Quick answers
- Which hospitals does Ryan L. Hermansen work at?
- Medicare's official clinician data lists Ryan L. Hermansen at 5 hospitals: Providence Milwaukie Hospital, Providence Newberg Medical Center, Providence Portland Medical Center, Providence St Vincent Medical Center and Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan L. Hermansen see patients?
- Medicare's clinician data lists 10 practice locations, including Portland, OR, Woodburn, OR and Eugene, OR. Call before your visit to confirm the address.
- What is Ryan L. Hermansen's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Ryan L. Hermansen accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan L. Hermansen 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 Ryan L. Hermansen offer telehealth?
- Medicare's clinician data says Ryan L. Hermansen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ryan L. Hermansen?
- (503) 215-4250, as listed in official Medicare / NPI Registry data.
- What is Ryan L. Hermansen's NPI number?
- 1831681618. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan L. Hermansen works
Medicare's Facility Affiliation Data lists Ryan L. Hermansen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Milwaukie HospitalMilwaukie, OR · Acute Care Hospital · CCN 380082
- Providence Newberg Medical CenterNewberg, OR · Acute Care Hospital · CCN 380037
- Providence Portland Medical CenterPortland, OR · Acute Care Hospital · CCN 380061
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · CCN 380004
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Ryan L. Hermansen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1321 NE 99th Ave, Suite 200Portland, OR 97220 (503) 215‑4250
- 1336 NW Flanders StPortland, OR 97209 (971) 238‑9767
- 2902 Tom Tennant DrWoodburn, OR 97071 (541) 640‑7625
- 4400 NE Halsey StPortland, OR 97213
- 4805 NE Glisan StPortland, OR 97213 (503) 215‑1111
Group practices
Medicare enrollment lists Ryan L. Hermansen as a member of these groups (CMS data updated 2026-10-02).
- Providence Health and Services Oregon1,433 clinicians in the group
- Providence Health and Services - Oregon208 clinicians in the group
- Providence Health and Services - Oregon191 clinicians in the group
- Icco LLC135 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 | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831681618 |
| 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