Anthony Grandelis, MD
NPI 1265966550 · Obstetrics & Gynecology Physician · New York, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Grandelis, MD is a Obstetrics & Gynecology Physician provider in New York, NY (NPI 1265966550).
Provider details
- NPI number
- 1265966550
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0065863 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-04-13
- Last updated
- 2023-03-15
- Certified
- 2023-03-15
Frequently asked questions
- What is Anthony Grandelis's NPI number?
- Anthony Grandelis's National Provider Identifier (NPI) is 1265966550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Grandelis's specialty?
- Anthony Grandelis is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Grandelis located?
- Anthony Grandelis's practice location on file with NPPES is 5141 Broadway Rm 1rw-097, New York, NY 10034-1159.
- What is Anthony Grandelis's phone number?
- The practice phone number listed in the NPPES registry for Anthony Grandelis is (212) 932-4200.
- Does Anthony Grandelis accept Medicare?
- Anthony Grandelis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Grandelis's NPI active?
- Yes — Anthony Grandelis's NPI (1265966550) is active in the NPPES registry as of the last update on 2023-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.