Quick answers
- Which hospitals does Brett D. Gerwin work at?
- Medicare's official clinician data lists Brett D. Gerwin at 2 hospitals: Erlanger Medical Center and Highlands Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brett D. Gerwin see patients?
- Medicare's clinician data lists 1 practice location in Chattanooga, TN. Call before your visit to confirm the address.
- What is Brett D. Gerwin's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Brett D. Gerwin accept Medicare assignment?
- Yes. Medicare's clinician data says Brett D. Gerwin 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 Brett D. Gerwin?
- (423) 521-2820, as listed in official Medicare / NPI Registry data.
- What is Brett D. Gerwin's NPI number?
- 1306992003. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brett D. Gerwin works
Medicare's Facility Affiliation Data lists Brett D. Gerwin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Erlanger Medical CenterChattanooga, TN · Acute Care Hospital · CCN 440104
- Highlands Medical CenterScottsboro, AL · Acute Care Hospital · CCN 010061
Practice locations
Addresses where Brett D. Gerwin is enrolled with Medicare (CMS data updated 2026-10-02).
- 979 E 3rd StChattanooga, TN 37403 (423) 521‑2820
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Chattanooga
Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306992003 |
| 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