DOROTHY TROLINDER
NPI 1124950191
Psychologist - School in Fairfield, CA
NPI Status: Active since June 02, 2026
Contact Information
1895 WOOLNER AVE
FAIRFIELD, CA
ZIP 94533
Phone: (707) 646-7620
Fax: (707) 422-4315
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Psychologist
- School
About DOROTHY TROLINDER
This page provides the complete NPI Profile along with additional information for Dorothy Trolinder, a provider established in Fairfield, California with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1124950191 assigned on June 2026. The practitioner's primary taxonomy code is 103TS0200X. The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1124950191
- Provider Name
- DOROTHY TROLINDER
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1895 WOOLNER AVE FAIRFIELD, CA 94533
- Location Phone
- (707) 646-7620
- Location Fax
- (707) 422-4315
- Mailing Address
- 1895 WOOLNER AVE FAIRFIELD, CA 94533
- Mailing Phone
- (707) 646-7620
- Mailing Fax
- (707) 422-4315
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-02-2026
- Last Update Date
- 06-02-2026
- Code Navigator
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
Psychologist School
- Taxonomy Code
- 103TS0200X
- Type
- Behavioral Health & Social Service Providers
- License State
- CA
- 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 1124950191, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124950191, enumerated as an "individual" on June 02, 2026.
The provider is located at 1895 WOOLNER AVE FAIRFIELD, CA 94533 and the phone number is (707) 646-7620.
Psychologist with taxonomy code 103TS0200X and a focus in School.
