Clinicians affiliated with Tristar Summit Medical Center

Acute Care Hospitals · Proprietary · 5655 Frist Blvd, Hermitage, TN 37076 · Nashville-Davidson--Murfreesboro--Franklin, TN · CCN 440150

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

485 clinicians affiliated with Tristar Summit Medical Center are in the 2024 Medicare Part B data (528 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (73) · Diagnostic Radiology (69) · Nurse Practitioner (59) · Family Practice (31) · Physician Assistant (25) · Certified Registered Nurse Anesthetist (CRNA) (23) · Anesthesiology (19) · Emergency Medicine (19) · Gastroenterology (14) · Orthopedic Surgery (14) · Cardiology (13) · Hematology-Oncology (11) · Pulmonary Disease (9) · General Surgery (8) · Nephrology (8) · Interventional Cardiology (7) · Neurosurgery (7) · Urology (7) · Obstetrics & Gynecology (6) · Endocrinology (5) · Infectious Disease (5) · Neurology (5) · Otolaryngology (5) · Podiatry (5) · Radiation Oncology (5) · Hospitalist (4) · Interventional Radiology (4) · Vascular Surgery (4) · Medical Oncology (3) · Psychiatry (3) · General Practice (2) · Hand Surgery (2) · Physical Medicine and Rehabilitation (2) · Plastic and Reconstructive Surgery (2) · Cardiac Surgery (1) · Certified Nurse Midwife (1) · Clinical Cardiac Electrophysiology (1) · Gynecological Oncology (1) · Independent Diagnostic Testing Facility (IDTF) (1) · Nuclear Medicine (1) · Sports Medicine (1)

General Practice affiliated with Tristar Summit Medical Center, 2024

Alphabetical by last name; 2.

NameCity
Robert B Gaston, MDHermitage, TN
Thomas A Kowal, M.D.Lebanon, TN

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built