Summary

Dr. Eugene Chan has practiced internal medicine, gastroenterology, and hospice and palliative medicine for 43 years and is affiliated with Kaiser Permanente Walnut Creek Medical Center. He earned his medical degree from the University of California San Francisco School of Medicine and sees patients in Walnut Creek and Oakland, California. Patients on Vitals rate Dr. Chan 5 out of 5.

Overview based on verified provider data

Quick Facts

  • 5
  • 43 years of experience
  • UNIVERSITY OF CALIFORNIA SAN FRANCISCO SCHOOL OF MEDICINE
  • 3 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 5 office locations
  • Male

Office Locations

Dr. Eugene Toayuen Chan has 5 locations

Kaiser Permanente Walnut Creek Medical Center

1425 S Main StWalnut Creek, CA 94596
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

Highland Hospital

1411 E 31st StOakland, CA 94602

Kaiser Permanente Antioch Medical Center

4501 Sand Creek RdAntioch, CA 94531

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Dr. Eugene Toayuen Chan, MDKarthikeyan Viswanathan, DODr. Adama Diarra, DODr. Suma Oommen, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
5 
0 
5 
0 
43 Years of Experience 12 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Tamil Speaks English, French, Bambara Speaks English
Walnut Creek , CAPalo Alto , CATigard , ORLake Forest , CA
Med School: UNIVERSITY OF CALIFORNIA SAN FRANCISCO SCHOOL OF MEDICINE Med School: Bassett Medical Center - Cooperstown, New York Med School: Arizona College of Osteopathic Medicine Med School: Christian Medical College, Vellore in India
Current Profile
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Insurance Plans Accepted by Dr. Eugene Toayuen Chan

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

Medical Specialties

Dr. Eugene Toayuen Chan has the following 3 specialties

Specialty Expertise

Dr. Eugene Toayuen Chan has the following 12 areas of expertise

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

Certifications, License, & Education

43 Years Experience

Dr. Eugene Toayuen Chan holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Medical School

Graduated from UNIVERSITY OF CALIFORNIA SAN FRANCISCO SCHOOL OF MEDICINE and University Of California San Francisco School Of Medicine in 1983.

NPI Number

Dr. Chan's NPI number is 1528146610.

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Frequently Asked Questions

Does Dr. Eugene Chan accept my insurance?
You can see the insurance plans that Dr. Eugene Chan accepts on their Vitals profile.
Where is Dr. Eugene Chan's office located?
Dr. Eugene Chan's office is located at 1425 S Main St, Walnut Creek, CA, 94596.
Which hospitals is Dr. Eugene Chan affiliated with?
Dr. Eugene Chan is affiliated with Kaiser Permanente Walnut Creek Medical Center.
Does Dr. Eugene Chan accept virtual/telehealth appointments?
Dr. Eugene Chan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Eugene Chan accepting new patients?
Dr. Eugene Chan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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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