Quick answers
- Which hospitals does Louis C. Johnson work at?
- Medicare's official clinician data lists Louis C. Johnson at 4 hospitals: Ascension Saint Thomas Hospital, Tristar Centennial Medical Center, Tristar Hendersonville Medical Center and Vanderbilt University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Louis C. Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Nashville, TN. Call before your visit to confirm the address.
- What is Louis C. Johnson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Louis C. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Louis C. Johnson 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 Louis C. Johnson offer telehealth?
- Medicare's clinician data says Louis C. Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Louis C. Johnson?
- (615) 342-1000, as listed in official Medicare / NPI Registry data.
- What is Louis C. Johnson's NPI number?
- 1245225937. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Louis C. Johnson works
Medicare's Facility Affiliation Data lists Louis C. Johnson 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
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · CCN 440039
Practice locations
Addresses where Louis C. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2300 Patterson StNashville, TN 37203 (615) 342‑1000
- 2400 Patterson St, Suite 400Nashville, TN 37203 (615) 342‑5900
Group practices
Medicare enrollment lists Louis C. Johnson as a member of this group (CMS data updated 2026-10-02).
- Columbia Medical Group - The Frist Clinic Inc57 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245225937 |
| 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