CHILD THERAPY INSTITUTE OF MARIN
NPI 1235966466
Community/Behavioral Health in Oakland, CA

NPI Status: Active since September 19, 2024

Contact Information

230 GRAND AVE STE 303
OAKLAND, CA
ZIP 94610
Phone: (415) 456-7724

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  • Organization
  • Community/Behavioral Health

About CHILD THERAPY INSTITUTE OF MARIN

This page provides the complete NPI Profile along with additional information for Child Therapy Institute Of Marin, a provider established in Oakland, California operating as a Community/behavioral Health. The healthcare provider is registered in the NPI registry with number 1235966466 assigned on September 2024. The practitioner's primary taxonomy code is 251S00000X. The provider is registered as an organization and their NPI record was last updated January 2026. The authorized official of this NPI record is Lucelle Hoefnagels (Office Manager)

NPI
1235966466
Provider Name
CHILD THERAPY INSTITUTE OF MARIN
Entity Type
Organization
Location Address
230 GRAND AVE STE 303 OAKLAND, CA 94610
Location Phone
(415) 456-7724
Mailing Address
1480 LINCOLN AVE STE 8 SAN RAFAEL, CA 94901
Mailing Phone
(415) 456-7724
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-19-2024
Last Update Date
01-13-2026
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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

Community/Behavioral Health

Taxonomy Code
251S00000X
Type
Agencies
Taxonomy Description
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

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

LUCELLE HOEFNAGELS

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(415) 456-7724

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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 1235966466, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 9 → 18 → 9 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 8 + 6 + 1 + 2 + 4 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1235966466.

Other Providers at the Same Location


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

Student in an Organized Health Care Education/Training Program
230 GRAND AVE STE 303
OAKLAND, CA 94610

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235966466, enumerated as an "organization" on September 19, 2024.

The provider is located at 230 GRAND AVE STE 303 OAKLAND, CA 94610 and the phone number is (415) 456-7724.

Community/Behavioral Health with taxonomy code 251S00000X.