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Gregory Grunberg, MD
NPI 1770607053 · Internal Medicine Physician · Bronx, NY
Gregory Grunberg, MD is a Internal Medicine Physician provider in Bronx, NY (NPI 1770607053).
Provider details
- NPI number
- 1770607053
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 228689 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
111 East 210th St. Red Zone
Mmc - Dept. of Medicine
Bronx, NY 10467
Phone: (718) 920-6264
Street-level locationGet directions
Mailing address
7 Stuyvesant Oval
New York, NY 10009-1901
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Grunberg's NPI number?
- Gregory Grunberg's National Provider Identifier (NPI) is 1770607053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grunberg's specialty?
- Gregory Grunberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Grunberg located?
- Gregory Grunberg's practice location on file with NPPES is 111 East 210th St. Red Zone, Bronx, NY 10467.
- What is Gregory Grunberg's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grunberg is (718) 920-6264.
- Is Gregory Grunberg's NPI active?
- Yes — Gregory Grunberg's NPI (1770607053) 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.