Quick answers
- Where does Jeffrey D. Sy see patients?
- Medicare's clinician data lists 2 practice locations, including Clackamas, OR. Call before your visit to confirm the address.
- What is Jeffrey D. Sy's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jeffrey D. Sy accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Sy 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. Sy offer telehealth?
- Medicare's clinician data says Jeffrey D. Sy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey D. Sy?
- (800) 813-2000, as listed in official Medicare / NPI Registry data.
- What is Jeffrey D. Sy's NPI number?
- 1588677942. 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 Jeffrey D. Sy 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
Group practices
Medicare enrollment lists Jeffrey D. Sy as a member of this group (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Northwest1,807 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 |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588677942 |
| 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