Summary

Dr. Alan Chang treats colon polyps, gastritis, and diverticular disease, and performs colonoscopy and lower GI endoscopy. He practices gastroenterology, internal medicine, and emergency medicine and has 37 years of experience. Dr. Chang is affiliated with Peacehealth Saint Joseph Medical Center, Gundersen Lutheran Medical Center, and Centracare Saint Cloud Hospital, and sees patients in Bellingham, Washington. He completed his residency at St. Vincent Hospital and received his medical degree from the University of Hawaii at Manoa. Patients on Vitals rate Dr. Chang 5 out of 5.

Overview based on verified provider data

Quick Facts

  • 5
  • 37 years of experience
  • speaks English
  • St Vincent Hospital
  • 1 written review
  • 3 specialties
  • 12 areas of expertise
  • 3 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Alan Gar Yin Chang has 2 locations

Mount Baker Imaging

2930 Squalicum Pkwy Ste 101Bellingham, WA 98225
Mon7:00 am - 6:00 pm
Tue7:00 am - 6:00 pm
Wed7:00 am - 6:00 pm
Thu7:00 am - 6:00 pm
Fri7:00 am - 6:00 pm
Sat8:30 am - 3:30 pm
SunClosed

Peacehealth Saint Joseph Medical Center

2901 Squalicum PkwyBellingham, WA 98225

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Dr. Alan Gar Yin Chang, MDJi Soo Choi, APRNDr. Tara Lea MontgomeryDr. Hannah Sheinin, MD
GastroenterologyGastroenterologyEmergency MedicineGastroenterology
Accepts New Patients Accepts New Patients
5 
0 
3 
3.6 
37 Years of Experience 21 Years of Experience 35 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Bellingham , WASacramento , CAMount Vernon , WABellingham , WA
Med School: University Of Hawaii At Manoa Med School: New York University Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Univ Of Alberta Fac Of Med
Current Profile
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Insurance Plans Accepted by Dr. Alan Gar Yin Chang

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

Medical Specialties

Dr. Alan Gar Yin Chang has the following 3 specialties

Specialty Expertise

Dr. Alan Gar Yin Chang has the following 12 areas of expertise

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

Certifications, License, & Education

37 Years Experience

Dr. Alan Gar Yin Chang 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 2026.

Education & Training

Residency

Completed their residency at St Vincent Hospital.

Medical School

Graduated from University Of Hawaii At Manoa in 1989.

NPI Number

Dr. Chang's NPI number is 1255398285.

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Frequently Asked Questions

Does Dr. Alan Chang accept my insurance?
You can see the insurance plans that Dr. Alan Chang accepts on their Vitals profile.
Does Dr. Alan Chang accept virtual/telehealth appointments?
Dr. Alan Chang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Alan Chang?
You can find contact information for Dr. Alan Chang here on Vitals.
Is Dr. Alan Chang accepting new patients?
Dr. Alan Chang has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Alan Chang speak?
Dr. Alan Chang speaks English.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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