DR. GEOFF RAYMOND TWITCHELL PH.D.
NPI 1386658482
Psychologist - Clinical in Fresno, CA
About Dr. Geoff Raymond Twitchell Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFF RAYMOND TWITCHELL PH.D. (NPI 1386658482) is an individual clinical provider in Fresno, California, licensed in California (PSY17509) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Geoff Raymond Twitchell Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Geoff Twitchell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FRESNO, CA 93703
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 Geoff Twitchell's NPI number?
The NPI number for Geoff Twitchell is 1386658482. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Geoff Twitchell located?
Geoff Twitchell practices at 2615 E Clinton Ave, Fresno, CA 93703. The listed phone number is (559) 225-6100.
What is Geoff Twitchell's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Geoff Twitchell enrolled in Medicare?
Yes. Geoff Twitchell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Geoff Twitchell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoff Twitchell reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Geoff Twitchell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Geoff Twitchell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.