KEITH LEE WILLIAMS PH.D.
NPI 1174716005
Psychologist - Clinical in Boise, ID
About Keith Lee Williams Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH LEE WILLIAMS PH.D. (NPI 1174716005) is an individual clinical provider in Boise, Idaho, licensed in Idaho (PSY-202563) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Keith Lee Williams Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Keith Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boise, ID 83713
- Reassigned Medicare billing, Idaho enrollment
Boise, ID 83704
- Reassigned Medicare billing, Idaho enrollment
- 3 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 83713 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Keith Williams's NPI number?
The NPI number for Keith Williams is 1174716005. It was assigned to this individual provider in the NPPES registry on August 23, 2007.
Where is Keith Williams located?
Keith Williams practices at 3771 N Eagle Rd, Boise, ID 83713. The listed phone number is (208) 939-9917.
What is Keith Williams's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Keith Williams enrolled in Medicare?
Yes. Keith Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Keith Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Williams reassigns Medicare benefits to 2 organizations: Williams Psychology Inc. (Boise, ID) and Mountain States Counseling & Psychological Services Plll (Boise, ID). Each 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 Keith Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Williams accept?
Health plans from PacificSource Health Plans and Select Health list Keith Williams 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 Keith Williams was last updated on August 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.