Franklin Marsh, M.D.
Geriatric Medicine (Internal Medicine) Physician · New York, NY
Franklin Marsh, M.D. is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1376622183, issued on Nov 3, 2006. Check the license (New York 141475, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Franklin Marsh
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 141475 NY
Self-reported in NPPES; status is on the state search - Practice location
- 342 E 67TH St, New York, NY 10065
- Phone
- (212) 288-8820
- Enumerated
- Nov 3, 2006
- Record last updated
- Oct 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (212) 744-9020
- Medicaid ID
- 00843196 NY
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Also registered at 342 E 67TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Franklin Marsh 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 141475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
593 Medicare Part D claims for 79 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate53 claims
- Atorvastatin Calcium50 claims
- Levothyroxine Sodium31 claims
- Triamterene-Hydrochlorothiazid29 claims
- Lisinopril27 claims
- Simvastatin23 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.
Franklin Marsh among 508 geriatric medicine (internal medicine) physician records in New York
Franklin Marsh, M.D. is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2019 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in New York → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Ronald Adelman, MDNew York, NY 100651356438444
- Koshy Alexander, M.D.New York, NY 100651922190602
- Randi Diamond, M.D.New York, NY 100651700946472
- Elizabeth Doll, MDNew York, NY 100651265174718
- Emily Fessler, MDNew York, NY 100651821450552
- Emily Finkelstein, MDNew York, NY 100651508023573
- Alexander JordanNew York, NY 100651871121715
- Veerawat Phongtankuel, M.D.New York, NY 100651841426715
Common questions
What is Franklin Marsh, M.D.'s NPI number?
Franklin Marsh, M.D.'s National Provider Identifier (NPI) is 1376622183, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Franklin Marsh, M.D. located?
The NPPES record lists a practice address at 342 E 67TH St, New York, NY, 10065. Phone: (212) 288-8820. Providers update this record themselves, so call before visiting.
How can I verify Franklin Marsh, M.D.'s license?
NPPES lists New York license number 141475, 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 Franklin Marsh, M.D. prescribe under Medicare Part D?
In 2024, Franklin Marsh, M.D. had 593 Medicare Part D claims for 79 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.