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SAN BERNARDINO GASTROENTEROLOGY ASSOCIATES INC.
NPI 1265982375
Internal Medicine - Gastroenterology in Redlands, CA

Active since October 12, 2016
375 TERRACINA BLVD, REDLANDS, CA 92373(909) 644-4063(909) 335-1911 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 4, 2026, Jul 21, 2022, Mar 17, 2018 and 2 more (5 updates tracked since 2016).

About San Bernardino Gastroenterology Associates Inc. NPPES

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

SAN BERNARDINO GASTROENTEROLOGY ASSOCIATES INC. (NPI 1265982375) is a healthcare organization registered as a gastroenterology in Redlands, California and active in the NPI registry since October 2016. The organization maintains a secondary practice location in Rialto and lists Kumararvelu Balasubramaniam, Owner, as its authorized official.

NPPES Registry Identity

NPI1265982375
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameSAN BERNARDINO GASTROENTEROLOGY ASSOCIATES INC.
Location Address375 TERRACINA BLVDRedlands, CA 92373-3801
Mailing Address2006 N Riverside Ave, Ste BRialto, CA 92377-4696 · (909) 881-3032 · Fax (909) 881-0668
Phone(909) 644-4063
Fax(909) 335-1911
Organization SubpartNo
Authorized OfficialKumararvelu BalasubramaniamOwner · (909) 881-3032
Enumeration DateOctober 12, 2016
Last NPPES UpdateMay 4, 20265 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
✔ NPI 1265982375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed · A447160
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.
375 TERRACINA BLVD, Redlands, CA 92373
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Secondary Practice Location 1

Location 12006 N Riverside Ave, STE BRialto, CA 92377-4696 · Phone (909) 881-3032 · Fax (909) 881-0668

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)

San Bernardino Gastroenterology Associates Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to San Bernardino Gastroenterology Associates Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Gastroenterology5
Internal Medicine3
Certified Registered Nurse Anesthetist (CRNA)1
Pathology1

Clinicians, nearest first (10)

George Saffouri, MD
Gastroenterology
NPI 1962766907
375 TERRACINA BLVD
Redlands, CA 92373
(909) 644-4063
✔ PECOS✔ Accepts MedicareSame address
Sunny Sircar, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1205199650
7114 HIDDEN CT
Highland, CA 92346
(909) 227-5139
✔ Accepts Medicare6.6 mi
Kumaravelu Balasubramaniam, MD
Gastroenterology
NPI 1134184708
2006 N RIVERSIDE AVE STE B
Rialto, CA 92377
(909) 881-3032
✔ PECOS✔ Accepts Medicare12 mi
Carlos Buitrago, MD
Gastroenterology
NPI 1710481445
2006 N RIVERSIDE AVE STE B
Rialto, CA 92377
(909) 644-4063
✔ PECOS✔ Accepts Medicare12 mi
Karen Chang, DO
Internal Medicine
NPI 1861855439
2006 N RIVERSIDE AVE STE B
Rialto, CA 92377
(909) 644-4035
✔ PECOS✔ Accepts Medicare12 mi
Victor Guharoy, MD
Gastroenterology
NPI 1306259114
2006 N RIVERSIDE AVE
Rialto, CA 92377
(909) 644-4033
✔ PECOS✔ Accepts Medicare12 mi
Anas Kawayeh, M.D.
Internal Medicine
NPI 1821296591
2006 N RIVERSIDE AVE STE A
Rialto, CA 92377
(909) 883-2999
✔ PECOS✔ Accepts Medicare12 mi
Harold Paredes, MD
Gastroenterology
NPI 1447592969
100 UCLA MEDICAL PLAZA SUITE 205
Los Angeles, CA 90095
(310) 208-5400
✔ PECOS✔ Accepts Medicare71 mi
Wenjiang Chu, M.D.
Pathology
NPI 1083803860
2601 34TH ST
Santa Monica, CA 90405
(310) 923-8616
✔ PECOS✔ Accepts Medicare72 mi
Onpan Cheung, M.D., M.P.H.
Internal Medicine
NPI 1639195746
5016 US HWY 75
Denison, TX 75020
(903) 416-6389
✔ PECOS✔ Accepts Medicare1,184 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 05D2170603

San Bernardino Gastroenterology · Rialto, CA
Expired · Oct 13, 2026
CLIA Number05D2170603
Laboratory TypePhysician Office
Certificate Effective DateOctober 14, 2024
Certificate Expiration DateOctober 13, 2026
Laboratory DirectorEllie Lekov
Laboratory Phone(909) 883-2999
Laboratory LocationSan Bernardino Gastroenterology2006 N Riverside Ave, Ste C, Rialto, CA 92377
CLIA data matches this NPI record on: Address Name
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 San Bernardino Gastroenterology Associates Inc.'s NPI number?

The NPI number for San Bernardino Gastroenterology Associates Inc. is 1265982375. It was assigned to this organization in the NPPES registry on October 12, 2016.

Where is San Bernardino Gastroenterology Associates Inc. located?

San Bernardino Gastroenterology Associates Inc. is located at 375 Terracina Blvd, Redlands, CA 92373. The listed phone number is (909) 644-4063.

What is San Bernardino Gastroenterology Associates Inc.'s specialty?

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

Is San Bernardino Gastroenterology Associates Inc. enrolled in Medicare?

Yes. San Bernardino Gastroenterology Associates Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Bernardino Gastroenterology Associates Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 4 Medicare specialties reassign their Medicare billing to San Bernardino Gastroenterology Associates 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. The largest specialties are Gastroenterology (5), Internal Medicine (3) and Certified Registered Nurse Anesthetist (CRNA) (1). Of these, 1 practice at this address and 2 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 San Bernardino Gastroenterology Associates Inc. was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.