WINNIE CHAN
NPI 1285508317
Psychologist - School in San Jose, CA
NPI Status: Active since October 01, 2025
Contact Information
4450 MCCOY AVE
SAN JOSE, CA
ZIP 95130
Phone: (408) 364-4200
- Individual
- Female
- Psychologist
- School
About WINNIE CHAN
This page provides the complete NPI Profile along with additional information for Winnie Chan, a provider established in San Jose, California with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1285508317 assigned on October 2025. The practitioner's primary taxonomy code is 103TS0200X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1285508317
- Provider Name
- WINNIE CHAN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4450 MCCOY AVE SAN JOSE, CA 95130
- Location Phone
- (408) 364-4200
- Mailing Address
- 155 N 3RD ST CAMPBELL, CA 95008
- Mailing Phone
- (408) 364-4200
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-01-2025
- Last Update Date
- 10-01-2025
- 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
- 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 1285508317, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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 53 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1285508317, enumerated as an "individual" on October 01, 2025.
The provider is located at 4450 MCCOY AVE SAN JOSE, CA 95130 and the phone number is (408) 364-4200.
Psychologist with taxonomy code 103TS0200X and a focus in School.
