Quick answers
- Where does Cayley Mesterheide see patients?
- Medicare's clinician data lists 2 practice locations, including Portland, OR and Clackamas, OR. Call before your visit to confirm the address.
- What is Cayley Mesterheide's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Cayley Mesterheide accept Medicare assignment?
- Yes. Medicare's clinician data says Cayley Mesterheide 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.
- Does Cayley Mesterheide offer telehealth?
- Medicare's clinician data says Cayley Mesterheide offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cayley Mesterheide?
- (971) 300-0654, as listed in official Medicare / NPI Registry data.
- What is Cayley Mesterheide's NPI number?
- 1932869674. 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 Cayley Mesterheide is enrolled with Medicare (CMS data updated 2026-10-02).
- 13535 SW 72nd Ave, Suite 170Portland, OR 97223 (971) 300‑0654
- 9895 SE Sunnyside Rd, Suite FClackamas, OR 97015 (971) 300‑0654
Group practices
Medicare enrollment lists Cayley Mesterheide as a member of this group (CMS data updated 2026-10-02).
- Robert Olsen MD LLC29 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932869674 |
| 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