RYAN CLANCY
NPI 1124958491
Psychologist - School in Walnut Creek, CA

NPI Status: Active since May 20, 2026

Contact Information

960 YGNACIO VALLEY RD
WALNUT CREEK, CA
ZIP 94596
Phone: (925) 944-6850

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  • Individual
  • Male
  • Psychologist
  • School

About RYAN CLANCY

This page provides the complete NPI Profile along with additional information for Ryan Clancy, a provider established in Walnut Creek, California with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1124958491 assigned on May 2026. The practitioner's primary taxonomy code is 103TS0200X with license number 240251897 (CA). The provider is registered as an individual and his NPI record was last updated May 2026. Ryan Clancy operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1124958491
Provider Name
RYAN CLANCY
Gender
Male
Entity Type
Individual
Location Address
960 YGNACIO VALLEY RD WALNUT CREEK, CA 94596
Location Phone
(925) 944-6850
Mailing Address
960 YGNACIO VALLEY RD WALNUT CREEK, CA 94596
Mailing Phone
(925) 944-6850
Is Sole Proprietor?
Yes
Enumeration Date
05-20-2026
Last Update Date
05-20-2026
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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
License No.
240251897
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

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.

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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 1124958491, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 2 → 4 9 → 18 → 9 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 8 + 5 + 1 + 6 + 4 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1124958491.

Other Providers at the Same Location


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

Social Worker (Clinical)
960 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596
Psychologist (School)
960 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596
Psychologist (School)
960 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596
Registered Nurse (School)
960 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596
Psychologist (School)
960 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124958491, enumerated as an "individual" on May 20, 2026.

The provider is located at 960 YGNACIO VALLEY RD WALNUT CREEK, CA 94596 and the phone number is (925) 944-6850.

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