Overview
John O'holleran is a General Surgeon in Oregon City, Oregon. Dr. O'holleran is highly rated in 3 conditions, according to our data. His top areas of expertise are Cholecystitis, Gallbladder Disease, Hernia, Gallstones, and Lymphadenectomy. Dr. O'holleran is currently accepting new patients.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- PPO
- HMO
- 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
Office
Steven Demeester is a General Surgeon in Portland, Oregon. Dr. Demeester is highly rated in 13 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Diaphragmatic Hernia, Hernia, Endoscopy, and Gastrectomy.
Lee Swanstrom is a General Surgeon in Portland, Oregon. Dr. Swanstrom is highly rated in 12 conditions, according to our data. His top areas of expertise are Achalasia, Hiatal Hernia, Diaphragmatic Hernia, Endoscopy, and Gallbladder Removal.
OHSU Hospital
Howard Song is a General Surgeon in Portland, Oregon. Dr. Song is highly rated in 15 conditions, according to our data. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Mitral Valve Regurgitation, Aortic Valve Stenosis, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.
Frequently Asked Questions about Dr. John D. O'holleran
How do I make an appointment with Dr. John D. O'holleran?
You can book an appointment with Dr. John D. O'holleran by calling their office at 503-723-6525. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John D. O'holleran a top-rated expert for Cholecystitis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John D. O'holleran is classified as an Advanced expert for Cholecystitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John D. O'holleran specialize in?
While Dr. John D. O'holleran is a General Surgery, they have specific expertise in Cholecystitis, Gallbladder Disease, and Hernia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within General Surgery.
Does Dr. John D. O'holleran accept my insurance?
Dr. John D. O'holleran accepts most major insurance plans, including Aetna and Blue Cross Blue Shield. We recommend calling the office directly at 503-723-6525 to verify that your specific plan is currently accepted before your visit.
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
- CholecystitisDr. O'holleran isAdvanced. Learn about Cholecystitis.
- Gallbladder DiseaseDr. O'holleran isAdvanced. Learn about Gallbladder Disease.
- HerniaDr. O'holleran isAdvanced. Learn about Hernia.
- Experienced
- AngiosarcomaDr. O'holleran isExperienced. Learn about Angiosarcoma.
- Biliary DyskinesiaDr. O'holleran isExperienced. Learn about Biliary Dyskinesia.
- Breast CancerDr. O'holleran isExperienced. Learn about Breast Cancer.
- CellulitisDr. O'holleran isExperienced. Learn about Cellulitis.
- CholedocholithiasisDr. O'holleran isExperienced. Learn about Choledocholithiasis.
- Diverticular DiseaseDr. O'holleran isExperienced. Learn about Diverticular Disease.