JOSEPHINE ATWELL FRIAS A065570125
NPI 1437041274
Counselor - Addiction (Substance Use Disorder) in Castro Valley, CA

NPI Status: Active since July 16, 2025

Contact Information

2275 ARLINGTON DR
CASTRO VALLEY, CA
ZIP 94578
Phone: (510) 317-1444

Get Directions Write a Review

  • Individual
  • Counselor
  • Addiction (Substance Use Disorder)

About JOSEPHINE FRIAS

This page provides the complete NPI Profile along with additional information for Josephine Frias, a provider established in Castro Valley, California operating as a Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1437041274 assigned on July 2025. The practitioner's primary taxonomy code is 101YA0400X with license number A065570125 (CA). The provider is registered as an individual and their NPI record was last updated one year ago.

NPI
1437041274
Provider Name
JOSEPHINE ATWELL FRIAS A065570125
Gender
Entity Type
Individual
Location Address
2275 ARLINGTON DR CASTRO VALLEY, CA 94578
Location Phone
(510) 317-1444
Mailing Address
2275 ARLINGTON DR CASTRO VALLEY, CA 94578
Mailing Phone
(510) 317-1444
Is Sole Proprietor?
No
Enumeration Date
07-16-2025
Last Update Date
07-22-2025
Code Navigator

A Substance Abuse or Addiction Counselor like Josephine Frias advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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 Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers
License No.
A065570125
License State
CA

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)
1106S00000XBehavioral Health & Social Service Providers

Behavior Technician

A065570125 (CA)

Reviews for JOSEPHINE ATWELL FRIAS A065570125

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1437041274, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 0 + 4 + 2 + 2 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1437041274.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Counselor (Professional)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Counselor
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Counselor
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (School)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR, SENECA CENTER
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Counselor (Mental Health)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2275 ARLINGTON DR
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2275 ARLINGTON DR
SAN LEANDRO, CA 94578

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437041274, enumerated as an "individual" on July 16, 2025.

The provider is located at 2275 ARLINGTON DR CASTRO VALLEY, CA 94578 and the phone number is (510) 317-1444.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).