Quick answers
- Which hospitals does Michael O. Larson work at?
- Medicare's official clinician data lists Michael O. Larson at 3 hospitals: Fort Sanders Regional Medical Center, Physicians Regional Medical Center and Starr Regional Medical Center Athens. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael O. Larson see patients?
- Medicare's clinician data lists 3 practice locations, including Knoxville, TN and Athens, TN. Call before your visit to confirm the address.
- What is Michael O. Larson's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Michael O. Larson accept Medicare assignment?
- Yes. Medicare's clinician data says Michael O. Larson 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 Michael O. Larson?
- (865) 777-1727, as listed in official Medicare / NPI Registry data.
- What is Michael O. Larson's NPI number?
- 1417452376. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael O. Larson works
Medicare's Facility Affiliation Data lists Michael O. Larson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fort Sanders Regional Medical CenterKnoxville, TN · Acute Care Hospital · CCN 440125
- Physicians Regional Medical CenterPowell, TN · Acute Care Hospital · CCN 440120
- Starr Regional Medical Center AthensAthens, TN · Acute Care Hospital · CCN 440068
Practice locations
Addresses where Michael O. Larson is enrolled with Medicare (CMS data updated 2026-10-02).
- 144 Concord RdKnoxville, TN 37934 (865) 777‑1727
- 1450 Dowell Springs BlvdKnoxville, TN 37909 (865) 777‑1727
- 623 Congress Pkwy SAthens, TN 37303 (865) 777‑1727
Group practices
Medicare enrollment lists Michael O. Larson as a member of this group (CMS data updated 2026-10-02).
- Otolaryngology Head and Neck Surgery Associates16 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417452376 |
| 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