MEGAN RUIZ FISCHER
NPI 1023949062
Psychologist - Clinical Child & Adolescent in Palo Alto, CA

NPI Status: Active since May 28, 2026

Contact Information

401 QUARRY RD
PALO ALTO, CA
ZIP 94304
Phone: (650) 723-5511

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  • Individual
  • Female
  • Psychologist
  • Clinical Child & Adolescent

About MEGAN RUIZ FISCHER

This page provides the complete NPI Profile along with additional information for Megan Ruiz Fischer, a provider established in Palo Alto, California with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1023949062 assigned on May 2026. The practitioner's primary taxonomy code is 103TC2200X with license number 35402 (CA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1023949062
Provider Name
MEGAN RUIZ FISCHER
Gender
Female
Entity Type
Individual
Location Address
401 QUARRY RD PALO ALTO, CA 94304
Location Phone
(650) 723-5511
Mailing Address
401 QUARRY RD PALO ALTO, CA 94304
Is Sole Proprietor?
No
Enumeration Date
05-28-2026
Last Update Date
05-28-2026
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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 Clinical Child & Adolescent

Taxonomy Code
103TC2200X
Type
Behavioral Health & Social Service Providers
License No.
35402
License State
CA
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.

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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 1023949062, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 1 + 8 + 4 + 1 + 8 + 0 + 1 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1023949062.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychologist (Clinical)
401 QUARRY RD, PSYCHIATRY AND BEHAVIORAL SCIENCES
PALO ALTO, CA 94304
Psychiatry & Neurology (Child & Adolescent Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Psychologist
401 QUARRY RD, STANFORD PSYCHIATRY BEHAVIORAL MEDICINE
PALO ALTO, CA 94304
Psychologist (Clinical)
401 QUARRY RD, DEPARTMENT OF PSYCHIATRY
PALO ALTO, CA 94304
Psychologist
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD, STANFORD MEDICAL CENTER
PALO ALTO, CA 94304
Psychiatry & Neurology (Child & Adolescent Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Psychologist (Clinical)
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD, ROOM 2338
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Clinical Neuropsychologist
401 QUARRY RD
PALO ALTO, CA 94304
Counselor (Mental Health)
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
401 QUARRY RD, ROOM #2206
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD, RM 2204, PSYCHIATRY AND BEHAVIORAL SCIENCES
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatric Unit
401 QUARRY RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD, DEPT. OF PSYCHIATRY AND BEHAVIORAL SCIENCES
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023949062, enumerated as an "individual" on May 28, 2026.

The provider is located at 401 QUARRY RD PALO ALTO, CA 94304 and the phone number is (650) 723-5511.

Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.