Quick answers
- Which hospitals does Mark Irby work at?
- Medicare's official clinician data lists Mark Irby at 2 hospitals: Legacy Meridian Park Medical Center and Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Irby see patients?
- Medicare's clinician data lists 1 practice location in Tigard, OR. Call before your visit to confirm the address.
- What is Mark Irby's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark Irby accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Irby 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 Mark Irby?
- (503) 639-6002, as listed in official Medicare / NPI Registry data.
- What is Mark Irby's NPI number?
- 1174967780. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Irby works
Medicare's Facility Affiliation Data lists Mark Irby at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Mark Irby is enrolled with Medicare (CMS data updated 2026-10-02).
- 15755 SW Sequoia Pkwy, Suite 200Tigard, OR 97224 (503) 639‑6002
Group practices
Medicare enrollment lists Mark Irby as a member of this group (CMS data updated 2026-10-02).
- Regenerative Orthopedic Center LLC27 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Tigard
Clinicians with the same Medicare primary specialty in Tigard, OR — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174967780 |
| 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