DR. MARTA M SHINN PHD.
NPI 1497939896
Psychologist - Clinical Child & Adolescent in Costa Mesa, CA

NPI Status: Active since December 20, 2007

Contact Information

3525 HYLAND AVE STE 205
COSTA MESA, CA
ZIP 92626
Phone: (949) 873-4617
Fax: (949) 209-4544

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  • Individual
  • Female
  • Psychologist
  • Clinical Child & Adolescent

About MARTA SHINN

This page provides the complete NPI Profile along with additional information for Marta Shinn, a provider established in Costa Mesa, California with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1497939896 assigned on December 2007. The practitioner's primary taxonomy code is 103TC2200X with license number PSY23107 (CA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1497939896
Provider Name
DR. MARTA M SHINN PHD.
Gender
Female
Entity Type
Individual
Location Address
3525 HYLAND AVE STE 205 COSTA MESA, CA 92626
Location Phone
(949) 873-4617
Location Fax
(949) 209-4544
Mailing Address
1048 IRVINE AVE # 717 NEWPORT BEACH, CA 92660
Mailing Phone
(949) 873-4617
Mailing Fax
(949) 209-4544
Is Sole Proprietor?
No
Enumeration Date
12-20-2007
Last Update Date
06-02-2026
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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.
PSY23107
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QM1300XAmbulatory Health Care Facilities

Clinic/Center
Multi-Specialty

PSY23107 (CA)

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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 1497939896, we treat the final digit (6) 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 84. The final step is to find the difference between that total and the next multiple of ten (90 - 84 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 3 + 1 + 8 + 8 + 1 + 8 + 24 = 84

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

The next multiple of ten after 84 is 90. The difference is the calculated check digit.

90 - 84 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1497939896.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychologist (Clinical)
3525 HYLAND AVE STE 205
COSTA MESA, CA 92626

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497939896, enumerated as an "individual" on December 20, 2007.

The provider is located at 3525 HYLAND AVE STE 205 COSTA MESA, CA 92626 and the phone number is (949) 873-4617.

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