Summary

Dr. Joyce Koh is a gastroenterologist who specializes in diagnosing and treating digestive system disorders. She earned her medical degree from Pennsylvania State University College of Medicine and completed her residency training at Johns Hopkins Health System. With 18 years of experience in gastroenterology, Dr. Koh brings extensive expertise to her practice. She is multilingual and speaks French, Spanish, English, and Korean.

Dr. Koh practices at multiple locations across Oregon, Maryland, and Washington, including Saint Charles Bend in Bend, Oregon, and Good Shepherd Health Care System in Hermiston, Oregon. She focuses on treating conditions such as colon polyps, hemorrhoids, and diverticular disease. Her procedural expertise includes performing colonoscopies and upper and lower gastrointestinal endoscopies to diagnose and treat digestive issues. Patients have given her an average rating of 2.7 stars.

Overview based on verified provider data

Quick Facts

  • 2.7
  • 18 years of experience
  • speaks French, Spanish, English, Korean
  • Johns Hopkins Health System
  • 1 written review
  • 1 specialty
  • 8 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 4 office locations
  • Female

Patients’ Perspective

  • Had a good bedside manner
  • Spent time with me
  • Flexible scheduling

Office Locations

Dr Joyce Michelle Koh has 4 locations

Good Shepherd Health Care System

610 Nw 11th StHermiston, OR 97838

Montgomery Gastroenterology, P.A.

12012 Veirs Mill RdSilver Spring, MD 20906

Saint Charles Bend

2500 Ne Neff RdBend, OR 97701

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Dr Joyce Michelle KohNingxin Zeng, MDDr. Pornchai Leelasinjaroen, MDDr. Somprak Boonpongmanee
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients
2.7 
2.4 
3.7 
18 Years of Experience 18 Years of Experience 35 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks French, Spanish, English, Korean Speaks English Speaks English Speaks Spanish, English
Hermiston , ORKennewick , WAKennewick , WAKennewick , WA
Med School: Pennsylvania State University College Of Medicine Med School: Hunan Medical University Med School: Chulalongkorn University Faculty Of Medicine Med School: Siriraj Hospital Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr Joyce Michelle Koh

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr Joyce Michelle Koh has the following specialty

Specialty Expertise

Dr Joyce Michelle Koh has the following 8 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

18 Years Experience

Dr Joyce Michelle Koh holds active and expired medical licenses in the states of California and Oregon.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027 and an expired medical license in the state of Oregon that expired in 2025.

Education & Training

Residency

Completed their residency at Johns Hopkins Health System.

Medical School

Graduated from Pennsylvania State University College Of Medicine in 2008.

NPI Number

Dr Koh's NPI number is 1144480484.

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Frequently Asked Questions

Is Dr Joyce Koh accepting new patients?
Dr Joyce Koh has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr Joyce Koh's office located?
Dr Joyce Koh's office is located at 610 Nw 11th St, Hermiston, OR, 97838.
How can I make an appointment with Dr Joyce Koh?
You can find contact information for Dr Joyce Koh here on Vitals.
Does Dr Joyce Koh accept virtual/telehealth appointments?
Dr Joyce Koh has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr Joyce Koh affiliated with?
Dr Joyce Koh is affiliated with Saint Charles Bend, GOOD SHEPHERD HEALTH CARE SYSTEM, and SUMMIT PACIFIC MEDICAL CENTER.

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