Quick answers
- Which hospitals does Ryan Whitaker work at?
- Medicare's official clinician data lists Ryan Whitaker at 1 hospital: Tristar Horizon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan Whitaker see patients?
- Medicare's clinician data lists 1 practice location in Dickson, TN. Call before your visit to confirm the address.
- What is Ryan Whitaker's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Ryan Whitaker accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan Whitaker 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.
- What is the phone number for Ryan Whitaker?
- (615) 326-3000, as listed in official Medicare / NPI Registry data.
- What is Ryan Whitaker's NPI number?
- 1194266304. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan Whitaker works
Medicare's Facility Affiliation Data lists Ryan Whitaker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tristar Horizon Medical CenterDickson, TN · Acute Care Hospital · CCN 440046
Practice locations
Addresses where Ryan Whitaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 105 Natchez Park DrDickson, TN 37055 (615) 326‑3000
Group practices
Medicare enrollment lists Ryan Whitaker as a member of this group (CMS data updated 2026-10-02).
- Tennessee Oncology PLLC358 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Clinician information
| Medical school | Medical University Of South Carolina College Of Medicine |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194266304 |
| 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