MATTHEW FRIEDBERG
NPI 1548751886
Counselor - Mental Health in San Jose, CA

NPI Status: Active since May 22, 2018

Contact Information

2021 THE ALAMEDA
SAN JOSE, CA
ZIP 95126
Phone: (408) 228-4767

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  • Individual
  • Male
  • Counselor
  • Mental Health

About MATTHEW FRIEDBERG

This page provides the complete NPI Profile along with additional information for Matthew Friedberg, a provider established in San Jose, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1548751886 assigned on May 2018. The practitioner's primary taxonomy code is 101YM0800X with license number 152160 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1548751886
Provider Name
MATTHEW FRIEDBERG
Gender
Male
Entity Type
Individual
Location Address
2021 THE ALAMEDA SAN JOSE, CA 95126
Location Phone
(408) 228-4767
Mailing Address
1885 CALIFORNIA ST APT 27 MOUNTAIN VIEW, CA 94041
Mailing Phone
(650) 515-8956
Is Sole Proprietor?
No
Enumeration Date
05-22-2018
Last Update Date
10-27-2025
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A mental health counselor like Matthew Friedberg 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.
152160
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 1548751886, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 4 → 8 7 → 14 → 5 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 4 + 5 + 2 + 8 + 1 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1548751886.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Chiropractor
2021 THE ALAMEDA, SUITE 170
SAN JOSE, CA 95126
Chiropractor
2021 THE ALAMEDA, SUITE 170
SAN JOSE, CA 95126
Chiropractor
2021 THE ALAMEDA, SUITE 170
SAN JOSE, CA 95126

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548751886, enumerated as an "individual" on May 22, 2018.

The provider is located at 2021 THE ALAMEDA SAN JOSE, CA 95126 and the phone number is (408) 228-4767.

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