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COURTNEY MARQUES TURK R.D.N.
NPI 1346612108
Dietitian, Registered in Portland, OR

Active since October 20, 2015
3550 N INTERSTATE AVE, PORTLAND, OR 97227(503) 201-7994 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 27, 2026, Dec 24, 2024 (2 updates tracked since 2024).

About Courtney Marques Turk R.d.n. NPPES

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

COURTNEY MARQUES TURK R.D.N. (NPI 1346612108) is an individual dietitian, registered in Portland, Oregon, licensed in Oregon (10223110) and active in the NPI registry since October 2015.

NPPES Registry Identity

NPI1346612108
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameCOURTNEY MARQUES TURKCredential: R.D.N.
Location Address3550 N INTERSTATE AVEPortland, OR 97227-1196
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031 · (800) 813-2000
Phone(503) 201-7994
Sole ProprietorYes
Enumeration DateOctober 20, 2015
Last NPPES UpdateMay 27, 20262 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1346612108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Licenses✔ Licensed in OR · 10223110✔ Licensed in WA · DI61313634✔ Licensed · 86038897
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
3550 N INTERSTATE AVE, Portland, OR 97227
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Other Names 1

Former Name (1)Courtney Marques R.d.n.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Courtney Marques Turk R.d.n. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Courtney Turk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Northwest
0.1 mi
Oncology, Radiation
3620 N INTERSTATE AVE
Portland, OR 97227
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1184786527 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1093043424 (503) 280-2931

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

JAMES PAUL BRYANT LCSW, CADC 3
Counselor
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 964-0000
ALISON D. ARMOUR PSYD
Psychologist (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 813-2000
MS. JESSICA A DUDLEY FNP
Nurse Practitioner (Family)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 746-1575
DANAYA LEE HALL SWHNP
Nurse Practitioner
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
MS. JANET LEE MUCKRIDGE RD LD
Dietitian, Registered
3550 N INTERSTATE AVE, NUTRITION DEPARTMENT EAST INTERSTATE
PORTLAND, OR 97227
Multnomah County (503) 286-6871
KAISER FOUNDATION HEALTH PLAN OF THE NORTHWEST
Pharmacy (Managed Care Organization Pharmacy)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122
COURTNEY JOHNSON LCSW
Social Worker (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
CHIA NENG VANG RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122

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 Courtney Turk's NPI number?

The NPI number for Courtney Turk is 1346612108. It was assigned to this individual provider in the NPPES registry on October 20, 2015. The provider is also known as Courtney Marques R.D.N..

Where is Courtney Turk located?

Courtney Turk practices at 3550 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 201-7994.

What is Courtney Turk's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Courtney Turk enrolled in Medicare?

Yes. Courtney Turk is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Courtney Turk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Turk reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Courtney Turk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Courtney Turk was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.