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

Dr. Ronald J. Hapke, MD

Individual provider Gastroenterology Physician · NPI 1841290699

Dr. Ronald J. Hapke, MD is a Gastroenterology in Clackamas, Oregon. Graduated from University of Chicago, Pritzker School of Medicine in 1992, 34 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
34
Trained at
University of Chicago, Pritzker School 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

9900 SE Sunnyside Rd
Clackamas, OR 97015-9777
Phone: (503) 571-8240
Fax: (503) 571-8984
Show map & directions

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

Additional practice locations (1)

  • 14406 Ne 20th Ave, Vancouver, WA 98686-1448 — (360) 571-3005

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD19291 (OR)

Record details

NPI number1841290699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 22, 2005
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 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
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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