Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Derek William Clark, MD

Individual provider Neurology Physician · NPI 1518283589

Derek William Clark, MD is a Neurology in Portland, Oregon. Graduated from West Virginia University School of Medicine in 2010, 16 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oregon and Washington.

Years since qualifying
16
Trained at
West Virginia University School of Medicine
Licensed in
OR, WA
In the registry since
2010
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9135 SW Barnes Rd Ste 461
Portland, OR 97225-6643
Phone: (503) 216-1150
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 500 17th Ave, Seattle, WA 98122-5711 — (206) 320-2800

Specialties & licences

Neurocritical Care Physician (primary) Taxonomy 2084A2900X · Licence MD158550 (OR)
Neurology Physician Taxonomy 2084N0400X · Licence MD60658145 (WA)
Neurology Physician Taxonomy 2084N0400X · Licence MD158550 (OR)

Record details

NPI number1518283589
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 15, 2010
Last updated in NPPESNovember 25, 2022
Certification dateNovember 25, 2022
Mailing addressPo Box 3158, Portland, OR 97208-3158

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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