DR. DEAN L WILLIAMS M.D.
NPI 1760464127
Family Medicine in American Falls, ID
About Dr. Dean L Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEAN L WILLIAMS M.D. (NPI 1760464127) is an individual family medicine provider in American Falls, Idaho, licensed in Idaho (M3687) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Portneuf Medical Center, and is a graduate of University Of Utah School Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Dean L Williams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dean Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
American Falls, ID 83211
- Reassigned Medicare billing, Idaho enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Portneuf Medical Center
Acute Care Hospitals · Pocatello, IDPower County Hospital District
Critical Access Hospitals · American Falls, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
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 Dean Williams's NPI number?
The NPI number for Dean Williams is 1760464127. It was assigned to this individual provider in the NPPES registry on November 18, 2005.
Where is Dean Williams located?
Dean Williams practices at 590 Gifford Ave, American Falls, ID 83211. The listed phone number is (208) 226-5147.
What is Dean Williams's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dean Williams enrolled in Medicare?
Yes. Dean Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dean Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dean Williams reassigns Medicare benefits to Doctors Clinic PA (American Falls, ID). 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 Dean Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dean Williams accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans, Select Health and University of Utah Health Plans list Dean 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.
Is Dean Williams affiliated with any hospitals?
According to CMS data, Dean Williams is affiliated with Portneuf Medical Center and Power County Hospital District.
When was this NPI record last updated?
The NPPES record for Dean Williams was last updated on January 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.