Quick answers
- Does Ethan T. Montemayor accept Medicare assignment?
- Yes. Medicare's clinician data says Ethan T. Montemayor accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ethan T. Montemayor's NPI number?
- 1700406337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ethan T. Montemayor works
Medicare's Facility Affiliation Data lists Ethan T. Montemayor at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension Saint Thomas HospitalNashville, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440082
Practice locations
Addresses where Ethan T. Montemayor is enrolled with Medicare (CMS data updated October 2, 2026).
- 4230 Harding Pike, Suite 705Nashville, TN 37205 (615) 385‑1547
Group practices
Medicare enrollment lists Ethan T. Montemayor as a member of this group (CMS data updated October 2, 2026).
- Tennessee Oncology PLLC358 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Other clinicians in Tennessee Oncology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700406337 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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