Franklin Marsh, M.D.
NPI 1376622183 · Geriatric Medicine (Internal Medicine) Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Franklin Marsh, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in New York, NY (NPI 1376622183).
Provider details
- NPI number
- 1376622183
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 141475 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
31 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 20 | $7 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 11 | $278 |
Typical Medicare-allowed amounts for these services range $7–$278 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 53 | 17 |
| Atorvastatin Calcium | 50 | 16 |
| Levothyroxine Sodium | 31 | 11 |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 29 | 11 |
| Lisinopril | 27 | — |
| Simvastatin | 23 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2019-10-11
Frequently asked questions
- What is Franklin Marsh's NPI number?
- Franklin Marsh's National Provider Identifier (NPI) is 1376622183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Franklin Marsh's specialty?
- Franklin Marsh is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Franklin Marsh located?
- Franklin Marsh's practice location on file with NPPES is 342 E 67th St, New York, NY 10065-6238.
- What is Franklin Marsh's phone number?
- The practice phone number listed in the NPPES registry for Franklin Marsh is (212) 288-8820.
- Does Franklin Marsh accept Medicare?
- Franklin Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Franklin Marsh's NPI active?
- Yes — Franklin Marsh's NPI (1376622183) is active in the NPPES registry as of the last update on 2019-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.