DR. DAVID CHRISTIAN PEIRCE PHD
NPI 1043417579
Psychologist - Clinical in Aliso Viejo, CA

NPI Status: Active since June 28, 2007

Contact Information

24502 PACIFIC PARK DR
ALISO VIEJO, CA
ZIP 92656
Phone: (949) 425-3000
Fax: (949) 425-3025

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  • Individual
  • Male
  • Psychologist
  • Clinical

About DAVID PEIRCE

This page provides the complete NPI Profile along with additional information for David Peirce, a provider established in Aliso Viejo, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1043417579 assigned on June 2007. The practitioner's primary taxonomy code is 103TC0700X with license number PSY17607 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1043417579
Provider Name
DR. DAVID CHRISTIAN PEIRCE PHD
Gender
Male
Entity Type
Individual
Location Address
24502 PACIFIC PARK DR ALISO VIEJO, CA 92656
Location Phone
(949) 425-3000
Location Fax
(949) 425-3025
Mailing Address
24502 PACIFIC PARK DR ALISO VIEJO, CA 92656
Mailing Phone
(949) 425-3000
Mailing Fax
(949) 425-3025
Is Sole Proprietor?
No
Enumeration Date
06-28-2007
Last Update Date
11-29-2021
Code Navigator

A clinical psychologist like David Peirce assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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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

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY17607
License State
CA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1043417579, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 4 → 8 4 → 8 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 8 + 1 + 1 + 4 + 5 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1043417579.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Specialist
24502 PACIFIC PARK DR, SUITE 105
ALISO VIEJO, CA 92656
Psychologist (Clinical)
24502 PACIFIC PARK DR, SUITE 101
ALISO VIEJO, CA 92656
Family Medicine
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Specialist
24502 PACIFIC PARK DR, SUITE 105
ALISO VIEJO, CA 92656
Dentist
24502 PACIFIC PARK DR, 106
ALISO VIEJO, CA 92656
Dentist (General Practice)
24502 PACIFIC PARK DR, SUITE 106
ALISO VIEJO, CA 92656
Social Worker (Clinical)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Pharmacist
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Family Medicine
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Psychiatry & Neurology (Psychiatry)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Internal Medicine
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Pharmacy (Community/Retail Pharmacy)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Social Worker (Clinical)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Marriage & Family Therapist
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Marriage & Family Therapist
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043417579, enumerated as an "individual" on June 28, 2007.

The provider is located at 24502 PACIFIC PARK DR ALISO VIEJO, CA 92656 and the phone number is (949) 425-3000.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.