Warren Regh C. Gabrillo III M.D. Inc.
NPI 1962622803 · Family Medicine Physician · Upland, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Regh C. Gabrillo III M.D. Inc. is a Family Medicine Physician organization in Upland, CA (NPI 1962622803).
Provider details
- NPI number
- 1962622803
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Warren Regh Gabrillo, President(909) 982-2088
- License
- A51794 (CA)
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
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
Mailing address
Registry dates
- Enumerated
- 2007-04-25
- Last updated
- 2010-02-03
Frequently asked questions
- What is Warren Regh C. Gabrillo III M.D. Inc.'s NPI number?
- Warren Regh C. Gabrillo III M.D. Inc.'s National Provider Identifier (NPI) is 1962622803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Warren Regh C. Gabrillo III M.D. Inc.?
- Warren Regh C. Gabrillo III M.D. Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Regh C. Gabrillo III M.D. Inc. located?
- Warren Regh C. Gabrillo III M.D. Inc.'s practice location on file with NPPES is 631 N 13th Ave, Upland, CA 91786-4946.
- What is Warren Regh C. Gabrillo III M.D. Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Warren Regh C. Gabrillo III M.D. Inc. is (909) 982-2088.
- Does Warren Regh C. Gabrillo III M.D. Inc. accept Medicare?
- Warren Regh C. Gabrillo III M.D. Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Warren Regh C. Gabrillo III M.D. Inc.?
- The authorized official listed on Warren Regh C. Gabrillo III M.D. Inc.'s NPPES record is Warren Regh Gabrillo, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Warren Regh C. Gabrillo III M.D. Inc.'s NPI active?
- Yes — Warren Regh C. Gabrillo III M.D. Inc.'s NPI (1962622803) is active in the NPPES registry as of the last update on 2010-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.