DR. DARIEN STEPHEN FENN PHD
NPI 1164550224
Psychologist - Clinical in Wilsonville, OR

Active since March 01, 2007PECOS EnrolledAccepts Medicare Assignment
23540 SW GAGE RD, WILSONVILLE, OR 97070(503) 320-2503(503) 928-5582 Get Directions Write a Review

NPPES record last updated: November 26, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Darien Stephen Fenn Phd NPPES

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

DR. DARIEN STEPHEN FENN PHD (NPI 1164550224) is an individual clinical provider in Wilsonville, Oregon, licensed in Oregon (1083) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1164550224
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DARIEN STEPHEN FENNCredential: PHD
Location Address23540 SW GAGE RDWilsonville, OR 97070-9721
Mailing Address23540 Sw Gage RdWilsonville, OR 97070-9721 · (503) 320-2503 · Fax (503) 928-5582
Fax(503) 928-5582
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateMarch 1, 2007
Last NPPES UpdateNovember 26, 2017
NPI 1164550224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in OR · 1083
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
23540 SW GAGE RD, Wilsonville, OR 97070

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

Dr. Darien Stephen Fenn Phd 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 ID1254384084
PECOS Enrollment IDI20050222000194
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

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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
270 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97070 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Darien Fenn's NPI number?

The NPI number for Darien Fenn is 1164550224. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is Darien Fenn located?

Darien Fenn practices at 23540 SW Gage Rd, Wilsonville, OR 97070. The listed phone number is (503) 320-2503.

What is Darien Fenn's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Darien Fenn enrolled in Medicare?

Yes. Darien Fenn 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 Darien Fenn accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc. and Regence BlueCross BlueShield of Oregon list Darien Fenn 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.

When was this NPI record last updated?

The NPPES record for Darien Fenn was last updated on November 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.