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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OC GASTROCARE
NPI 1881032282
Internal Medicine - Gastroenterology in Anaheim, CA

Active since June 06, 2013CLIA Certified · 2 labs
100 S ANAHEIM BLVD STE 250, ANAHEIM, CA 92805(714) 527-6000(714) 527-2371 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 20, 2026, Jan 7, 2026, Dec 12, 2025 and 8 more (11 updates tracked since 2024).

About Oc Gastrocare NPPES

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

OC GASTROCARE (NPI 1881032282) is a healthcare organization registered as a gastroenterology in Anaheim, California and active in the NPI registry since June 2013. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Brea, and lists Dick M Yip, Physician, as its authorized official.

NPPES Registry Identity

NPI1881032282
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameOC GASTROCARE
Location Address100 S ANAHEIM BLVD STE 250Anaheim, CA 92805-3872
Mailing Address100 S Anaheim Blvd Ste 250Anaheim, CA 92805-3872 · (714) 527-6000 · Fax (714) 527-2371
Phone(714) 527-6000
Fax(714) 527-2371
Organization SubpartNo
Authorized OfficialDick M YipPhysician · (714) 527-6000
Enumeration DateJune 6, 2013
Last NPPES UpdateJuly 20, 202611 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1881032282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
100 S ANAHEIM BLVD STE 250, Anaheim, CA 92805
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Secondary Practice Location 1

Location 1955 W Imperial Hwy Ste 100Brea, CA 92821-3814 · Phone (714) 527-6000 · Fax (714) 527-2371

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 2

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 Compliance 05D2330326

Oc Gastrocare · Anaheim, CA
Active · expires Sep 14, 2027
CLIA Number05D2330326
Laboratory TypeIndependent
Certificate Effective DateSeptember 15, 2025
Certificate Expiration DateSeptember 14, 2027
Laboratory DirectorRana Richeh
Laboratory Phone(714) 527-6000
Laboratory LocationOc Gastrocare100 Anaheim Blvd Ste 250, Anaheim, CA 92805
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Waiver 05D2047816

Oc Gastrocare · Anaheim, CA
Active · expires Oct 2, 2026
CLIA Number05D2047816
Laboratory TypePhysician Office
Certificate Effective DateOctober 3, 2024
Certificate Expiration DateOctober 2, 2026
Laboratory DirectorJason S. Yip, MD
Laboratory Phone(714) 527-6000
Laboratory LocationOc Gastrocare408 S. Beach Blvd, Suite 211 - 212, Anaheim, CA 92804
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 9

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

RICHARD DICK M YIP MD A MEDICAL CORP
Internal Medicine (Gastroenterology)
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
YUME TATEO PA-C
Physician Assistant
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
DR. JASON STEPHEN YIP M.D.
Internal Medicine (Gastroenterology)
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
MRS. AIMEE JAQUELYN PEREZ PA-C
Physician Assistant
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
MRS. TIEN THUY PHAN TRUONG PHYSICIAN ASSISTANT
Physician Assistant
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
JOANE ALONSO PA
Physician Assistant
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
DR. AMIT BHANVADIA M.D.
Internal Medicine (Gastroenterology)
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000
DR. ERICA ST LAWRENCE MD
Internal Medicine (Gastroenterology)
100 S ANAHEIM BLVD STE 250
ANAHEIM, CA 92805
Orange County (714) 527-6000

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 Oc Gastrocare's NPI number?

The NPI number for Oc Gastrocare is 1881032282. It was assigned to this organization in the NPPES registry on June 6, 2013.

Where is Oc Gastrocare located?

Oc Gastrocare is located at 100 S Anaheim Blvd Ste 250, Anaheim, CA 92805. The listed phone number is (714) 527-6000.

What is Oc Gastrocare's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Oc Gastrocare hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Oc Gastrocare was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.