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

Averill Guo, MD

Individual provider Gastroenterology Physician · NPI 1407353808

Averill Guo, MD is a Gastroenterology in Clackamas, Oregon. Graduated from Columbia University College of Physicians and Surgeons in 2018, 8 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
8
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
OR
In the registry since
2018
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

9900 SE Sunnyside Rd
Clackamas, OR 97015-9777
Phone: (503) 571-8240
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD225737 (OR)

Record details

NPI number1407353808
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2018
Last updated in NPPESJuly 21, 2025
Certification dateJuly 21, 2025
Mailing address9900 Se Sunnyside Rd, Clackamas, OR 97015-9777

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2018 (8 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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