WARREN REGH C. GABRILLO III M.D. INC.
NPI 1962622803
Family Medicine in Upland, CA

Q: What is Warren Regh C. Gabrillo III M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since April 25, 2007

631 N 13TH AVE, A, UPLAND, CA 91786(909) 982-2088(909) 982-2058 Get Directions Write a Review

NPPES record last updated: February 3, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Warren Regh C. Gabrillo Iii M.d. Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WARREN REGH C. GABRILLO III M.D. INC. (NPI 1962622803) is a healthcare organization registered as a family medicine in Upland, California and active in the NPI registry since April 2007. The organization lists Warren Regh Camotes Gabrillo, President, as its authorized official.

NPPES Registry Identity

NPI1962622803

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameWARREN REGH C. GABRILLO III M.D. INC.

Location Address631 N 13TH AVE, AUpland, CA 91786-4946

Mailing Address631 N 13th Ave, AUpland, CA 91786-4946 · (909) 982-2088 · Fax (909) 982-2058

Phone(909) 982-2088

Fax(909) 982-2058

Organization SubpartNo

Authorized OfficialWarren Regh Camotes GabrilloPresident · (909) 982-2088

Enumeration DateApril 25, 2007

Last NPPES UpdateFebruary 3, 2010

✔ NPI 1962622803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A51794

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

631 N 13TH AVE, Upland, CA 91786

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified00A517940CA

Medicare UPING14231CA

MedicaidA517941CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Warren Regh C. Gabrillo Iii M.d. Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20080130000401Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Warren Regh C. Gabrillo III M.D. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Warren Gabrillo, M.D.

Family Practice

NPI 1982689295

631 N 13TH AVE A
Upland, CA 91786

(909) 982-2088

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Warren Regh C. Gabrillo III M.D. Inc.'s NPI number?

The NPI number for Warren Regh C. Gabrillo III M.D. Inc. is 1962622803. It was assigned to this organization in the NPPES registry on April 25, 2007.

Where is Warren Regh C. Gabrillo III M.D. Inc. located?

Warren Regh C. Gabrillo III M.D. Inc. is located at 631 N 13th Ave A, Upland, CA 91786. The listed phone number is (909) 982-2088.

What is Warren Regh C. Gabrillo III M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Warren Regh C. Gabrillo III M.D. Inc. enrolled in Medicare?

Yes. Warren Regh C. Gabrillo III M.D. Inc. is registered in the Medicare PECOS enrollment system.

When is Warren Regh C. Gabrillo III M.D. Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Warren Regh C. Gabrillo III M.D. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Warren Regh C. Gabrillo III M.D. Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Warren Regh C. Gabrillo III M.D. Inc. was last updated on February 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.