Quick answers
- Which hospitals does Donald C. Walker work at?
- Medicare's official clinician data lists Donald C. Walker at 1 hospital: University Health System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Donald C. Walker see patients?
- Medicare's clinician data lists 1 practice location in Knoxville, TN. Call before your visit to confirm the address.
- What is Donald C. Walker's specialty?
- Medicare lists Interventional Radiology as the primary specialty, and also Diagnostic Radiology.
- Does Donald C. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Donald C. Walker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Donald C. Walker offer telehealth?
- Medicare's clinician data says Donald C. Walker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Donald C. Walker?
- (865) 305-9661, as listed in official Medicare / NPI Registry data.
- What is Donald C. Walker's NPI number?
- 1669664033. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Donald C. Walker works
Medicare's Facility Affiliation Data lists Donald C. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University Health System, IncKnoxville, TN · Acute Care Hospital · CCN 440015
Practice locations
Addresses where Donald C. Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1924 Alcoa HwyKnoxville, TN 37920 (865) 305‑9661
Group practices
Medicare enrollment lists Donald C. Walker as a member of this group (CMS data updated 2026-10-02).
- Association of University Radiologists, PC37 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Diagnostic Radiologyalso
Other interventional radiologists in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669664033 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians