TRI-VALLEY MEDICAL CENTER INC
NPI 1619939469
Podiatrist - Foot & Ankle Surgery in San Ramon, CA

NPI Status: Active since April 06, 2006

Contact Information

1081 MARKET PL
SUITE 200
SAN RAMON, CA
ZIP 94583
Phone: (925) 866-6880

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  • Organization
  • Podiatrist
  • Foot & Ankle Surgery
  • CLIA Number: 05D0997374
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-12-2028

About TRI-VALLEY MEDICAL CENTER INC

This page provides the complete NPI Profile along with additional information for Tri-valley Medical Center Inc, a provider established in San Ramon, California operating as a Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1619939469 assigned on April 2006. The practitioner's primary taxonomy code is 213ES0103X with license number E4085 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Tri-valley Medical Center Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Jatinder Pal Singh Marwaha Md (President)

NPI
1619939469
Provider Name
TRI-VALLEY MEDICAL CENTER INC
Entity Type
Organization
Location Address
1081 MARKET PL SUITE 200 SAN RAMON, CA 94583
Location Phone
(925) 866-6880
Mailing Address
1081 MARKET PL SUITE 200 SAN RAMON, CA 94583
Mailing Phone
(925) 866-6880
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-06-2006
Last Update Date
09-11-2025
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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

Podiatrist Foot & Ankle Surgery

Taxonomy Code
213ES0103X
Type
Podiatric Medicine & Surgery Service Providers
License No.
E4085
License State
CA

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

A56143 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. JATINDER PAL SINGH MARWAHA MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(925) 866-8800

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
05D0997374
Facility Type
Physician Office
Certificate Effective Date
March 13, 2026
Certificate Expiration Date
March 12, 2028
Laboratory Director
JATINDER P. MARWAHA MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tri-valley Medical Center Inc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1619939469, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 8 + 3 + 1 + 8 + 4 + 1 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1619939469.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Internal Medicine
1081 MARKET PL, #300
SAN RAMON, CA 94583
Podiatrist (Foot & Ankle Surgery)
1081 MARKET PL, SUITE 200
SAN RAMON, CA 94583
Chiropractor
1081 MARKET PL, SUITE 100
SAN RAMON, CA 94583
Surgery
1081 MARKET PL, STE 600
SAN RAMON, CA 94583
Chiropractor
1081 MARKET PL, SUITE 100
SAN RAMON, CA 94583
Specialist
1081 MARKET PL, SUITE 500
SAN RAMON, CA 94583
Internal Medicine
1081 MARKET PL, #300
SAN RAMON, CA 94583
Obstetrics & Gynecology
1081 MARKET PL, SUITE 500
SAN RAMON, CA 94583
Pediatrics
1081 MARKET PL, #800
SAN RAMON, CA 94583
Pediatrics
1081 MARKET PL
SAN RAMON, CA 94583
Dentist
1081 MARKET PL, STE 100
SAN RAMON, CA 94583
Internal Medicine (Sleep Medicine)
1081 MARKET PL, SUITE 200
SAN RAMON, CA 94583

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619939469, enumerated as an "organization" on April 06, 2006.

The provider is located at 1081 MARKET PL SUITE 200 SAN RAMON, CA 94583 and the phone number is (925) 866-6880.

Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.