Summary

Dr. Roy Yen is a gastroenterologist and internal medicine physician who graduated from New York University School of Medicine. With three decades of clinical experience, he specializes in digestive health conditions and comprehensive internal medicine care. Dr. Yen is fluent in both English and Vietnamese.

Dr. Yen practices at Mission Community Hospital and Kaiser Permanente Panorama City Medical Center in Panorama City, California. He focuses on treating conditions such as colon polyps and abdominal pain. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies. Patients have given him an average rating of 3.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3
  • 30 years of experience
  • speaks English, Vietnamese
  • New York University School Of Medicine
  • 1 written review
  • 2 specialties
  • 29 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis

Office Locations

Dr. Roy Darwei Yen has 3 locations

Dr. Roy Darwei Yen

13652 Cantara StPanorama City, CA 91402

Mission Community Hospital

14850 Roscoe BlvdPanorama City, CA 91402

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Dr. Roy Darwei Yen, MDTheresa Obonyano, APRNRachel Oliver, APRNBhavana Akotia, PA-C
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
30 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Vietnamese Speaks English Speaks English Speaks English
Panorama City , CASacramento , CASacramento , CATempe , AZ
Med School: New York University School Of Medicine Med School: The University of Texas Health Science Center at Houston Med School: University of South Alabama Med School: Charles R Drew University
Current Profile
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Insurance Plans Accepted by Dr. Roy Darwei Yen

  • Accepts Medicare

Medical Specialties

Dr. Roy Darwei Yen has the following 2 specialties

Specialty Expertise

Dr. Roy Darwei Yen has the following 29 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Anemia
  • Biliary Tract Diseases
  • Capsule Endoscopy
  • Celiac Disease
  • Chronic Hepatitis B
  • Chronic Pancreatitis
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Crohn's Disease
  • Diarrhea
  • Digestive System Endoscopy (EGD)
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Gallbladder Diseases
  • Gastrointestinal Diseases (GI Diseases)
  • Hemorrhoids
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Liver Cirrhosis
  • Liver Diseases
  • Nausea
  • Pancreatic Cancer
  • Ulcerative Colitis
  • Ultrasonic Endoscopy (EUS)

Certifications, License, & Education

30 Years Experience

Dr. Roy Darwei Yen holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from New York University School Of Medicine in 1996.

NPI Number

Dr. Yen's NPI number is 1073795597.

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Frequently Asked Questions

How can I make an appointment with Dr. Roy Yen?
You can find contact information for Dr. Roy Yen here on Vitals.
What languages does Dr. Roy Yen speak?
Dr. Roy Yen speaks English and Vietnamese.
Is Dr. Roy Yen accepting new patients?
Dr. Roy Yen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Roy Yen accept virtual/telehealth appointments?
Dr. Roy Yen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Roy Yen affiliated with?
Dr. Roy Yen is affiliated with MISSION COMMUNITY HOSPITAL and Kaiser Permanente Panorama City Medical Center.

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