DIANNE MENDOZA
NPI 1912857129
Psychologist - School in Woodland Hills, CA

NPI Status: Active since January 29, 2026

Contact Information

19722 COLLIER ST
WOODLAND HILLS, CA
ZIP 91364
Phone: (818) 346-5100

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  • Individual
  • Female
  • Psychologist
  • School

About DIANNE MENDOZA

This page provides the complete NPI Profile along with additional information for Dianne Mendoza, a provider established in Woodland Hills, California with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1912857129 assigned on January 2026. The practitioner's primary taxonomy code is 103TS0200X. The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1912857129
Provider Name
DIANNE MENDOZA
Gender
Female
Entity Type
Individual
Location Address
19722 COLLIER ST WOODLAND HILLS, CA 91364
Location Phone
(818) 346-5100
Mailing Address
19722 COLLIER ST WOODLAND HILLS, CA 91364
Mailing Phone
(818) 346-5100
Is Sole Proprietor?
No
Enumeration Date
01-29-2026
Last Update Date
01-29-2026
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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

Psychologist School

Taxonomy Code
103TS0200X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

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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 1912857129, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 5 + 1 + 4 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1912857129.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Local Education Agency (LEA)
19722 COLLIER ST
WOODLAND HILLS, CA 91364
Social Worker (School)
19722 COLLIER ST
WOODLAND HILLS, CA 91364
Occupational Therapist
19722 COLLIER ST
WOODLAND HILLS, CA 91364
Specialist/Technologist (Speech-Language Assistant)
19722 COLLIER ST
WOODLAND HILLS, CA 91364
Psychologist (School)
19722 COLLIER ST
WOODLAND HILLS, CA 91364

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912857129, enumerated as an "individual" on January 29, 2026.

The provider is located at 19722 COLLIER ST WOODLAND HILLS, CA 91364 and the phone number is (818) 346-5100.

Psychologist with taxonomy code 103TS0200X and a focus in School.