DEREK WILLIAM CLARK M.D.
NPI 1518283589
Psychiatry & Neurology - Neurocritical Care in Portland, OR

Active since April 15, 2010PECOS EnrolledAccepts Medicare Assignment
9135 SW BARNES RD STE 461, PORTLAND, OR 97225(503) 216-1150 Get Directions Write a Review

NPPES record last updated: November 25, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Derek William Clark M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK WILLIAM CLARK M.D. (NPI 1518283589) is an individual neurocritical care provider in Portland, Oregon, licensed in Oregon (MD158550) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1518283589
Entity TypeIndividualMale
Primary Taxonomy2084A2900X
Provider Legal NameDEREK WILLIAM CLARKCredential: M.D.
Location Address9135 SW BARNES RD STE 461Portland, OR 97225-6643
Mailing AddressPo Box 3158Portland, OR 97208-3158 · (503) 215-6494
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 2010
Enumeration DateApril 15, 2010
Last NPPES UpdateNovember 25, 2022
NPPES CertifiedNovember 25, 2022
NPI 1518283589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians
Taxonomy Code2084A2900X
License Licensed in OR · MD158550
Definition

The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License MD60658145 (WA), MD158550 (OR)
9135 SW BARNES RD STE 461, Portland, OR 97225

Secondary Practice Location 1

Location 1500 17th AveSeattle, WA 98122-5711 · Phone (206) 320-2800 · Fax (206) 320-2827

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Derek William Clark M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153576962
PECOS Enrollment IDI20140519001422
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
62 services31 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
35 services22 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Nurse Practitioner (Acute Care)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Nurse Practitioner (Gerontology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Nurse Practitioner (Gerontology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Physical Medicine & Rehabilitation
9135 SW BARNES RD STE 461
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9135 SW BARNES RD STE 461
PORTLAND, OR 97225

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Clark's NPI number?

The NPI number for Derek Clark is 1518283589. It was assigned to this individual provider in the NPPES registry on April 15, 2010.

Where is Derek Clark located?

Derek Clark practices at 9135 SW Barnes Rd Ste 461, Portland, OR 97225. The listed phone number is (503) 216-1150.

What is Derek Clark's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Is Derek Clark enrolled in Medicare?

Yes. Derek Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Derek Clark accept?

Health plans from PacificSource Health Plans and Providence Health Plan list Derek Clark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Derek Clark affiliated with any hospitals?

According to CMS data, Derek Clark is affiliated with Providence St Vincent Medical Center and Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Derek Clark was last updated on November 25, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.