Quick answers
- Where does Ellen L. Singer see patients?
- Medicare's clinician data lists 4 practice locations, including Clackamas, OR, Portland, OR and Oakridge, OR. Call before your visit to confirm the address.
- What is Ellen L. Singer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ellen L. Singer accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen L. Singer 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 Ellen L. Singer?
- (800) 813-2000, as listed in official Medicare / NPI Registry data.
- What is Ellen L. Singer's NPI number?
- 1689687279. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ellen L. Singer is enrolled with Medicare (CMS data updated 2026-10-02).
- 10100 SE Sunnyside RdClackamas, OR 97015 (800) 813‑2000
- 10180 SE Sunnyside RdClackamas, OR 97015 (800) 813‑2000
- 2850 NW Nicolai StPortland, OR 97210 (800) 813‑2000
- 47815 Hwy 58Oakridge, OR 97463 (541) 782‑8304
Group practices
Medicare enrollment lists Ellen L. Singer as a member of these groups (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group
- Orchid Oakridge Clinic PC26 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Clackamas
Clinicians with the same Medicare primary specialty in Clackamas, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689687279 |
| 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
- 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