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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLISON A HOLTKAMP, PSYD PSYCHOLOGIST INC
NPI 1629637640
Clinic/Center - Adult Mental Health in Rancho Santa Margarita, CA

Active since June 12, 2019
30211 AVENIDA DE LAS BANDERA STE 200, RANCHO SANTA MARGARITA, CA 92688(714) 914-7794 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 25, 2026, Jun 12, 2019 (2 updates tracked since 2019).

About Allison A Holtkamp, Psyd Psychologist Inc NPPES

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

ALLISON A HOLTKAMP, PSYD PSYCHOLOGIST INC (NPI 1629637640) is a healthcare organization registered as an adult mental health in Rancho Santa Margarita, California and active in the NPI registry since June 2019. The organization lists Allison Anne Holtkamp, President, as its authorized official.

NPPES Registry Identity

NPI1629637640
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameALLISON A HOLTKAMP, PSYD PSYCHOLOGIST INC
Location Address30211 AVENIDA DE LAS BANDERA STE 200Rancho Santa Margarita, CA 92688-2159
Mailing Address30211 Avenida De Las Bandera Ste 200Rancho Santa Margarita, CA 92688-2159 · (714) 914-7794
Phone(714) 914-7794
Organization SubpartNo
Authorized OfficialAllison Anne HoltkampPresident · (714) 914-7794
Enumeration DateJune 12, 2019
Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1629637640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
30211 AVENIDA DE LAS BANDERA STE 200, Rancho Santa Margarita, CA 92688
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEXANDER GHOBADIMANESH D.O.
Psychiatry & Neurology (Psychiatry)
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 490-6362
KONTAR ENTERPRISES INC
Hospice Care, Community Based
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 742-0247
DR. LECHELLE BRUEGGEMAN PSYD
Student in an Organized Health Care Education/Training Program
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 409-5142
TSPS INDUSTRIES, INC
Durable Medical Equipment & Medical Supplies
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 770-9029
INTEGRATED RECOVERY FOUNDATION 22
Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 533-6075
MRS. ALYSSA PAIGE COOK MA, LMFT
Marriage & Family Therapist
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 838-4804
NEW VISION ENTERPRISE LLC
Non-emergency Medical Transport (VAN)
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (949) 205-8331
MYONSITE DIAGNOSTIC LAB
Technician, Pathology (Phlebotomy)
30211 AVENIDA DE LAS BANDERA STE 200
RANCHO SANTA MARGARITA, CA 92688
Orange County (248) 881-5445

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison A Holtkamp, Psyd Psychologist Inc's NPI number?

The NPI number for Allison A Holtkamp, Psyd Psychologist Inc is 1629637640. It was assigned to this organization in the NPPES registry on June 12, 2019.

Where is Allison A Holtkamp, Psyd Psychologist Inc located?

Allison A Holtkamp, Psyd Psychologist Inc is located at 30211 Avenida De Las Bandera Ste 200, Rancho Santa Margarita, CA 92688. The listed phone number is (714) 914-7794.

What is Allison A Holtkamp, Psyd Psychologist Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

When was this NPI record last updated?

The NPPES record for Allison A Holtkamp, Psyd Psychologist Inc was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.