VIANCA HOLGUIN
NPI 1053902411
Counselor - Professional in Covina, CA

NPI Status: Active since January 28, 2021

Contact Information

1126 N GRAND AVE STE D
COVINA, CA
ZIP 91724
Phone: (626) 967-1667

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Counselor
Professional

About VIANCA HOLGUIN

This page provides the complete NPI Profile along with additional information for Vianca Holguin, a provider established in Covina, California with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1053902411 assigned on January 2021. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI: 1053902411
Provider Name: VIANCA HOLGUIN
Gender: Female
Entity Type: Individual
Location Address: 1126 N GRAND AVE STE D COVINA, CA 91724
Location Phone: (626) 967-1667
Mailing Address: PO BOX 1988 COVINA, CA 91722
Is Sole Proprietor?: No
Enumeration Date: 01-28-2021
Last Update Date: 08-24-2021
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Location Map

Secondary Locations

780 E Gilbert St
San Bernardino, CA 92415
(909) 763-4760

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 Professional
Taxonomy Code: 101YP2500X
Type: Behavioral Health & Social Service Providers

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 1053902411, 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 2

Check

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 9 → 18 → 9 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 8 + 0 + 4 + 4 + 2 + 24 = 49

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.

50 - 49 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1053902411.