TRI VALLEY GASTROENTEROLOGY
NPI 1891706669
Internal Medicine - Gastroenterology in San Ramon, CA

NPI Status: Active since August 10, 2006

Contact Information

5801 NORRIS CANYON RD
STE. 230
SAN RAMON, CA
ZIP 94583
Phone: (925) 275-9966
Fax: (925) 275-9823

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  • Organization
  • Internal Medicine
  • Gastroenterology

About TRI VALLEY GASTROENTEROLOGY

This page provides the complete NPI Profile along with additional information for Tri Valley Gastroenterology, an internist established in San Ramon, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1891706669 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 4 years ago. 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 provider's other name is Tri Valley Gastroenterology. The authorized official of this NPI record is David T. Wong M.d. (President)

NPI
1891706669
Provider Legal Name
TRI VALLEY GASTROENTEROLOGY MEDICAL CENTER, INC.
Other Organization Name
TRI VALLEY GASTROENTEROLOGY
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
5801 NORRIS CANYON RD STE. 230 SAN RAMON, CA 94583
Location Phone
(925) 275-9966
Location Fax
(925) 275-9823
Mailing Address
5801 NORRIS CANYON RD STE. 230 SAN RAMON, CA 94583
Mailing Phone
(925) 275-9966
Mailing Fax
(925) 275-9823
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-10-2006
Last Update Date
08-03-2022
Code Navigator

An internist like Tri Valley Gastroenterology 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

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
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

DAVID T. WONG M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(925) 275-9966

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
ZZZ57371ZOTHER (01)CABC/BS

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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 1891706669, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
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 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 0 + 1 + 2 + 6 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891706669.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Orthopaedic Surgery
5801 NORRIS CANYON RD, SUITE 210
SAN RAMON, CA 94583
Nurse Practitioner
5801 NORRIS CANYON RD, SUITE 210
SAN RAMON, CA 94583
Ophthalmology
5801 NORRIS CANYON RD, STE 200
SAN RAMON, CA 94583
Ophthalmology
5801 NORRIS CANYON RD, SUITE 200
SAN RAMON, CA 94583
Optometrist
5801 NORRIS CANYON RD, SUITE #200
SAN RAMON, CA 94583
Nurse Practitioner
5801 NORRIS CANYON RD
SAN RAMON, CA 94583
Orthopaedic Surgery
5801 NORRIS CANYON RD, SUITE 210
SAN RAMON, CA 94583
Nurse Anesthetist, Certified Registered
5801 NORRIS CANYON RD, STE 230
SAN RAMON, CA 94583
Ophthalmology
5801 NORRIS CANYON RD, STE 200
SAN RAMON, CA 94583
Physician Assistant
5801 NORRIS CANYON RD, SUITE 210
SAN RAMON, CA 94583
Physician Assistant
5801 NORRIS CANYON RD, 210
SAN RAMON, CA 94583
Internal Medicine (Gastroenterology)
5801 NORRIS CANYON RD, SUITE 230
SAN RAMON, CA 94583
Clinic/Center (Ambulatory Surgical)
5801 NORRIS CANYON RD, SUITE 220
SAN RAMON, CA 94583

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891706669, enumerated as an "organization" on August 10, 2006.

The provider is located at 5801 NORRIS CANYON RD STE. 230 SAN RAMON, CA 94583 and the phone number is (925) 275-9966.

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

The provider might be accepting Accepts: Blue Cross Blue Shield, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.