Summary

Dr. Gilbert Ong specializes in gastroenterology, focusing on digestive system disorders and related conditions. He earned his medical degree from the University of Santo Tomas Faculty of Medicine and Surgery and brings 29 years of experience to his practice. Dr. Ong is fluent in English.

Dr. Ong is affiliated with Swedish Edmonds Hospital and practices in Zillah, Washington. He treats patients with GERD, colon polyps, and acid reflux. His procedural expertise includes performing colonoscopies and upper GI endoscopies to diagnose and monitor digestive health concerns. Patients rate Dr. Ong 4.1 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 29 years of experience
  • 46 insurance plans accepted
  • speaks English
  • University Of Santo Tomas Faculty Of Medicine And Surgery
  • 1 written review
  • 1 specialty
  • 10 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

Astria Health Center - Zillah

915 Vintage Valley Pkwy Ste 200Zillah, WA 98953
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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Gilbert OngJi Soo Choi, APRNDr. James Michael David, MDVu Le
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3.8 
29 Years of Experience 53 Years of Experience 20 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Zillah , WASacramento , CACoeur D Alene , IDUnion Gap , WA
Med School: University Of Santo Tomas Faculty Of Medicine And Surgery Med School: New York University Med School: UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE Med School: St Matthews University
Current Profile
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Insurance Plans Accepted by Gilbert Ong

  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • AmeriGroup
  • APWU
  • Assurant Health
  • CHAMPVA
  • Cigna
  • Community Health Plan of Washington
  • First Choice Health
  • GEHA
  • Group Health Cooperative
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Kaiser Permanente
  • Magellan Health
  • Magellan Health - DSNP
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • Mutual of Omaha - Medicare
  • New Hampshire Healthy Families
  • New Hampshire Healthy Families - HMO
  • Nippon Life Benefits
  • Optum Health
  • PacificSource Health Plans
  • Premera Blue Cross
  • Providence Health Plans
  • Regence BlueShield
  • Sierra Health and Life
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Wellcare
  • Wellcare - Medicare

Medical Specialties

Gilbert Ong has the following specialty

Specialty Expertise

Gilbert Ong has the following 10 areas of expertise

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

Certifications, License, & Education

29 Years Experience

Gilbert Ong holds an expired medical license in the state of Washington.

Medical License

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

Education & Training

Medical School

Graduated from University Of Santo Tomas Faculty Of Medicine And Surgery in 1997.

NPI Number

Gilbert Ong's NPI number is 1740310283.

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Frequently Asked Questions

Is Gilbert Ong accepting new patients?
Gilbert Ong is accepting new patients on Vitals. View Gilbert Ong's profile on Vitals to make an appointment.
Does Gilbert Ong accept my insurance?
You can see the insurance plans that Gilbert Ong accepts on their Vitals profile.
How can I make an appointment with Gilbert Ong?
You can find contact information for Gilbert Ong here on Vitals.
Which hospitals is Gilbert Ong affiliated with?
Gilbert Ong is affiliated with Swedish Edmonds Hospital.
Where is Gilbert Ong's office located?
Gilbert Ong's office is located at 915 Vintage Valley Pkwy Ste 200, Zillah, WA, 98953.

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