Individual provider · Type 1 NPI
Joyce Michelle Koh, MD
Gastroenterology Physician · Hermiston, OR
Practice location
620 NW 11th St Ste M206
Hermiston, OR 97838-6941
Fax (541) 667-0192
Mailing address
PO Box 18255
Irvine, CA 92623-8255
Other practice locations
- 601 John St Ste M-302, Kalamazoo, MI 49007-5357 · (269) 349-2266
- 1342 NE Medical Center Dr Ste 100, Bend, OR 97701-5918 · (541) 706-5777
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Gastroenterology Physician Primary | 207RG0100X | MD212643 (OR) |
| Gastroenterology Physician | 207RG0100X | D0074501 (MD) |
| Gastroenterology Physician | 207RG0100X | 4301510763 (MI) |
Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
5 other providers at this address
- Catherine Spomer, ARNPNurse Practitioner Hermiston, OR NPI 1972261758
- Garrett M. Pool, MDSurgery Physician Hermiston, OR NPI 1194745984
- Ivy Nicole Tueller, PASurgical Physician Assistant Hermiston, OR NPI 1790268209
- Marques S. Johnson, MDSurgery Physician Hermiston, OR NPI 1265752166
- Robert A. Wohlman, MDGastroenterology Physician Hermiston, OR NPI 1265412019
Other gastroenterology physician providers in Hermiston
About NPI 1144480484
Joyce Michelle Koh, MD's National Provider Identifier is 1144480484, issued on Jun 10, 2008. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Hermiston, OR. The record was last updated on Jun 9, 2026.