TRIVALLEY HIGHLINE FOOT AND ANKLE SPECIALISTS, PC
NPI 1639030208
Podiatrist - Foot & Ankle Surgery in Livermore, CA
NPI Status: Active since November 21, 2025
Contact Information
3090 INDEPENDENCE DR STE 110
LIVERMORE, CA
ZIP 94551
Phone: (555) 555-5555
- Organization
- Podiatrist
- Foot & Ankle Surgery
About TRIVALLEY HIGHLINE FOOT AND ANKLE SPECIALISTS, PC
This page provides the complete NPI Profile along with additional information for Trivalley Highline Foot And Ankle Specialists, Pc, a provider established in Livermore, California operating as a Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1639030208 assigned on November 2025. The practitioner's primary taxonomy code is 213ES0103X. The provider is registered as an organization and their NPI record was last updated March 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 Huaitao Zhang Dpm (Owner)
- NPI
- 1639030208
- Provider Name
- TRIVALLEY HIGHLINE FOOT AND ANKLE SPECIALISTS, PC
- Entity Type
- Organization
- Location Address
- 3090 INDEPENDENCE DR STE 110 LIVERMORE, CA 94551
- Location Phone
- (555) 555-5555
- Mailing Address
- 3090 INDEPENDENCE DR STE 110 LIVERMORE, CA 94551
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 11-21-2025
- Last Update Date
- 03-06-2026
- Code Navigator
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
Podiatrist Foot & Ankle Surgery
- Taxonomy Code
- 213ES0103X
- Type
- Podiatric Medicine & Surgery Service Providers
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.
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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 1639030208, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639030208, enumerated as an "organization" on November 21, 2025.
The provider is located at 3090 INDEPENDENCE DR STE 110 LIVERMORE, CA 94551 and the phone number is (555) 555-5555.
Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.
