Summary

Dr. Kong Yap specializes in gastroenterology with additional training in internal medicine. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and brings 28 years of clinical experience to his practice. Dr. Yap provides care in English for his patients.

Dr. Yap practices at multiple locations throughout Irvine, California, including Hoag Hospital Irvine and Kaiser Permanente Orange County Irvine Medical Center. He treats conditions such as hemorrhoids, indigestion, and heartburn. His procedural expertise includes colonoscopies, lower digestive tract examinations, and minimally invasive surgical techniques. Patients have rated Dr. Yap an average of 3.6 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.6
  • 28 years of experience
  • speaks English
  • Sidney Kimmel Medical College At Thomas Jefferson University
  • 5 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Kong Peng Yap has 4 locations

Hoag Hospital Irvine

16200 Sand Canyon AveIrvine, CA 92618

Barranca Surgery Center

3500 Barranca PkwyIrvine, CA 92606
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Barranca Surgery Center

3500 Barranca Pkwy Ste 130Irvine, CA 92606
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Kong Peng Yap, MD
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Dr. Kong Peng Yap, MDRachel Oliver, APRNJan Seiler, APRNTheresa Obonyano, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
28 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Irvine , CASacramento , CAMontgomery , ALSacramento , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: University of South Alabama Med School: Georgia State University Med School: The University of Texas Health Science Center at Houston
Current Profile
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Insurance Plans Accepted by Dr. Kong Peng Yap

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

Medical Specialties

Dr. Kong Peng Yap has the following 2 specialties

Specialty Expertise

Dr. Kong Peng Yap has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

28 Years Experience

Dr. Kong Peng Yap 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 Sidney Kimmel Medical College At Thomas Jefferson University in 1998.

NPI Number

Dr. Yap's NPI number is 1942235288.

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Frequently Asked Questions

Is Dr. Kong Yap accepting new patients?
Dr. Kong Yap is accepting new patients on Vitals. View Dr. Kong Yap's profile on Vitals to make an appointment.
Where is Dr. Kong Yap's office located?
Dr. Kong Yap's office is located at 16200 Sand Canyon Ave, Irvine, CA, 92618.
Does Dr. Kong Yap accept my insurance?
You can see the insurance plans that Dr. Kong Yap accepts on their Vitals profile.
What languages does Dr. Kong Yap speak?
Dr. Kong Yap speaks English.
How can I make an appointment with Dr. Kong Yap?
You can find contact information for Dr. Kong Yap here on Vitals.

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