Overview
John O'holleran is a General Surgeon in Oregon City, Oregon. Dr. O'holleran is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Cholecystitis, Gallbladder Disease, Hernia, Gallstones, and Lymphadenectomy. Dr. O'holleran is currently accepting new patients.
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
Peacehealth
Corey Johnson is a General Surgeon in Longview, Washington. Dr. Johnson is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Ogilvie Syndrome, End-Stage Renal Disease (ESRD), Colostomy, and Hernia Surgery. Dr. Johnson is currently accepting new patients.
Andre Grisham is a General Surgeon in Portland, Oregon. Dr. Grisham is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Gastrointestinal Perforation, Ogilvie Syndrome, Gallbladder Removal, and Hernia Surgery. Dr. Grisham is currently accepting new patients.
The Vancouver Clinic Inc Ps
Steven Slovic is a General Surgeon and a Vascular Surgeon in Vancouver, Washington. Dr. Slovic is rated as a Distinguished provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Hernia, Cholecystitis, Gallbladder Disease, Hernia Surgery, and Colostomy. Dr. Slovic 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
- 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.