CONTRA COSTA COUNTY
NPI 1053290551
Clinic/Center - Prison Health in Clayton, CA
NPI Status: Active since August 28, 2025
Contact Information
12000 MARSH CREEK RD
CLAYTON, CA
ZIP 94517
Phone: (925) 646-5700
- Organization
- Clinic/Center
- Prison Health
About CONTRA COSTA COUNTY
This page provides the complete NPI Profile along with additional information for Contra Costa County, a provider established in Clayton, California operating as a Clinic/center, focusing in prison health . The healthcare provider is registered in the NPI registry with number 1053290551 assigned on August 2025. The practitioner's primary taxonomy code is 261QP2400X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is David D. Lee Mba, Fhfma (Deputy Cfo)
- NPI
- 1053290551
- Provider Name
- CONTRA COSTA COUNTY
- Entity Type
- Organization
- Location Address
- 12000 MARSH CREEK RD CLAYTON, CA 94517
- Location Phone
- (925) 646-5700
- Mailing Address
- 50 DOUGLAS DR STE 310 MARTINEZ, CA 94553
- Mailing Phone
- (925) 957-5429
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 08-28-2025
- Last Update Date
- 10-08-2025
- 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
Clinic/Center Prison Health
- Taxonomy Code
- 261QP2400X
- Type
- Ambulatory Health Care Facilities
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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 1053290551, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).
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 49 is 50. 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 1053290551, enumerated as an "organization" on August 28, 2025.
The provider is located at 12000 MARSH CREEK RD CLAYTON, CA 94517 and the phone number is (925) 646-5700.
Clinic/Center with taxonomy code 261QP2400X and a focus in Prison Health.
