COUNTY OF MERCED
NPI 1417806100
Clinic/Center - Prison Health in Merced, CA

NPI Status: Active since January 26, 2026

Contact Information

2840 W SANDY MUSH RD
MERCED, CA
ZIP 95341
Phone: (209) 381-1417
Fax: (209) 381-1417

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  • Organization
  • Clinic/Center
  • Prison Health

About COUNTY OF MERCED

This page provides the complete NPI Profile along with additional information for County Of Merced, a provider established in Merced, California operating as a Clinic/center, focusing in prison health . The healthcare provider is registered in the NPI registry with number 1417806100 assigned on January 2026. The practitioner's primary taxonomy code is 261QP2400X. The provider is registered as an organization and their NPI record was last updated January 2026. The authorized official of this NPI record is Alexandra Elizabeth Pierce (Assistant Director)

NPI
1417806100
Provider Name
COUNTY OF MERCED
Entity Type
Organization
Location Address
2840 W SANDY MUSH RD MERCED, CA 95341
Location Phone
(209) 381-1417
Location Fax
(209) 381-1417
Mailing Address
PO BOX 2087 MERCED, CA 95344
Mailing Phone
(209) 381-6803
Mailing Fax
(209) 381-1417
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
01-26-2026
Last Update Date
01-26-2026
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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

ALEXANDRA ELIZABETH PIERCE

Authorized Official Title
ASSISTANT DIRECTOR
Authorized Official Phone
(209) 605-3068

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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 1417806100, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
4
Unchanged
Pos 3
1
Doubled → 2
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
0
Doubled → 0
Check
0
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 8 → 16 → 7 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 1 + 6 + 0 + 1 + 2 + 1 + 0 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1417806100.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Addiction (Substance Use Disorder))
2840 W SANDY MUSH RD
MERCED, CA 95341

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417806100, enumerated as an "organization" on January 26, 2026.

The provider is located at 2840 W SANDY MUSH RD MERCED, CA 95341 and the phone number is (209) 381-1417.

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