YOLO COUNTY SHERIFF'S DEPARTMENT
NPI 1659219525
Clinic/Center - Prison Health in Woodland, CA

NPI Status: Active since March 23, 2026

Contact Information

140 TONY DIAZ DRIVE
WOODLAND, CA
ZIP 95776
Phone: (530) 406-5187
Fax: (530) 662-1255

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  • Organization
  • Clinic/Center
  • Prison Health

About YOLO COUNTY SHERIFF'S DEPARTMENT

This page provides the complete NPI Profile along with additional information for Yolo County Sheriff's Department, a provider established in Woodland, California operating as a Clinic/center, focusing in prison health . The healthcare provider is registered in the NPI registry with number 1659219525 assigned on March 2026. The practitioner's primary taxonomy code is 261QP2400X. The provider is registered as an organization and their NPI record was last updated March 2026. The authorized official of this NPI record is Ismael Hernandez (In-custody Programs Coordinator)

NPI
1659219525
Provider Name
YOLO COUNTY SHERIFF'S DEPARTMENT
Entity Type
Organization
Location Address
140 TONY DIAZ DRIVE WOODLAND, CA 95776
Location Phone
(530) 406-5187
Location Fax
(530) 662-1255
Mailing Address
140 TONY DIAZ DRIVE, WOODLAND CA 95776 WOODLAND, CA 95776
Mailing Phone
(530) 406-5187
Mailing Fax
(530) 662-1255
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-23-2026
Last Update Date
03-23-2026
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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

Clinic/Center Prison Health

Taxonomy Code
261QP2400X
Type
Ambulatory Health Care Facilities

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

ISMAEL HERNANDEZ

Authorized Official Title
IN-CUSTODY PROGRAMS COORDINATOR
Authorized Official Phone
(530) 406-5187

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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 1659219525, 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
2
Doubled → 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 5 → 10 → 1 2 → 4 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 4 + 1 + 1 + 8 + 5 + 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 1659219525.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659219525, enumerated as an "organization" on March 23, 2026.

The provider is located at 140 TONY DIAZ DRIVE WOODLAND, CA 95776 and the phone number is (530) 406-5187.

Clinic/Center with taxonomy code 261QP2400X and a focus in Prison Health.