Alexander Matelski, MD
NPI 1437786902 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Matelski, MD is a Internal Medicine Physician provider in New York, NY (NPI 1437786902).
Provider details
- NPI number
- 1437786902
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 338289 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2026-01-12
- Certified
- 2026-01-12
Frequently asked questions
- What is Alexander Matelski's NPI number?
- Alexander Matelski's National Provider Identifier (NPI) is 1437786902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Matelski's specialty?
- Alexander Matelski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Matelski located?
- Alexander Matelski's practice location on file with NPPES is 1468 Madison Ave, New York, NY 10029-6508.
- What is Alexander Matelski's phone number?
- The practice phone number listed in the NPPES registry for Alexander Matelski is (212) 241-6500.
- Does Alexander Matelski accept Medicare?
- Alexander Matelski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Matelski's NPI active?
- Yes — Alexander Matelski's NPI (1437786902) is active in the NPPES registry as of the last update on 2026-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.