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

Peter Jonathan Kiessling, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1831273077

Peter Jonathan Kiessling, MD is an Anatomic Pathology & Clinical Pathology Physician in Lake Oswego, Oregon. Practices as a sole proprietor. Licensed in California, Oregon and Washington.

Licensed in
CA, OR, WA
In the registry since
2006
Specialties on file
3
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 Partly verified

Some contact details are missing from the federal record.

Locum Tenens (multiple Locations)
Lake Oswego, OR 97035-5523
Phone: (503) 635-9980
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence MD 10083 (OR)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence MD 10973 (WA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence G25292 (CA)

Record details

NPI number1831273077
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 24, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4235 West Bay Rd., Lake Oswego, OR 97035-5523