Quick answers
- Which hospitals does John Riddick work at?
- Medicare's official clinician data lists John Riddick at 5 hospitals: Ascension Saint Thomas Hospital, Tristar Centennial Medical Center, Tristar Hendersonville Medical Center, Tristar Summit Medical Center and Vanderbilt University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Riddick see patients?
- Medicare's clinician data lists 8 practice locations, including Dickson, TN, Nashville, TN and Hendersonville, TN. Call before your visit to confirm the address.
- What is John Riddick's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does John Riddick accept Medicare assignment?
- Yes. Medicare's clinician data says John Riddick 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 John Riddick?
- (615) 446-4633, as listed in official Medicare / NPI Registry data.
- What is John Riddick's NPI number?
- 1417131715. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Riddick works
Medicare's Facility Affiliation Data lists John Riddick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Saint Thomas HospitalNashville, TN · Acute Care Hospital · CCN 440082
- Tristar Centennial Medical CenterNashville, TN · Acute Care Hospital · CCN 440161
- Tristar Hendersonville Medical CenterHendersonville, TN · Acute Care Hospital · CCN 440194
- Tristar Summit Medical CenterHermitage, TN · Acute Care Hospital · CCN 440150
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · CCN 440039
Practice locations
Addresses where John Riddick is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 111 Hwy 70 EDickson, TN 37055 (615) 446‑4633
- 111 Hwy 70 E, Suite GDickson, TN 37055 (615) 515‑1900
- 2300 Patterson StNashville, TN 37203 (615) 222‑2100
- 2400 Patterson St, Suite 103Nashville, TN 37203 (615) 515‑1900
- 2400 Patterson St, Suite 318Nashville, TN 37203 (615) 515‑1900
Group practices
Medicare enrollment lists John Riddick as a member of this group (CMS data updated 2026-10-02).
- Centennial Heart LLC115 clinicians in the group
Specialties
Other interventional cardiologists in Dickson
Clinicians with the same Medicare primary specialty in Dickson, TN — not a recommendation.
Clinician information
| Medical school | Vanderbilt University School Of Medicine |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417131715 |
| 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