Bruce Grill, MD
NPI 1649347584 · Pediatric Gastroenterology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bruce Grill, MD is a Pediatric Gastroenterology Physician provider in Fontana, CA (NPI 1649347584).
Provider details
- NPI number
- 1649347584
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G48011 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
2 documented practice locations
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
Additional practice locations (1)
- 1100 Van Ness Ave Fl 7San Francisco, CA 94109-6978Phone: (844) 733-2762
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Bruce Grill's NPI number?
- Bruce Grill's National Provider Identifier (NPI) is 1649347584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bruce Grill's specialty?
- Bruce Grill is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Bruce Grill located?
- Bruce Grill's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Bruce Grill's phone number?
- The practice phone number listed in the NPPES registry for Bruce Grill is (909) 427-3910.
- Does Bruce Grill accept Medicare?
- Bruce Grill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bruce Grill's NPI active?
- Yes — Bruce Grill's NPI (1649347584) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.