Quick answers
- Which hospitals does Greg A. Brown work at?
- Medicare's official clinician data lists Greg A. Brown at 2 hospitals: Adventist Health Tillamook and CHI St Alexius Health Williston. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greg A. Brown see patients?
- Medicare's clinician data lists 4 practice locations, including Tillamook, OR, Manzanita, OR and Williston, ND. Call before your visit to confirm the address.
- What is Greg A. Brown's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Sports Medicine.
- Does Greg A. Brown accept Medicare assignment?
- Yes. Medicare's clinician data says Greg A. Brown 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 Greg A. Brown?
- (503) 815-2260, as listed in official Medicare / NPI Registry data.
- What is Greg A. Brown's NPI number?
- 1043280530. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greg A. Brown works
Medicare's Facility Affiliation Data lists Greg A. Brown at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health TillamookTillamook, OR · Critical Access Hospital · CCN 381317
- CHI St Alexius Health WillistonWilliston, ND · Critical Access Hospital · CCN 351334
Practice locations
Addresses where Greg A. Brown is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 3rd StTillamook, OR 97141 (503) 815‑2260
- 10445 Neahkahnie Creek Rd, Adventist HealthManzanita, OR 97130 (503) 815‑2260
- 1100 3rd StTillamook, OR 97141 (503) 815‑2280
- 1500 14th St W, Suite 300Williston, ND 58801 (701) 774‑7500
Group practices
Medicare enrollment lists Greg A. Brown as a member of these groups (CMS data updated 2026-10-02).
- Northwest Medical Foundation of Tillamook82 clinicians in the group
- Mercy Medical Center77 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Sports Medicinealso
Other orthopedic surgeons in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043280530 |
| 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