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GASTROENTEROLOGY MEDICAL OF LOS ANGELES INC
NPI 1528459385
Internal Medicine - Gastroenterology in Monterey Park, CA

Active since February 13, 2015CLIA 05D2117533 · Certificate of Compliance
850 S ATLANTIC BLVD, SUITE 101, MONTEREY PARK, CA 91754(626) 284-1350(626) 284-2454 Get Directions Write a Review

NPPES record last updated: December 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 7, 2020, Mar 17, 2018, Dec 21, 2017 (3 updates tracked since 2017).

About Gastroenterology Medical Of Los Angeles Inc NPPES

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

GASTROENTEROLOGY MEDICAL OF LOS ANGELES INC (NPI 1528459385) is a healthcare organization registered as a gastroenterology in Monterey Park, California and active in the NPI registry since February 2015. The organization holds a CLIA Certificate of Compliance certificate valid through May 24, 2027, maintains 2 additional practice locations, and lists Fernando Ibarra, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1528459385
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY MEDICAL OF LOS ANGELES INC
Location Address850 S ATLANTIC BLVD, SUITE 101Monterey Park, CA 91754-6700
Mailing Address850 S Atlantic Blvd, Suite 101Monterey Park, CA 91754-6700 · (626) 284-1350 · Fax (626) 284-2454
Phone(626) 284-1350
Fax(626) 284-2454
Organization SubpartNo
Authorized OfficialFernando IbarraOwner/president · (626) 284-1350
Enumeration DateFebruary 13, 2015
Last NPPES UpdateDecember 7, 20203 updates tracked since enumeration
NPPES CertifiedDecember 5, 2020
✔ NPI 1528459385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A38493
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.
850 S ATLANTIC BLVD, Monterey Park, CA 91754
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13400 E Florence Ave Ste AHuntington Park, CA 90255-5835 · Phone (626) 284-1736
Location 21828 E Cesar Chavez Ave, Suite 6200Los Angeles, CA 90033-2585 · Phone (626) 284-1736

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastroenterology Medical Of Los Angeles Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Gastroenterology Medical Of Los Angeles Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Fernando Ibarra, MD
Gastroenterology
NPI 1013082726
850 S ATLANTIC BLVD SUITE # 101
Monterey Park, CA 91754
(626) 284-1350
✔ PECOS✔ Accepts MedicareSame address
Nazarica Ricafrente
Nurse Practitioner
NPI 1427435395
850 S ATLANTIC BLVD SUITE 101
Monterey Park, CA 91754
(626) 284-1350
✔ PECOS✔ Accepts MedicareSame address
Mohammad Kamal, M.D.
Pathology
NPI 1811170400
968 S FAIR OAKS AVE
Pasadena, CA 91105
(626) 744-5339
✔ PECOS✔ Accepts Medicare5.5 mi
Sarah Daley
Pathology
NPI 1053855288
10833 LE CONTE AVE # AS-462
Los Angeles, CA 90095
(310) 267-2680
✔ PECOS✔ Accepts Medicare18 mi

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

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 Compliance 05D2117533

Gastroenterology Associates Of Los Angeles · Monterey Park, CA
Active · expires May 24, 2027
CLIA Number05D2117533
Laboratory TypePhysician Office
Certificate Effective DateMay 25, 2025
Certificate Expiration DateMay 24, 2027
Laboratory DirectorMaria Olvera
Laboratory Phone(626) 284-1736
Laboratory LocationGastroenterology Associates Of Los Angeles850 S Atlantic Blvd, Ste 101, Monterey Park, CA 91754
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Gastroenterology Medical Of Los Angeles Inc's NPI number?

The NPI number for Gastroenterology Medical Of Los Angeles Inc is 1528459385. It was assigned to this organization in the NPPES registry on February 13, 2015.

Where is Gastroenterology Medical Of Los Angeles Inc located?

Gastroenterology Medical Of Los Angeles Inc is located at 850 S Atlantic Blvd Suite 101, Monterey Park, CA 91754. The listed phone number is (626) 284-1350.

What is Gastroenterology Medical Of Los Angeles Inc's specialty?

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

Is Gastroenterology Medical Of Los Angeles Inc enrolled in Medicare?

Yes. Gastroenterology Medical Of Los Angeles Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Medical Of Los Angeles Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Gastroenterology Medical Of Los Angeles Inc, in Gastroenterology, Nurse Practitioner and Pathology. 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. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology Medical Of Los Angeles Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D2117533) is associated with this NPI, valid through May 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gastroenterology Medical Of Los Angeles Inc was last updated on December 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.