Quick answers
- Where does Derek J. Lam see patients?
- Medicare's clinician data lists 2 practice locations, including Beaverton, OR and Portland, OR. Call before your visit to confirm the address.
- What is Derek J. Lam's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Derek J. Lam accept Medicare assignment?
- Yes. Medicare's clinician data says Derek J. Lam 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 Derek J. Lam?
- (503) 494-8311, as listed in official Medicare / NPI Registry data.
- What is Derek J. Lam's NPI number?
- 1104938091. 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 Derek J. Lam is enrolled with Medicare (CMS data updated 2026-10-02).
- 15700 SW Greystone CtBeaverton, OR 97006
- 3303 S Bond AvePortland, OR 97239 (503) 494‑8311
Group practices
Medicare enrollment lists Derek J. Lam as a member of this group (CMS data updated 2026-10-02).
- University Professional Services1,724 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Beaverton
Clinicians with the same Medicare primary specialty in Beaverton, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104938091 |
| 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