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Marvin Belsky, M.D.
NPI 1700113099 · Internal Medicine Physician · New York, NY
Marvin Belsky, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1700113099).
Provider details
- NPI number
- 1700113099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 073312 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
290 W End Ave
New York, NY 10023-8106
Phone: (212) 787-5577
Fax: (212) 787-2077
Street-level locationGet directions
Mailing address
290 W End Ave
New York, NY 10023-8106
Registry dates
- Enumerated
- 2009-11-08
- Last updated
- 2023-03-07
Frequently asked questions
- What is Marvin Belsky's NPI number?
- Marvin Belsky's National Provider Identifier (NPI) is 1700113099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Belsky's specialty?
- Marvin Belsky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Belsky located?
- Marvin Belsky's practice location on file with NPPES is 290 W End Ave, New York, NY 10023-8106.
- What is Marvin Belsky's phone number?
- The practice phone number listed in the NPPES registry for Marvin Belsky is (212) 787-5577.
- Is Marvin Belsky's NPI active?
- Yes — Marvin Belsky's NPI (1700113099) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.