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

Individual provider Internal Medicine Physician · NPI 1023000387

Dr. Kathryn L Huyssoon, MD practises Internal Medicine in Gresham, Oregon. Graduated from University of Oklahoma College of Medicine in 1993, 33 years ago. Offers telehealth. Licensed in Oregon.

Years since qualifying
33
Trained at
University of Oklahoma College of Medicine
Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

24988 SE Stark St Ste 300
Gresham, OR 97030-8322 Not confirmed with CMS for 18 years — call before visiting
Phone: (503) 674-5818
Fax: (503) 674-6709
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD17970 (OR)

Record details

NPI number1023000387
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2005
Last updated in NPPESDecember 19, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients103
Services billed 443 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Other providers in Gresham