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Neurology

Derek W. Clark, MD

Works at hospitals in Portland, OR · Oregon

Summary

Derek W. Clark, MD (Neurology) is listed by Medicare at 2 hospitals in Portland, OR. NPI 1518283589. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Derek W. Clark, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NeurologyPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
West Virginia University School Of MedicineMedical school
MaleGender (as listed)
Providence Health and Services OregonGroup practice

Quick answers

Which hospitals does Derek W. Clark work at?
Medicare's official clinician data lists Derek W. Clark at 2 hospitals: Providence Portland Medical Center and Providence St Vincent Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek W. Clark see patients?
Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
What is Derek W. Clark's specialty?
Medicare lists Neurology as the primary specialty.
Does Derek W. Clark accept Medicare assignment?
Yes. Medicare's clinician data says Derek W. Clark 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 W. Clark?
(503) 215-8580, as listed in official Medicare / NPI Registry data.
What is Derek W. Clark's NPI number?
1518283589. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Derek W. Clark works

Medicare's Facility Affiliation Data lists Derek W. Clark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Derek W. Clark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Derek W. Clark as a member of this group (CMS data updated 2026-10-02).

  • Providence Health and Services Oregon1,433 clinicians in the group

Specialties

Find other Neurology doctors in Oregon →

Other neurologists in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All neurologists in Portland →

Clinician information

CredentialMD
Medical schoolWest Virginia University School Of Medicine
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518283589
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians