DR. CATHY, CHILD PSYCHOLOGIST, A PROFESSIONAL CORPORATION
NPI 1669391918
Psychologist - Clinical Child & Adolescent in Arcadia, CA
NPI Status: Active since July 13, 2026
Contact Information
20 E FOOTHILL BLVD STE 200
ARCADIA, CA
ZIP 91006
Phone: (626) 428-6770
This NPI profile has been added to the NPI registry within the last 30 days.
NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Organization
- Psychologist
- Clinical Child & Adolescent
About DR. CATHY, CHILD PSYCHOLOGIST, A PROFESSIONAL CORPORATION
This page provides the complete NPI Profile along with additional information for Dr. Cathy, Child Psychologist, A Professional Corporation, a provider established in Arcadia, California operating as a Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1669391918 assigned on July 2026. The practitioner's primary taxonomy code is 103TC2200X. The provider is registered as an organization and their NPI record was last updated July 2026. Dr. Cathy, Child Psychologist, A Professional Corporation operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Cathleen Pasia Schaefer Ph.d (Psychologist)
- NPI
- 1669391918
- Provider Name
- DR. CATHY, CHILD PSYCHOLOGIST, A PROFESSIONAL CORPORATION
- Entity Type
- Organization
- Location Address
- 20 E FOOTHILL BLVD STE 200 ARCADIA, CA 91006
- Location Phone
- (626) 428-6770
- Mailing Address
- 20 E FOOTHILL BLVD STE 200 ARCADIA, CA 91006
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-13-2026
- Last Update Date
- 07-13-2026
- 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 Clinical Child & Adolescent
- Taxonomy Code
- 103TC2200X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Reviews for DR. CATHY, CHILD PSYCHOLOGIST, A PROFESSIONAL CORPORATION
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1669391918, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).
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 72 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669391918, enumerated as an "organization" on July 13, 2026.
The provider is located at 20 E FOOTHILL BLVD STE 200 ARCADIA, CA 91006 and the phone number is (626) 428-6770.
Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.
