Quick answers
- Where does Patrick Grimsley see patients?
- Medicare's clinician data lists 2 practice locations, including Lake Oswego, OR and Portland, OR. Call before your visit to confirm the address.
- What is Patrick Grimsley's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Patrick Grimsley accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick Grimsley 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 Patrick Grimsley?
- (864) 664-3984, as listed in official Medicare / NPI Registry data.
- What is Patrick Grimsley's NPI number?
- 1669416723. 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 Patrick Grimsley is enrolled with Medicare (CMS data updated 2026-10-02).
- 17815 SW 65th AveLake Oswego, OR 97035 (864) 664‑3984
- 607 NE Grand AvePortland, OR 97232 (503) 684‑8252
Group practices
Medicare enrollment lists Patrick Grimsley as a member of these groups (CMS data updated 2026-10-02).
- PeaceHealth Networks on Demand LLC193 clinicians in the group
- Zoomcare Urgent Care LLC19 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669416723 |
| 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