1. Home
  2. Directory
  3. California
  4. Irvine
  5. Psychologist
  6. NPI Profile

DR. ALLISON ANNE HOLTKAMP PSY.D.
NPI 1508990227
Psychologist - Clinical in Irvine, CA

Active since March 15, 2007Opted out of Medicare · through Apr 1, 2028
17744 SKY PARK CIR STE 285, IRVINE, CA 92614(714) 914-7794 Get Directions Write a Review

NPPES record last updated: December 19, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Allison Anne Holtkamp Psy.d. NPPES

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

DR. ALLISON ANNE HOLTKAMP PSY.D. (NPI 1508990227) is an individual clinical provider in Irvine, California, licensed in California (PSY 18001) and active in the NPI registry since March 2007. She has opted out of Medicare through April 1, 2028 and maintains a secondary practice location in Cypress.

NPPES Registry Identity

NPI1508990227
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. ALLISON ANNE HOLTKAMPCredential: PSY.D.
Location Address17744 SKY PARK CIR STE 285Irvine, CA 92614-4461
Mailing Address17744 Sky Park Cir Ste 285Irvine, CA 92614-4461 · (714) 914-7794
Phone(714) 914-7794
Sole ProprietorYes
Enumeration DateMarch 15, 2007
Last NPPES UpdateDecember 19, 2018
✔ NPI 1508990227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY 18001
Definition
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.
17744 SKY PARK CIR STE 285, Irvine, CA 92614
Open in Google Maps ↗

Secondary Practice Location 1

Location 16101 Ball Rd, Suite 304Cypress, CA 90630-3963 · Phone (562) 431-8875

Other Identifiers 1

Other18001CA · Psychologist License

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. Allison Anne Holtkamp Psy.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, 2020 through April 1, 2028.

Opt-Out Effective DateApril 1, 2020
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 5

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

STEPHANIE KUA, MD INC
Psychiatry & Neurology (Psychiatry)
17744 SKY PARK CIR STE 285
IRVINE, CA 92614
Orange County (949) 424-7582
WELL MINDED THERAPY
Marriage & Family Therapist
17744 SKY PARK CIR STE 285
IRVINE, CA 92614
Orange County (949) 371-6655
ALLISON A HOLTKAMP, PSYD PSYCHOLOGIST INC
Clinic/Center (Adult Mental Health)
17744 SKY PARK CIR STE 285
IRVINE, CA 92614
Orange County (714) 914-7794
AREFEH SHAHABALDINY
Marriage & Family Therapist
17744 SKY PARK CIR STE 285
IRVINE, CA 92614
Orange County (949) 371-6655
HEAVEN ZEEN
Marriage & Family Therapist
17744 SKY PARK CIR STE 285
IRVINE, CA 92614
Orange County (949) 414-4826

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 Holtkamp's NPI number?

The NPI number for Allison Holtkamp is 1508990227. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Where is Allison Holtkamp located?

Allison Holtkamp practices at 17744 Sky Park Cir Ste 285, Irvine, CA 92614. The listed phone number is (714) 914-7794.

What is Allison Holtkamp's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Allison Holtkamp enrolled in Medicare?

No. Allison Holtkamp has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Allison Holtkamp was last updated on December 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.