Quick answers
- Which hospitals does James J. Muller work at?
- Medicare's official clinician data lists James J. Muller at 2 hospitals: Legacy Emanuel Medical Center and Legacy Good Samaritan Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James J. Muller see patients?
- Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
- What is James J. Muller's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James J. Muller accept Medicare assignment?
- Yes. Medicare's clinician data says James J. Muller 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 James J. Muller?
- (503) 413-2200, as listed in official Medicare / NPI Registry data.
- What is James J. Muller's NPI number?
- 1730742818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James J. Muller works
Medicare's Facility Affiliation Data lists James J. Muller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Emanuel Medical CenterPortland, OR · Acute Care Hospital · CCN 380007
- Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · CCN 380017
Practice locations
Addresses where James J. Muller is enrolled with Medicare (CMS data updated 2026-10-02).
- 2801 N Gantenbein AvePortland, OR 97227 (503) 413‑2200
Group practices
Medicare enrollment lists James J. Muller as a member of this group (CMS data updated 2026-10-02).
- Legacy Clinics LLC713 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rocky Vista University College Of Osteopathic Med |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730742818 |
| 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