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

NPI Status: Active since October 12, 2016

Contact Information

375 TERRACINA BLVD
REDLANDS, CA
ZIP 92373
Phone: (909) 644-4063
Fax: (909) 335-1911

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 05D2170603
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-13-2026

About SAN BERNARDINO GASTROENTEROLOGY ASSOCIATES INC.

This page provides the complete NPI Profile along with additional information for San Bernardino Gastroenterology Associates Inc., an internist established in Redlands, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1265982375 assigned on October 2016. The practitioner's primary taxonomy code is 207RG0100X with license number A447160 (). The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Kumararvelu Balasubramaniam M.d. (Owner)

NPI
1265982375
Provider Name
SAN BERNARDINO GASTROENTEROLOGY ASSOCIATES INC.
Entity Type
Organization
Location Address
375 TERRACINA BLVD REDLANDS, CA 92373
Location Phone
(909) 644-4063
Location Fax
(909) 335-1911
Mailing Address
2006 N RIVERSIDE AVE STE B RIALTO, CA 92377
Mailing Phone
(909) 881-3032
Mailing Fax
(909) 335-1911
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-12-2016
Last Update Date
05-04-2026
Code Navigator

An internist like San Bernardino Gastroenterology Associates Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 2006 N Riverside Ave STE B
    Rialto, CA 92377
    (909) 881-3032

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
A447160
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

KUMARARVELU BALASUBRAMANIAM M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(909) 881-3032

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2170603
Facility Type
Physician Office
Certificate Effective Date
October 14, 2024
Certificate Expiration Date
October 13, 2026
Laboratory Director
ELLIE LEKOV
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to San Bernardino Gastroenterology Associates Inc. after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1265982375, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 9 → 18 → 9 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 2 + 5 + 1 + 8 + 8 + 4 + 3 + 1 + 4 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1265982375.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Allergy & Immunology
375 TERRACINA BLVD
REDLANDS, CA 92373
Internal Medicine (Gastroenterology)
375 TERRACINA BLVD
REDLANDS, CA 92373
Physician Assistant
375 TERRACINA BLVD
REDLANDS, CA 92373
Allergy & Immunology (Allergy)
375 TERRACINA BLVD
REDLANDS, CA 92373

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265982375, enumerated as an "organization" on October 12, 2016.

The provider is located at 375 TERRACINA BLVD REDLANDS, CA 92373 and the phone number is (909) 644-4063.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.