Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JAMES ALAN CARTER PH.D.
NPI 1831184183
Psychologist - Group Psychotherapy in La Jolla, CA

Q: What is the provider's specialty?

The provider's specialty is Psychologist with taxonomy code 103TP2701X and a focus in Group Psychotherapy.

Active since September 13, 2005Opted out of Medicare · through Apr 1, 2028

8950 VILLA LA JOLLA DR, SUITE C113, LA JOLLA, CA 92037(858) 752-3520(858) 452-1517 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Dr. James Alan Carter Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES ALAN CARTER PH.D. (NPI 1831184183) is an individual group psychotherapy provider in La Jolla, California, licensed in California (PSY18893) and active in the NPI registry since September 2005. He has opted out of Medicare through April 1, 2028.

NPPES Registry Identity

NPI1831184183

Entity TypeIndividualMale

Primary Taxonomy103TP2701X

Provider Legal NameDR. JAMES ALAN CARTERCredential: PH.D.

Location Address8950 VILLA LA JOLLA DR, SUITE C113La Jolla, CA 92037-1714

Mailing Address8950 Villa La Jolla Dr, Suite C113La Jolla, CA 92037-1714 · (858) 752-3520 · Fax (858) 452-1517

Phone(858) 752-3520

Fax(858) 452-1517

Sole ProprietorNo

Enumeration DateSeptember 13, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1831184183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychologist · Group PsychotherapyBehavioral Health & Social Service Providers

Taxonomy Code103TP2701X

License✔ Licensed in CA · PSY18893

Definition

A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.

Also ListedPsychologistTaxonomy 103T00000X · License PSY18893 (CA)

Also ListedPsychologist · Addiction (Substance Use Disorder)Taxonomy 103TA0400X · License PSY18893 (CA)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY18893 (CA)

8950 VILLA LA JOLLA DR, La Jolla, CA 92037

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. James Alan Carter Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2022 through April 1, 2028.

Opt-Out Effective DateApril 1, 2022

Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled