Summary

Dr. Diane Bai is a gastroenterologist and internal medicine physician who has dedicated 26 years to caring for patients with digestive health concerns. She earned her medical degree from the University of Texas Southwestern Medical School and completed her residency at Columbia University College of Physicians and Surgeons. Her dual specialty training allows her to provide comprehensive care that addresses both complex digestive disorders and general internal medicine needs. Dr. Bai is fluent in Spanish and Korean, enabling her to serve diverse patient populations in their preferred languages.

Dr. Bai practices at Saint Clare Hospital and Saint Joseph Medical Center, with locations in Tacoma, Puyallup, and Lakewood, Washington. She specializes in treating common digestive conditions such as colon polyps, hemorrhoids, and GERD. Her expertise includes performing colonoscopies and lower GI endoscopies to diagnose and monitor digestive health issues. Dr. Bai also utilizes pathology tests to ensure accurate diagnoses for her patients. Patients have given her an average rating of 3.9 out of 5 on Vitals, reflecting their experiences with her care.
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Overview based on verified provider data

Quick Facts

  • 3.9
  • 26 years of experience
  • speaks Spanish, Korean
  • Columbia University College of Physicians and Surg
  • 14 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 4 office locations
  • Female

Patients’ Perspective

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

Office Locations

Dr. Diane Yun Bai has 4 locations

Dr. Diane Yun Bai

6002 Westgate Blvd Ste 230Tacoma, WA 98406
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Diane Yun Bai

2910 S Meridian Ste 350Puyallup, WA 98373

Saint Clare Hospital

11315 Bridgeport Way SwLakewood, WA 98499

Franciscan Digestive Care Associates Pearl Place

6002 Westgate Blvd Ste 230Tacoma, WA 98406
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Diane Yun Bai, MDJi Soo Choi, APRNDr. Eleanor Y Djang, MDDr. Ray Chang, MD
GastroenterologyGastroenterologyDiagnostic RadiologyPhysical Medicine & Rehabilitation
Accepts New Patients
3.9 
26 Years of Experience 28 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Korean Speaks English Speaks English Speaks English
Tacoma , WASACRAMENTO , CASeattle , WALakewood , WA
Med School: University Of Texas Southwestern Medical School Med School: New York University Med School: University Of Texas Southwestern Medical School Med School: Northwestern University Feinberg School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Diane Yun Bai

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

Medical Specialties

Dr. Diane Yun Bai has the following 2 specialties

Specialty Expertise

Dr. Diane Yun Bai has the following 13 areas of expertise

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

Certifications, License, & Education

26 Years Experience

Dr. Diane Yun Bai 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 Columbia University College of Physicians and Surg.

Medical School

Graduated from University Of Texas Southwestern Medical School in 2000.

NPI Number

Dr. Bai's NPI number is 1932145646.

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Frequently Asked Questions

What languages does Dr. Diane Bai speak?
Dr. Diane Bai speaks Spanish and Korean.
How can I make an appointment with Dr. Diane Bai?
You can find contact information for Dr. Diane Bai here on Vitals.
Does Dr. Diane Bai accept virtual/telehealth appointments?
Dr. Diane Bai has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Diane Bai's office located?
Dr. Diane Bai's office is located at 6002 Westgate Blvd Ste 230, Tacoma, WA, 98406.
Which hospitals is Dr. Diane Bai affiliated with?
Dr. Diane Bai is affiliated with Saint Clare Hospital and Saint Joseph Medical Center.

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