SANDRA SERNA
NPI 1003476078
Counselor - School in Riverdale, CA

NPI Status: Active since June 20, 2019

Contact Information

3160 W MOUNT WHITNEY AVE
RIVERDALE, CA
ZIP 93656
Phone: (559) 891-4323

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  • Individual
  • Female
  • Counselor
  • School

About SANDRA SERNA

This page provides the complete NPI Profile along with additional information for Sandra Serna, a provider established in Riverdale, California with a medical specialization in Counselor, focusing in school . The healthcare provider is registered in the NPI registry with number 1003476078 assigned on June 2019. The practitioner's primary taxonomy code is 101YS0200X with license number 230129508 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1003476078
Provider Name
SANDRA SERNA
Gender
Female
Entity Type
Individual
Location Address
3160 W MOUNT WHITNEY AVE RIVERDALE, CA 93656
Location Phone
(559) 891-4323
Mailing Address
1111 VAN NESS AVE FRESNO, CA 93721
Mailing Phone
(559) 265-3000
Is Sole Proprietor?
No
Enumeration Date
06-20-2019
Last Update Date
03-12-2026
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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

Counselor School

Taxonomy Code
101YS0200X
Type
Behavioral Health & Social Service Providers
License No.
230129508
License State
CA

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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 1003476078, 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 0 → 0 4 → 8 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 8 + 7 + 1 + 2 + 0 + 1 + 4 + 24 = 52

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.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1003476078.

Other Providers at the Same Location


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

Counselor (School)
3160 W MOUNT WHITNEY AVE
RIVERDALE, CA 93656

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003476078, enumerated as an "individual" on June 20, 2019.

The provider is located at 3160 W MOUNT WHITNEY AVE RIVERDALE, CA 93656 and the phone number is (559) 891-4323.

Counselor with taxonomy code 101YS0200X and a focus in School.