Quick answers
- Which hospitals does John A. Barwise work at?
- Medicare's official clinician data lists John A. Barwise at 1 hospital: Vanderbilt University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Barwise see patients?
- Medicare's clinician data lists 3 practice locations, including Nashville, TN. Call before your visit to confirm the address.
- What is John A. Barwise's specialty?
- Medicare lists Anesthesiology as the primary specialty, and also Critical Care (Intensivists).
- Does John A. Barwise accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Barwise 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 A. Barwise?
- (615) 322-5000, as listed in official Medicare / NPI Registry data.
- What is John A. Barwise's NPI number?
- 1427132547. 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 A. Barwise works
Medicare's Facility Affiliation Data lists John A. Barwise at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · CCN 440039
Practice locations
Addresses where John A. Barwise is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 Medical Ctr DrNashville, TN 37232 (615) 322‑5000
- 3841 Green Hills Dr, Suite 200Nashville, TN 37215
- 3841 Green Hills Village DrNashville, TN 37215 (615) 322‑8701
Group practices
Medicare enrollment lists John A. Barwise as a member of this group (CMS data updated 2026-10-02).
- Vanderbilt University Medical Center3,567 clinicians in the group
Specialties
- Anesthesiologyprimary
- Critical Care (Intensivists)also
Other anesthesiologists in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427132547 |
| 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