Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Constance Eldridge Pederson, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1548460637

Dr. Constance Eldridge Pederson, PHD is a Clinical Psychologist in Portland, Oregon. Qualified in 1989, 37 years ago. Practices with Chaise Group LLC, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
37
Licensed in
OR
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3939 NE Hancock St Ste 301
Portland, OR 97212-5321
Phone: (503) 287-4426
Fax: (503) 284-6051
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1070 (OR)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence T-24-4310 (OR)

Record details

NPI number1548460637
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 18, 2007
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address10117 Se Sunnyside Rd # F1217, Clackamas, OR 97015-7708

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Chaise Group Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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