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

Joel Loren Simasko, MD

Individual provider Internal Medicine Physician · NPI 1629172697

Joel Loren Simasko, MD is an Internal Medicine Physician in Portland, Oregon. Licensed in Hawaii and Oregon. Registered with an NPI since 2006.

Licensed in
HI, OR
In the registry since
2006
Specialties on file
2
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

19500 SE Stark St
Portland, OR 97233-5757
Phone: (503) 669-3900
Fax: (503) 669-3998
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OR MD22631 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD 4679 (HI)

Record details

NPI number1629172697
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2006
Last updated in NPPESJuly 11, 2007
Mailing address19500 Se Stark St, Portland, OR 97233-5757

Other providers in Portland