Overview
David O'brien is a Colorectal Surgeon and a General Surgeon in Portland, Oregon. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Anorectal Abscess. His top areas of expertise are Familial Colorectal Cancer, Hemorrhoids, Proctitis, Ileostomy, and Colostomy. Dr. O'brien is currently accepting new patients.
His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- PPO
- EPO
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Sunnybrook Medical Office
Jeffrey Barton is a General Surgeon and a Colorectal Surgeon in Clackamas, Oregon. Dr. Barton has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Anorectal Abscess. His top areas of expertise are Genital Warts, Colorectal Cancer, Familial Colorectal Cancer, Hernia Surgery, and Ileostomy. Dr. Barton is currently accepting new patients.
University Professional Services
Vassiliki Tsikitis is a Colorectal Surgeon and a General Surgeon in Portland, Oregon. Dr. Tsikitis is rated as an Advanced provider by MediFind in the treatment of Anorectal Abscess. Her top areas of expertise are Crohn's Disease, Familial Colorectal Cancer, Colorectal Cancer, Hernia Surgery, and Colonoscopy. Dr. Tsikitis is currently accepting new patients.
Jeffrey Manchio is a General Surgeon and a Colorectal Surgeon in Portland, Oregon. Dr. Manchio is rated as an Advanced provider by MediFind in the treatment of Anorectal Abscess. His top areas of expertise are Familial Colorectal Cancer, Hemorrhoids, Anal Cancer, and Genital Warts. Dr. Manchio is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Familial Colorectal CancerDr. O'brien isAdvanced. Learn about Familial Colorectal Cancer.
- HemorrhoidsDr. O'brien isAdvanced. Learn about Hemorrhoids.
- IleostomyDr. O'brien isAdvanced. Learn about Ileostomy.
- Experienced
- Anal CancerDr. O'brien isExperienced. Learn about Anal Cancer.
- Anal FissureDr. O'brien isExperienced. Learn about Anal Fissure.
- Anorectal AbscessDr. O'brien isExperienced. Learn about Anorectal Abscess.
- Bowel IncontinenceDr. O'brien isExperienced. Learn about Bowel Incontinence.
- Colorectal CancerDr. O'brien isExperienced. Learn about Colorectal Cancer.
- ColostomyDr. O'brien isExperienced. Learn about Colostomy.