DR. GARY MICHAEL SAMPSON PHD
NPI 1225149032
Psychologist in Longview, WA
About Dr. Gary Michael Sampson Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY MICHAEL SAMPSON PHD (NPI 1225149032) is an individual psychologist in Longview, Washington, licensed in Washington (1269) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gary Michael Sampson Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gary Sampson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Longview, WA 98632
- Reassigned Medicare billing, Washington enrollment
- 14 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.
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 Gary Sampson's NPI number?
The NPI number for Gary Sampson is 1225149032. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Gary Sampson located?
Gary Sampson practices at 945 11th Avenue, Longview, WA 98632. The listed phone number is (888) 313-8600.
What is Gary Sampson's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Gary Sampson enrolled in Medicare?
Yes. Gary Sampson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gary Sampson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Sampson reassigns Medicare benefits to Northwest Psychological Resources LLC (Longview, WA). 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 Gary Sampson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Sampson accept?
Health plans from Ambetter Health, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska and 1 other insurer list Gary Sampson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gary Sampson was last updated on November 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.