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GREGORIO D. ABAD-SANTOS INC
NPI 1891118048
Pediatrics in Fountain Valley, CA

Active since January 23, 2014CLIA 05D1084990 · Waiver
11100 WARNER AVE, SUITE 352, FOUNTAIN VALLEY, CA 92708(714) 966-0860 Get Directions Write a Review

NPPES record last updated: January 23, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregorio D. Abad-santos Inc NPPES

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

GREGORIO D. ABAD-SANTOS INC (NPI 1891118048) is a healthcare organization registered as a pediatrics in Fountain Valley, California and active in the NPI registry since January 2014. The organization holds a CLIA Waiver certificate valid through June 8, 2028 and lists Gregorio Abad-santos, Owner, as its authorized official.

NPPES Registry Identity

NPI1891118048
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameGREGORIO D. ABAD-SANTOS INC
Location Address11100 WARNER AVE, SUITE 352Fountain Valley, CA 92708-7506
Mailing Address11100 Warner Ave, Suite 352Fountain Valley, CA 92708-7506 · (714) 966-0860
Phone(714) 966-0860
Organization SubpartNo
Authorized OfficialGregorio Abad-santosOwner · (714) 966-0860
Enumeration DateJanuary 23, 2014
✔ NPI 1891118048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A42068
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
11100 WARNER AVE, Fountain Valley, CA 92708
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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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1084990

Gregorio D Abad-Santos, A Professional Corporation · Fountain Valley, CA
Active · expires Jun 8, 2028
CLIA Number05D1084990
Laboratory TypePhysician Office
Certificate Effective DateJune 9, 2026
Certificate Expiration DateJune 8, 2028
Laboratory DirectorGregorio D. Abad-Santos MD
Laboratory Phone(714) 966-0860
Laboratory LocationGregorio D Abad-Santos, A Professional Corporation11100 Warner Ave Ste 352, Fountain Valley, CA 92708
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SAJEET SINGH SAWHNEY M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
DR. ROBERT ALLAN DEVEREAUX MD
Family Medicine
11100 WARNER AVE, STE 100
FOUNTAIN VALLEY, CA 92708
Orange County (714) 957-9389
DR. VIJAYALAKSHMI WIJEYAKUMAR M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 212
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
PLATINUM MEDICAL CARE
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
FOUNTAIN VALLEY REGIONAL HOSPITAL AND MEDICAL CENTER
Pharmacist (Pharmacotherapy)
11100 WARNER AVE, SUITE 318
FOUNTAIN VALLEY, CA 92708
Orange County (714) 966-7217
SELECT HEALTHCARE SYSTEM, A MEDICAL CORPORATION
Health Maintenance Organization
11100 WARNER AVE, SUITE 152
FOUNTAIN VALLEY, CA 92708
Orange County (714) 343-7575
MRS. TOQUYNH DINH KIEU M.D.
Pediatrics
11100 WARNER AVE, SUITE # 116
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-0850
DR. AJIT SINGH SAWHNEY M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 212
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696

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 Gregorio D. Abad-Santos Inc's NPI number?

The NPI number for Gregorio D. Abad-Santos Inc is 1891118048. It was assigned to this organization in the NPPES registry on January 23, 2014.

Where is Gregorio D. Abad-Santos Inc located?

Gregorio D. Abad-Santos Inc is located at 11100 Warner Ave Suite 352, Fountain Valley, CA 92708. The listed phone number is (714) 966-0860.

What is Gregorio D. Abad-Santos Inc's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Gregorio D. Abad-Santos Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1084990) is associated with this NPI, valid through June 8, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gregorio D. Abad-Santos Inc was last updated on January 23, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.