Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen L Kostenko, PA-C
Physician Assistant in Portland, OR · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841672870
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Karen L Kostenko
Credential PA-C
Sex Female
Practice address 1350 Ne 122nd Ave Ste 200, Portland, OR, 97230
Phone (503) 408-7008
Fax (503) 666-6745
Enumeration date Jun 26, 2015
Last updated in NPPES Jan 15, 2020
Taxonomy & licenses
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 53029 (CA) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA187236 (OR) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Karen Kostenko?
The National Provider Identifier (NPI) for Karen Kostenko is 1841672870, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Kostenko practice?
The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-15.