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GASTRO-DIGESTIVE MEDICAL GROUP
NPI 1255423976
Internal Medicine - Gastroenterology in Downey, CA

Active since September 29, 2006
11480 BROOKSHIRE AVENUE, #308, DOWNEY, CA 90241(562) 862-3656(562) 862-2948 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Gastro-digestive Medical Group NPPES

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

GASTRO-DIGESTIVE MEDICAL GROUP (NPI 1255423976) is a healthcare organization registered as a gastroenterology in Downey, California and active in the NPI registry since September 2006. The organization lists Sushil K Ojha, Partner, as its authorized official.

NPPES Registry Identity

NPI1255423976
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTRO-DIGESTIVE MEDICAL GROUP
Location Address11480 BROOKSHIRE AVENUE, #308Downey, CA 90241-5020
Mailing Address11480 Brookshire Avenue, #308Downey, CA 90241-5020 · (562) 862-3656 · Fax (562) 862-2948
Phone(562) 862-3656
Fax(562) 862-2948
Organization SubpartNo
Authorized OfficialSushil K OjhaPartner · (310) 346-6525
Enumeration DateSeptember 29, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1255423976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal MedicineTaxonomy 207R00000X
11480 BROOKSHIRE AVENUE, Downey, CA 90241
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Other Identifiers 1

MedicaidGR0094710CA

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 MULTIPLE 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)

Gastro-digestive Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Gastro-Digestive Medical Group, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Sushil Ojha, MD
Gastroenterology
NPI 1053377093
11480 BROOKSHIRE AVENUE SUITE 308
Downey, CA 90241
(562) 862-3656
✔ PECOSSame address
Marilyn Rosca, NURSE PRACTITIONER
Nurse Practitioner
NPI 1194177188
12234 RENVILLE ST
Lakewood, CA 90715
(562) 228-6346
✔ PECOS✔ Accepts Medicare7.2 mi
Michael Blam, MD
Gastroenterology
NPI 1801877733
2925 PALO VERDE AVE
Long Beach, CA 90815
(562) 429-2473
✔ PECOS8.8 mi
Krunal Shah
Nurse Practitioner
NPI 1164241923
1781 S CAMPTON AVE UNIT 312
Anaheim, CA 92805
(858) 603-5905
✔ PECOS✔ Accepts Medicare16 mi
Hemant Pande, M.D.
Gastroenterology
NPI 1548306483
4955 VAN NUYS BLVD SUITE #502
Sherman Oaks, CA 91403
(818) 325-0200
✔ PECOS24 mi
Ludivina De Dios-Del Mundo, NP
Nurse Practitioner
NPI 1699437939
9481 PITTSBURGH AVE STE 200
Rancho Cucamonga, CA 91730
(909) 655-0300
✔ PECOS✔ Accepts Medicare35 mi

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 Gastro-Digestive Medical Group's NPI number?

The NPI number for Gastro-Digestive Medical Group is 1255423976. It was assigned to this organization in the NPPES registry on September 29, 2006.

Where is Gastro-Digestive Medical Group located?

Gastro-Digestive Medical Group is located at 11480 Brookshire Avenue #308, Downey, CA 90241. The listed phone number is (562) 862-3656.

What is Gastro-Digestive Medical Group's specialty?

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

Is Gastro-Digestive Medical Group enrolled in Medicare?

Yes. Gastro-Digestive Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastro-Digestive Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Gastro-Digestive Medical Group. 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. The largest specialties are Gastroenterology (3) and Nurse Practitioner (3). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gastro-Digestive Medical Group was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.