MRS. HOLLY M WILLIAMS CRNA
NPI 1720212764
Nurse Anesthetist, Certified Registered in Knoxville, TN
About Mrs. Holly M Williams Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HOLLY M WILLIAMS CRNA (NPI 1720212764) is an individual nurse anesthetist, certified registered in Knoxville, Tennessee, licensed in Tennessee (14541) and active in the NPI registry since May 2009. She is affiliated with Fort Sanders Regional Medical Center and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Mrs. Holly M Williams Crna 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 Holly Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 clinicians in this Medicare group
Oak Ridge, TN 37830
- Reassigned Medicare billing, Tennessee enrollment
- 289 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.
Fort Sanders Regional Medical Center
Acute Care Hospitals · Knoxville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37923 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
KNOXVILLE, TN 37923
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 Holly Williams's NPI number?
The NPI number for Holly Williams is 1720212764. It was assigned to this individual provider in the NPPES registry on May 5, 2009. The provider is also known as Holly M Kwasney.
Where is Holly Williams located?
Holly Williams practices at 410 N Cedar Bluff Rd Suite 300, Knoxville, TN 37923. The listed phone number is (865) 342-8900.
What is Holly Williams's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Holly Williams enrolled in Medicare?
Yes. Holly 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 Holly Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Williams reassigns Medicare benefits to 2 organizations: American Anesthesiology Of Tennessee, P.C. (Knoxville, TN) and Covenant Anesthesia Group, PC (Oak Ridge, TN). 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 Holly Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Holly Williams affiliated with any hospitals?
According to CMS data, Holly Williams is affiliated with Fort Sanders Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Holly Williams was last updated on April 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Holly M Williams, CRNA · NPI 1720212764
Nurse Anesthetist, Certified Registered physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since May 5, 2009.
## Identity
- **NPI:** 1720212764 (Entity type: Individual)
- **Enumerated:** May 5, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 14541 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 410 N CEDAR BLUFF RD, SUITE 300, Knoxville, TN 37923-3623
- **Phone:** (865) 342-8900 · **Fax:** (865) 691-0843
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN); Covenant Anesthesia Group, PC (NPI 1639148117, Oak Ridge, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** April 6, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1720212764) · Data from the CMS NPPES public registry.