CHRISTOPHER GERALD CARSTENS PH.D.
NPI 1215924014
Psychologist - Clinical in San Diego, CA

NPI Status: Active since October 05, 2005

Contact Information

9255 TOWNE CENTRE DR
SUITE 875
SAN DIEGO, CA
ZIP 92121
Phone: (858) 455-5252
Fax: (858) 455-5556

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  • Individual
  • Male
  • Psychologist
  • Clinical

About CHRISTOPHER CARSTENS

This page provides the complete NPI Profile along with additional information for Christopher Carstens, a provider established in San Diego, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1215924014 assigned on October 2005. The practitioner's primary taxonomy code is 103TC0700X with license number PSY 5654 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1215924014
Provider Name
CHRISTOPHER GERALD CARSTENS PH.D.
Gender
Male
Entity Type
Individual
Location Address
9255 TOWNE CENTRE DR SUITE 875 SAN DIEGO, CA 92121
Location Phone
(858) 455-5252
Location Fax
(858) 455-5556
Mailing Address
9255 TOWNE CENTRE DR SUITE 875 SAN DIEGO, CA 92121
Mailing Phone
(858) 455-5252
Mailing Fax
(858) 455-5556
Is Sole Proprietor?
Yes
Enumeration Date
10-05-2005
Last Update Date
07-08-2007
Code Navigator

A clinical psychologist like Christopher Carstens 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.
PSY 5654
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
PSY 5654OTHER (01)CALICENSE
P94553MEDICARE UPIN (02)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 1215924014, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 1 + 8 + 2 + 8 + 0 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1215924014.

Other Providers at the Same Location


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

Psychologist
9255 TOWNE CENTRE DR, SUITE 370
SAN DIEGO, CA 92121
Psychologist
9255 TOWNE CENTRE DR, SUITE 370
SAN DIEGO, CA 92121
Counselor (Mental Health)
9255 TOWNE CENTRE DR, STE.370
SAN DIEGO, CA 92121
Psychiatry & Neurology (Child & Adolescent Psychiatry)
9255 TOWNE CENTRE DR, SUITE 370
SAN DIEGO, CA 92121
Counselor (Mental Health)
9255 TOWNE CENTRE DR, STE 370
SAN DIEGO, CA 92121

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215924014, enumerated as an "individual" on October 05, 2005.

The provider is located at 9255 TOWNE CENTRE DR SUITE 875 SAN DIEGO, CA 92121 and the phone number is (858) 455-5252.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.