JOSHUA ELI HERNANDEZ GUERRERO APCC
NPI 1689530313
Counselor - Mental Health in Simi Valley, CA

NPI Status: Active since December 26, 2025

Contact Information

645 TALBERT AVE
SIMI VALLEY, CA
ZIP 93065
Phone: (805) 208-2545

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  • Individual
  • Male
  • Counselor
  • Mental Health

About JOSHUA HERNANDEZ GUERRERO

This page provides the complete NPI Profile along with additional information for Joshua Hernandez Guerrero, a provider established in Simi Valley, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1689530313 assigned on December 2025. The practitioner's primary taxonomy code is 101YM0800X with license number 19819 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1689530313
Provider Name
JOSHUA ELI HERNANDEZ GUERRERO APCC
Gender
Male
Entity Type
Individual
Location Address
645 TALBERT AVE SIMI VALLEY, CA 93065
Location Phone
(805) 208-2545
Mailing Address
169 SYCAMORE GROVE ST SIMI VALLEY, CA 93065
Mailing Phone
(805) 208-2545
Is Sole Proprietor?
No
Enumeration Date
12-26-2025
Last Update Date
12-26-2025
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A mental health counselor like Joshua Hernandez Guerrero 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.

Location Map

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.
19819
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 1689530313, 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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
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 8 → 16 → 7 5 → 10 → 1 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 0 + 3 + 0 + 3 + 2 + 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 1689530313.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689530313, enumerated as an "individual" on December 26, 2025.

The provider is located at 645 TALBERT AVE SIMI VALLEY, CA 93065 and the phone number is (805) 208-2545.

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