LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH
NPI 1841146883
Clinic/Center - Mental Health (Including Community Mental Health Center) in San Dimas, CA

NPI Status: Active since March 10, 2026

Contact Information

1900 N. SYCAMORE CANYON RD.
SAN DIMAS, CA
ZIP 91773
Phone: (818) 798-3551

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  • Organization
  • Clinic/Center
  • Mental Health (Including Community Menta...

About LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH

This page provides the complete NPI Profile along with additional information for Los Angeles County Department Of Mental Health, a provider established in San Dimas, California operating as a Clinic/center, focusing in mental health (including community mental health center) . The healthcare provider is registered in the NPI registry with number 1841146883 assigned on March 2026. The practitioner's primary taxonomy code is 261QM0801X. The provider is registered as an organization and their NPI record was last updated March 2026. The authorized official of this NPI record is Dr. Lisa H. Wong Psy.d. (Director)

NPI
1841146883
Provider Name
LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH
Entity Type
Organization
Location Address
1900 N. SYCAMORE CANYON RD. SAN DIMAS, CA 91773
Location Phone
(818) 798-3551
Mailing Address
1900 N. SYCAMORE CANYON RD. SAN DIMAS, CA 91773
Mailing Phone
(818) 798-3551
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
03-10-2026
Last Update Date
03-10-2026
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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

Clinic/Center Mental Health (Including Community Mental Health Center)

Taxonomy Code
261QM0801X
Type
Ambulatory Health Care Facilities

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

DR. LISA H. WONG PSY.D.

Authorized Official Title
DIRECTOR
Authorized Official Phone
(213) 947-6670

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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 1841146883, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 4 → 8 1 → 2 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 2 + 4 + 1 + 2 + 8 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1841146883.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841146883, enumerated as an "organization" on March 10, 2026.

The provider is located at 1900 N. SYCAMORE CANYON RD. SAN DIMAS, CA 91773 and the phone number is (818) 798-3551.

Clinic/Center with taxonomy code 261QM0801X and a focus in Mental Health (Including Community Mental Health Center).