Summary

Dr. William Kelley treats GERD, melena, and acid reflux, and performs colonoscopy and lower GI endoscopy. He practices gastroenterology in Hillsboro, Oregon, with 27 years of experience.

Dr. Kelley earned his medical degree from Stanford University School of Medicine and is affiliated with OHSU Health Hillsboro Medical Center and Kaiser Permanente Westside Medical Center.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.1
  • 27 years of experience
  • Stanford University School Of Medicine
  • 8 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 2 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. William Mark Kelley has 3 locations

Tuality Digestive Health And General Surgery

333 SE 7th Ave Ste 5200Hillsboro, OR 97123
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

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Dr. William Mark Kelley, MDDr. Joseph Adrien Parent JR., MDDr. Haley Carmichael Neef, MDDr. Anne Marie Breitinger, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
3.2 
2.3 
3.3 
27 Years of Experience 61 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish
Hillsboro , ORPortland , ORPortland , ORLongview , WA
Med School: Stanford University School Of Medicine Med School: Albany Medical College Med School: University Of Miami Leonard M Miller School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. William Mark Kelley

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. William Mark Kelley has the following specialty

Specialty Expertise

Dr. William Mark Kelley 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

27 Years Experience

Dr. William Mark Kelley holds an expired medical license in the state of Oregon.

Medical License

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

Education & Training

Medical School

Graduated from Stanford University School Of Medicine in 1999.

NPI Number

Dr. Kelley's NPI number is 1164477105.

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Frequently Asked Questions

Is Dr. William Kelley accepting new patients?
Dr. William Kelley is accepting new patients on Vitals. View Dr. William Kelley's profile on Vitals to make an appointment.
Does Dr. William Kelley accept my insurance?
You can see the insurance plans that Dr. William Kelley accepts on their Vitals profile.
Which hospitals is Dr. William Kelley affiliated with?
Dr. William Kelley is affiliated with Ohsu Health Hillsboro Medical Center and Kaiser Permanente Westside Medical Center.
Where is Dr. William Kelley's office located?
Dr. William Kelley's office is located at 333 SE 7th Ave Ste 5200, Hillsboro, OR, 97123.
Does Dr. William Kelley accept virtual/telehealth appointments?
Dr. William Kelley has not indicated that they accept virtual/teleheatlh appointments. 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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