CONTRA COSTA MENTAL HEALTH WELLNESS CENTER INC
NPI 1134011976
Marriage & Family Therapist in Concord, CA

NPI Status: Active since July 16, 2025

Contact Information

1220 DIAMOND WAY STE 240
CONCORD, CA
ZIP 94520
Phone: (415) 254-8203
Fax: (415) 376-5899

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NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Marriage & Family Therapist

About CONTRA COSTA MENTAL HEALTH WELLNESS CENTER INC

This page provides the complete NPI Profile along with additional information for Contra Costa Mental Health Wellness Center Inc, a provider established in Concord, California operating as a Marriage & Family Therapist. The healthcare provider is registered in the NPI registry with number 1134011976 assigned on July 2025. The practitioner's primary taxonomy code is 106H00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Contra Costa Mental Health Wellness Center Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Mr. John Charles Bieda Jr. Mft (Founder)

NPI
1134011976
Provider Name
CONTRA COSTA MENTAL HEALTH WELLNESS CENTER INC
Entity Type
Organization
Location Address
1220 DIAMOND WAY STE 240 CONCORD, CA 94520
Location Phone
(415) 254-8203
Location Fax
(415) 376-5899
Mailing Address
1220 DIAMOND WAY STE 240 CONCORD, CA 94520
Mailing Phone
(415) 254-8203
Mailing Fax
(415) 376-5899
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-16-2025
Last Update Date
08-14-2025
Code Navigator

A marriage and family therapist like Contra Costa Mental Health Wellness Center Inc help patients manage problems with their family and other relationships. Marriage and family therapists encourage clients to discuss their emotions and experiences and, develop strategies and skills to change behavior and cope with difficult situations. Many therapists apply cognitive behavioral therapy to help patients understand harmful thoughts, feelings, and also teach patients how to replace them with positive, life-enhancing ones.

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

Marriage & Family Therapist

Taxonomy Code
106H00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. JOHN CHARLES BIEDA JR. MFT

Authorized Official Title
FOUNDER
Authorized Official Phone
(415) 254-8203

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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 1134011976, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 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 + 1 + 6 + 4 + 0 + 1 + 2 + 9 + 1 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1134011976.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Mental Health)
1220 DIAMOND WAY STE 240
CONCORD, CA 94520

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134011976, enumerated as an "organization" on July 16, 2025.

The provider is located at 1220 DIAMOND WAY STE 240 CONCORD, CA 94520 and the phone number is (415) 254-8203.

Marriage & Family Therapist with taxonomy code 106H00000X.