MANDALYN CASTANON LMHC, LPCC
NPI 1467083253
Counselor - Mental Health in Fresno, CA

NPI Status: Active since January 30, 2020

Contact Information

1141 W SHAW AVE STE 200
FRESNO, CA
ZIP 93711
Phone: (765) 896-5030

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MANDALYN CASTANON

This page provides the complete NPI Profile along with additional information for Mandalyn Castanon, a provider established in Fresno, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1467083253 assigned on January 2020. The practitioner's primary taxonomy code is 101YM0800X with license number 39004002A (IN). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1467083253
Provider Name
MANDALYN CASTANON LMHC, LPCC
Other Name
MANDALYN HALE
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1141 W SHAW AVE STE 200 FRESNO, CA 93711
Location Phone
(765) 896-5030
Mailing Address
1141 W SHAW AVE STE 200 FRESNO, CA 93711
Mailing Phone
(765) 896-5030
Is Sole Proprietor?
Yes
Enumeration Date
01-30-2020
Last Update Date
12-29-2025
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A mental health counselor like Mandalyn Castanon provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
39004002A
License State
IN

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

15249 (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 1467083253, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
6
Doubled → 12 → 1 + 2
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 6 → 12 → 3 0 → 0 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 2 + 7 + 0 + 8 + 6 + 2 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1467083253.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1467083253, enumerated as an "individual" on January 30, 2020.

The provider is located at 1141 W SHAW AVE STE 200 FRESNO, CA 93711 and the phone number is (765) 896-5030.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.