KATHERINE HAMILTON, PH.D., A CALIFORNIA PSYCHOLOGY CORPORATION
NPI 1497201537
Psychologist - Clinical in Camarillo, CA
About Katherine Hamilton, Ph.d., A California Psychology Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE HAMILTON, PH.D., A CALIFORNIA PSYCHOLOGY CORPORATION (NPI 1497201537) is a healthcare organization registered as a clinical in Camarillo, California and active in the NPI registry since August 2016. The organization lists Katherine Hamilton, Chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katherine Hamilton, Ph.d., A California Psychology Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Katherine Hamilton, Ph.D., A California Psychology Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Camarillo, CA 93010
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Katherine Hamilton, Ph.D., A California Psychology Corporation's NPI number?
The NPI number for Katherine Hamilton, Ph.D., A California Psychology Corporation is 1497201537. It was assigned to this organization in the NPPES registry on August 29, 2016.
Where is Katherine Hamilton, Ph.D., A California Psychology Corporation located?
Katherine Hamilton, Ph.D., A California Psychology Corporation is located at 1000 Paseo Camarillo Ste 114, Camarillo, CA 93010. The listed phone number is (805) 389-4770.
What is Katherine Hamilton, Ph.D., A California Psychology Corporation's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Katherine Hamilton, Ph.D., A California Psychology Corporation enrolled in Medicare?
Yes. Katherine Hamilton, Ph.D., A California Psychology Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Katherine Hamilton, Ph.D., A California Psychology Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Katherine Hamilton, Ph.D., A California Psychology Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Katherine Hamilton, Ph.D., A California Psychology Corporation was last updated on August 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Katherine Hamilton, Ph.d., A California Psychology Corporation · NPI 1497201537
Clinical organization in Camarillo, California. Organization record, active in the CMS NPPES registry since August 29, 2016.
## Identity
- **NPI:** 1497201537 (Entity type: Organization)
- **Enumerated:** August 29, 2016
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **Organization subpart:** No
- **Authorized official:** Katherine Hamilton, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 1000 PASEO CAMARILLO STE 114, Camarillo, CA 93010-0751
- **Phone:** (805) 389-4770 · **Fax:** (805) 389-4769
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 29, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1497201537) · Data from the CMS NPPES public registry.