MENDY WILLIAMS
NPI 1366976151
Nurse Anesthetist, Certified Registered in Boise, ID
About Mendy Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MENDY WILLIAMS (NPI 1366976151) is an individual nurse anesthetist, certified registered in Boise, Idaho, licensed in Idaho (55935) and active in the NPI registry since April 2017. She is affiliated with St Luke's Regional Medical Center and is a graduate of Other (2017).
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)
Mendy Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mendy Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boise, ID 83712
- Reassigned Medicare billing, Idaho enrollment
- 233 clinicians in this Medicare group
Meridian, ID 83642
- Reassigned Medicare billing, Idaho enrollment
- 4 clinicians in this Medicare group
Eagle, ID 83616
- Reassigned Medicare billing, Idaho enrollment
- 9 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.
Hospital Affiliations CMS Care Compare
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, IDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOISE, ID 83712
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 Mendy Williams's NPI number?
The NPI number for Mendy Williams is 1366976151. It was assigned to this individual provider in the NPPES registry on April 18, 2017.
Where is Mendy Williams located?
Mendy Williams practices at 338 E Bannock St, Boise, ID 83712. The listed phone number is (208) 336-0895.
What is Mendy Williams's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mendy Williams enrolled in Medicare?
Yes. Mendy Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mendy Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mendy Williams reassigns Medicare benefits to 3 organizations: Anesthesia Associates Of Boise, P.A. (Boise, ID), Access Anesthesia LLC (Meridian, ID) and Tree City Anesthesia Associates PLLC (Eagle, 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 Mendy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mendy Williams affiliated with any hospitals?
According to CMS data, Mendy Williams is affiliated with St Luke's Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mendy Williams was last updated on February 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mendy Williams · NPI 1366976151
Nurse Anesthetist, Certified Registered physician in Boise, Idaho. Individual provider, active in the CMS NPPES registry since April 18, 2017.
## Identity
- **NPI:** 1366976151 (Entity type: Individual)
- **Enumerated:** April 18, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 55935 (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 338 E BANNOCK ST, Boise, ID 83712-6207
- **Phone:** (208) 336-0895
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Of Boise, P.A. (NPI 1033147467, Boise, ID); Access Anesthesia LLC (NPI 1053714717, Meridian, ID); Tree City Anesthesia Associates PLLC (NPI 1538407366, Eagle, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1366976151) · Data from the CMS NPPES public registry.