Summary

Dr. Eugene Yoon is a gastroenterologist who specializes in diagnosing and treating digestive system disorders. He earned his medical degree from the University of Virginia School of Medicine and completed his residency training at UCI Medical Center. With 25 years of experience in gastroenterology, Dr. Yoon brings extensive knowledge to his practice. He is fluent in both English and Spanish, enabling him to communicate effectively with a diverse patient population.

Dr. Yoon practices at Saint Jude Hospital and sees patients in Fullerton, California. He focuses on treating conditions such as colon polyps, diverticular disease, and diverticulosis. His expertise includes performing colonoscopy procedures, along with both upper and lower gastrointestinal endoscopy to diagnose and address digestive health concerns. Patients have given him an average rating of 4.7 out of 5, reflecting their confidence in his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 25 years of experience
  • 27 insurance plans accepted
  • speaks English, Spanish
  • Uci Medical Center
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

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Eugene J. Yoon, MDRebecca Humphries, APRNJan Seiler, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Fullerton , CASacramento , CAMontgomery , ALSacramento , CA
Med School: University Of Virginia School Of Medicine Med School: Emory University Med School: Georgia State University Med School: East Tennessee State University - Quillen College of Medicine
Current Profile
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Insurance Plans Accepted by Eugene J. Yoon

  • Accepts Medicare
  • Aetna - HMO
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross Medicare Advantage
  • Anthem Blue Cross Medicare PPO
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Blue Shield of CA PPO
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - HMO
  • Health Net - Medicare Advantage
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Multiplan PPO
  • Providence Health Plan - Medicare Advantage
  • SCAN Medicare Advantage
  • TriWest - Tricare
  • United Healthcare HMO
  • United HealthCare PPO
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Eugene J. Yoon has the following 2 specialties

Specialty Expertise

Eugene J. Yoon has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

25 Years Experience

Eugene J. Yoon holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Uci Medical Center.

Medical School

Graduated from University Of Virginia School Of Medicine in 2001.

NPI Number

Eugene J. Yoon's NPI number is 1861618449.

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Frequently Asked Questions

Does Eugene Yoon accept my insurance?
You can see the insurance plans that Eugene Yoon accepts on their Vitals profile.
Is Eugene Yoon accepting new patients?
Eugene Yoon is accepting new patients on Vitals. View Eugene Yoon's profile on Vitals to make an appointment.
How can I make an appointment with Eugene Yoon?
You can find contact information for Eugene Yoon here on Vitals.
Does Eugene Yoon accept virtual/telehealth appointments?
Eugene Yoon has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Eugene Yoon's office located?
Eugene Yoon's office is located at 1837 Sunny Crest Dr, Fullerton, CA, 92835.

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