MARLYN PERKINS PH.D.
NPI 1457477531
Psychologist - Cognitive & Behavioral in Napa, CA

NPI Status: Active since March 21, 2007

Contact Information

1303 JEFFERSON ST
SUITE 600A
NAPA, CA
ZIP 94559
Phone: (415) 706-3737

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  • Individual
  • Female
  • Psychologist
  • Cognitive & Behavioral

About MARLYN PERKINS

This page provides the complete NPI Profile along with additional information for Marlyn Perkins, a provider established in Napa, California with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1457477531 assigned on March 2007. The practitioner's primary taxonomy code is 103TB0200X with license number PSY7149 (CA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1457477531
Provider Name
MARLYN PERKINS PH.D.
Other Name
DR. MARLY PERKINS PH.D.
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
1303 JEFFERSON ST SUITE 600A NAPA, CA 94559
Location Phone
(415) 706-3737
Mailing Address
1303 JEFFERSON ST SUITE 600A NAPA, CA 94559
Mailing Phone
(415) 706-3737
Is Sole Proprietor?
Yes
Enumeration Date
03-21-2007
Last Update Date
07-03-2015
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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 Cognitive & Behavioral

Taxonomy Code
103TB0200X
Type
Behavioral Health & Social Service Providers
License No.
PSY7149
License State
CA
Taxonomy Description
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

PSY7149 (CA)
2103TF0000XBehavioral Health & Social Service Providers

Psychologist
Family

PSY7149 (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 1457477531, 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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
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 5 → 10 → 1 4 → 8 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 8 + 7 + 1 + 4 + 5 + 6 + 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 1457477531.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Psychologist (Clinical)
1303 JEFFERSON ST, STE. 600A
NAPA, CA 94559
Social Worker (Clinical)
1303 JEFFERSON ST, SUITE 600A
NAPA, CA 94559
Psychologist (Clinical)
1303 JEFFERSON ST, SUITE 600A
NAPA, CA 94559
Marriage & Family Therapist
1303 JEFFERSON ST, SUITE 710A
NAPA, CA 94559
Social Worker (Clinical)
1303 JEFFERSON ST, #600A
NAPA, CA 94559
Marriage & Family Therapist
1303 JEFFERSON ST, STE. 606
NAPA, CA 94559
Psychologist (Clinical)
1303 JEFFERSON ST, SUITE 600A
NAPA, CA 94559
Psychologist (Family)
1303 JEFFERSON ST, SUITE 150
NAPA, CA 94559
Marriage & Family Therapist
1303 JEFFERSON ST, SUITE 600A
NAPA, CA 94559
Clinical Neuropsychologist
1303 JEFFERSON ST, SUITE 210A
NAPA, CA 94559
Marriage & Family Therapist
1303 JEFFERSON ST, SUITE 710A
NAPA, CA 94559
Social Worker (Clinical)
1303 JEFFERSON ST, 600A
NAPA, CA 94559
Counselor (Mental Health)
1303 JEFFERSON ST, 600A
NAPA, CA 94559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457477531, enumerated as an "individual" on March 21, 2007.

The provider is located at 1303 JEFFERSON ST SUITE 600A NAPA, CA 94559 and the phone number is (415) 706-3737.

Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.