Dr. Darren Marshall Janzen
PSY.D. | Clinical Psychologist
707 Sw Gaines St, Mail Code Cdrc, Portland
Oregon, 97239-2901
503-494-3526 503-494-6868
Maps & DirectionsDr. Darren Marshall Janzen is a Portland, Oregon based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Darren Marshall Janzen is PSY-202344 for Clinical Psychology in Idaho. His current practice location is 707 Sw Gaines St, Mail Code Cdrc, Portland. Patients can reach him at 503-494-3526 or can fax him at 503-494-6868. Dr. Darren Marshall Janzen is PSY.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1548393689.
Dr. Darren Marshall Janzen is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. Darren Marshall Janzen speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Darren Marshall Janzen |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PSY.D. |
| Practice Address: | 707 Sw Gaines St, Mail Code Cdrc, Portland,
Oregon, 97239-2901 |
| Phone: | 503-494-3526 |
| Fax: | 503-494-6868 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1548393689 |
| NPI Enumeration Date: | 14 Mar, 2007 |
| NPI Last Update On: | 08 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Darren Marshall Janzen are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY-202344 | Clinical Psychology | Idaho | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Darren Marshall Janzen
707 Sw Gaines St, Mail Code Cdrc
Portland, Oregon |
| Zip: | 97239-2901 |
| Phone Number: | 503-494-3526 |
| Fax Number: | 503-494-6868 |
Patients can reach Dr. Darren Marshall Janzen at
707 Sw Gaines St, Mail Code Cdrc, Portland, Oregon or can
call to book an appointment on 503-494-3526.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.