Marc Rubenstein, M.D
NPI 1649298951 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Rubenstein, M.D is a Internal Medicine Physician provider in New York, NY (NPI 1649298951).
Provider details
- NPI number
- 1649298951
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 104676-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 46 | 25 |
| Amlodipine Besylate | 25 | 16 |
| Lisinopril | 22 | 13 |
| Metformin Hcl | 20 | — |
| Losartan Potassium | 15 | — |
| Metoprolol Succinate | 15 | — |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marc Rubenstein's NPI number?
- Marc Rubenstein's National Provider Identifier (NPI) is 1649298951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Rubenstein's specialty?
- Marc Rubenstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Rubenstein located?
- Marc Rubenstein's practice location on file with NPPES is 110 W 97th St, New York, NY 10025-6450.
- What is Marc Rubenstein's phone number?
- The practice phone number listed in the NPPES registry for Marc Rubenstein is (212) 316-7923.
- Does Marc Rubenstein accept Medicare?
- Marc Rubenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Rubenstein's NPI active?
- Yes — Marc Rubenstein's NPI (1649298951) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.