Quick answers
- Which hospitals does Gregory M. Knopf work at?
- Medicare's official clinician data lists Gregory M. Knopf at 3 hospitals: Adventist Health Portland, Legacy Mount Hood Medical Center and OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory M. Knopf see patients?
- Medicare's clinician data lists 1 practice location in Troutdale, OR. Call before your visit to confirm the address.
- What is Gregory M. Knopf's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory M. Knopf accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Knopf 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 Gregory M. Knopf offer telehealth?
- Medicare's clinician data says Gregory M. Knopf offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory M. Knopf?
- (503) 669-6800, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Knopf's NPI number?
- 1508837378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory M. Knopf works
Medicare's Facility Affiliation Data lists Gregory M. Knopf at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · CCN 380060
- Legacy Mount Hood Medical CenterGresham, OR · Acute Care Hospital · CCN 380025
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
Practice locations
Addresses where Gregory M. Knopf is enrolled with Medicare (CMS data updated 2026-10-02).
- 1700 SW 257th AveTroutdale, OR 97060 (503) 669‑6800
Group practices
Medicare enrollment lists Gregory M. Knopf as a member of this group (CMS data updated 2026-10-02).
- Portland Adventist Medical Center271 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Troutdale
Clinicians with the same Medicare primary specialty in Troutdale, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508837378 |
| 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