher Ahmad, MDOrthopaedic Surgery Physician1598795445
Verify Nancy Feiman Kahn 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 149800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,960 Medicare Part D claims for 252 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Atorvastatin Calcium167 claims
- Hydrochlorothiazide154 claims
- Amlodipine Besylate126 claims
- Levothyroxine Sodium98 claims
- Losartan Potassium84 claims
- Metformin Hcl63 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).
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Feiman Kahn among 12,067 internal medicine physician records in New York
Nancy Feiman Kahn, 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 fileYes · 60% of these records are
- Graduated1980 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
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- Andrew Kanter, M.D., M.P.H.New York, NY 100321366544660
- Ian Kronish, MDNew York, NY 100321073542866
- Roy Lackey, MDNew York, NY 100321578571469
Common questions
What is Nancy Feiman Kahn, M.D.'s NPI number?
Nancy Feiman Kahn, M.D.'s National Provider Identifier (NPI) is 1649345299, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Feiman Kahn, M.D. located?
The NPPES record lists a practice address at 161 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-1020. Providers update this record themselves, so call before visiting.
How can I verify Nancy Feiman Kahn, M.D.'s license?
NPPES lists New York license number 149800, 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 Nancy Feiman Kahn, M.D. prescribe under Medicare Part D?
In 2024, Nancy Feiman Kahn, M.D. had 1,960 Medicare Part D claims for 252 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy Feiman Kahn, 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.