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

Dr. Donald A. Trelstad, MD

Individual provider Specialist · NPI 1962407890

Dr. Donald A. Trelstad, MD is a Specialist in Tualatin, Oregon. Licensed in Oregon. Registered with an NPI since 2005.

Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

19260 SW 65th Ave Ste 420
Tualatin, OR 97062-5712
Phone: (503) 692-0405
Fax: (503) 692-7978
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MD09256 (OR)

Record details

NPI number1962407890
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2005
Last updated in NPPESJuly 13, 2026

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