RYAN J. WILLIAMS MD
NPI 1114053014
Internal Medicine in Nampa, ID
About Ryan J. Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN J. WILLIAMS MD (NPI 1114053014) is an individual internal medicine provider in Nampa, Idaho, licensed in Idaho (M10968) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and maintains 11 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 11
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
Ryan J. Williams Md 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
3Medicare enrollment records show Ryan Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nampa, ID 83651
- Reassigned Medicare billing, Idaho enrollment
- 32 clinicians in this Medicare group
Caldwell, ID 83605
- Reassigned Medicare billing, Idaho enrollment
- 781 clinicians in this Medicare group
Lewiston, ID 83501
- Reassigned Medicare billing, Idaho enrollment
- 101 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.
Areas of Expertise CMS Part B claims 8
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDSaint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDWeiser Memorial Hospital
Critical Access Hospitals · Weiser, IDSt Luke's Wood River Medical Center
Critical Access Hospitals · Ketchum, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83687 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 11
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 Ryan Williams's NPI number?
The NPI number for Ryan Williams is 1114053014. It was assigned to this individual provider in the NPPES registry on February 26, 2007.
Where is Ryan Williams located?
Ryan Williams practices at 900 N Happy Valley Rd, Nampa, ID 83687. The listed phone number is (208) 401-9639.
What is Ryan Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ryan Williams enrolled in Medicare?
Yes. Ryan 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 Ryan Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Williams reassigns Medicare benefits to 3 organizations: Medical Directors Of Idaho PLLC (Nampa, ID), Saint Alphonsus Regional Medical Center Inc (Caldwell, ID) and Sound Physicians Of Idaho (Lewiston, 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 Ryan Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Williams accept?
Health plans from Molina Healthcare, PacificSource Health Plans and Providence Health Plan list Ryan 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 Ryan Williams affiliated with any hospitals?
According to CMS data, Ryan Williams is affiliated with St Luke's Regional Medical Center, Saint Alphonsus Regional Medical Center, Weiser Memorial Hospital and St Luke's Wood River Medical Center.
When was this NPI record last updated?
The NPPES record for Ryan Williams was last updated on May 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.