Darren Janzen, PSY.D.
NPI 1548393689 · Clinical Psychologist · Portland, OR
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Janzen, PSY.D. is a Clinical Psychologist provider in Portland, OR (NPI 1548393689).
Provider details
- NPI number
- 1548393689
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY-202344 (ID)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Darren Janzen's NPI number?
- Darren Janzen's National Provider Identifier (NPI) is 1548393689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Janzen's specialty?
- Darren Janzen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Darren Janzen located?
- Darren Janzen's practice location on file with NPPES is 707 Sw Gaines St, Portland, OR 97239-2901.
- What is Darren Janzen's phone number?
- The practice phone number listed in the NPPES registry for Darren Janzen is (503) 494-3526.
- Does Darren Janzen accept Medicare?
- Darren Janzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren Janzen's NPI active?
- Yes — Darren Janzen's NPI (1548393689) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.