TRACY R WALKER CRNA
NPI 1548209828
Nurse Anesthetist, Certified Registered in Collierville, TN
About Tracy R Walker Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACY R WALKER CRNA (NPI 1548209828) is an individual nurse anesthetist, certified registered in Collierville, Tennessee, licensed in North Carolina (6629) and active in the NPI registry since June 2006. She is affiliated with Parkridge Medical Center, maintains 2 additional practice locations, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 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
Tracy R Walker 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
3Medicare enrollment records show Tracy Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38125
- Reassigned Medicare billing, Tennessee enrollment
- 104 clinicians in this Medicare group
Memphis, TN 38119
- Reassigned Medicare billing, Tennessee enrollment
- 73 clinicians in this Medicare group
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 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.
Parkridge Medical Center
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38017 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLLIERVILLE, TN 38017
COLLIERVILLE, TN 38017
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 Tracy Walker's NPI number?
The NPI number for Tracy Walker is 1548209828. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is Tracy Walker located?
Tracy Walker practices at 1500 W Poplar Ave, Collierville, TN 38017. The listed phone number is (901) 861-9000.
What is Tracy Walker's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Tracy Walker enrolled in Medicare?
Yes. Tracy Walker 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 Tracy Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Walker reassigns Medicare benefits to 3 organizations: Lifelinc Anesthesia, PLLC (Memphis, TN), Medical Anesthesia Group, PA (Memphis, TN) and American Anesthesiology Of Tennessee, P.C. (Knoxville, 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 Tracy Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tracy Walker accept?
Health plans from Cigna Healthcare list Tracy Walker 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 Tracy Walker affiliated with any hospitals?
According to CMS data, Tracy Walker is affiliated with Parkridge Medical Center.
When was this NPI record last updated?
The NPPES record for Tracy Walker was last updated on October 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Tracy R Walker, CRNA · NPI 1548209828
Nurse Anesthetist, Certified Registered physician in Collierville, Tennessee. Individual provider, active in the CMS NPPES registry since June 5, 2006.
## Identity
- **NPI:** 1548209828 (Entity type: Individual)
- **Enumerated:** June 5, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 6629 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 W POPLAR AVE, Collierville, TN 38017-0601
- **Phone:** (901) 861-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Lifelinc Anesthesia, PLLC (NPI 1801021464, Memphis, TN); Medical Anesthesia Group, PA (NPI 1679527501, Memphis, TN); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 12, 2021
- **Other identifiers:** Other BLUE CROSS (TN)
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Source: [NPI Profile](https://npiprofile.com/npi/1548209828) · Data from the CMS NPPES public registry.