Quick answers
- Which hospitals does Jeffrey D. Duman work at?
- Medicare's official clinician data lists Jeffrey D. Duman at 4 hospitals: Legacy Meridian Park Medical Center, Providence Newberg Medical Center, Providence Willamette Falls Medical Center and Willamette Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey D. Duman see patients?
- Medicare's clinician data lists 2 practice locations, including Oregon City, OR and Tualatin, OR. Call before your visit to confirm the address.
- What is Jeffrey D. Duman's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Jeffrey D. Duman accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Duman 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 Jeffrey D. Duman offer telehealth?
- Medicare's clinician data says Jeffrey D. Duman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey D. Duman?
- (503) 692-3750, as listed in official Medicare / NPI Registry data.
- What is Jeffrey D. Duman's NPI number?
- 1174679773. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey D. Duman works
Medicare's Facility Affiliation Data lists Jeffrey D. Duman 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 Newberg Medical CenterNewberg, OR · Acute Care Hospital · CCN 380037
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
- Willamette Valley Medical CenterMcMinnville, OR · Acute Care Hospital · CCN 380071
Practice locations
Addresses where Jeffrey D. Duman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1508 Division St, Suite 15Oregon City, OR 97045 (503) 692‑3750
- 19250 SW 90th AveTualatin, OR 97062 (503) 692‑3750
Group practices
Medicare enrollment lists Jeffrey D. Duman as a member of this group (CMS data updated 2026-10-02).
- The Oregon Clinic, PC362 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Oregon City
Clinicians with the same Medicare primary specialty in Oregon City, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174679773 |
| 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