ANN EZZELL WILLIFORD MD
NPI 1851619779
Obstetrics & Gynecology in Nashville, TN
About Ann Ezzell Williford Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN EZZELL WILLIFORD MD (NPI 1851619779) is an individual obstetrics & gynecology provider in Nashville, Tennessee, licensed in Tennessee (51900) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Ann Ezzell Williford 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 Reassignment
Medicare enrollment records show Ann Williford reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 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.
Ascension Saint Thomas Hospital
Acute Care Hospitals · Nashville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37203 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 11
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 Ann Williford's NPI number?
The NPI number for Ann Williford is 1851619779. It was assigned to this individual provider in the NPPES registry on May 17, 2010. The provider is also known as Ann Elizabeth Ezzell MD.
Where is Ann Williford located?
Ann Williford practices at 300 20th Ave N Ste 302, Nashville, TN 37203. The listed phone number is (615) 284-2988.
What is Ann Williford's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ann Williford enrolled in Medicare?
Yes. Ann Williford 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 organization bills Medicare for Ann Williford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Williford reassigns Medicare benefits to Saint Thomas Medical Partners (Nashville, TN). 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 Ann Williford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Williford accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 4 other insurers list Ann Williford 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 Ann Williford affiliated with any hospitals?
According to CMS data, Ann Williford is affiliated with Ascension Saint Thomas Hospital.
When was this NPI record last updated?
The NPPES record for Ann Williford was last updated on June 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ann Ezzell Williford, MD · NPI 1851619779
Obstetrics & Gynecology physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since May 17, 2010.
## Identity
- **NPI:** 1851619779 (Entity type: Individual)
- **Enumerated:** May 17, 2010
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 51900 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 20TH AVE N STE 302, Nashville, TN 37203-2179
- **Phone:** (615) 284-2988 · **Fax:** (615) 284-2995
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saint Thomas Medical Partners (NPI 1437194669, Nashville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** June 13, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1851619779) · Data from the CMS NPPES public registry.