Quick answers
- Where does Theo H. Powell see patients?
- Medicare's clinician data lists 1 practice location in Grants Pass, OR. Call before your visit to confirm the address.
- What is Theo H. Powell's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Theo H. Powell accept Medicare assignment?
- Yes. Medicare's clinician data says Theo H. Powell 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 Theo H. Powell?
- (541) 476-6644, as listed in official Medicare / NPI Registry data.
- What is Theo H. Powell's NPI number?
- 1164427951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Theo H. Powell is enrolled with Medicare (CMS data updated 2026-10-02).
- 495 SW Ramsey AveGrants Pass, OR 97527 (541) 476‑6644
Group practices
Medicare enrollment lists Theo H. Powell as a member of this group (CMS data updated 2026-10-02).
- Grants Pass Clinic LLP16 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Grants Pass
Clinicians with the same Medicare primary specialty in Grants Pass, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164427951 |
| 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
- 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