Overview
Mark O'brien is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. O'brien is rated as an Experienced provider by MediFind in Microdiscectomy. His top areas of expertise are Sepsis, Stroke, Pneumonia, Hip Replacement, and Ureteroscopy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- 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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MEDICARE MAPD
- 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
Tahseen Shareef is a primary care provider, practicing in Internal Medicine in Chino Hills, California. Dr. Shareef is rated as an Experienced provider by MediFind in Microdiscectomy. Her top areas of expertise are Obesity, Diabetic Ketoacidosis, Osteomyelitis in Children, Sacral Nerve Stimulation, and Vertebroplasty.
Providence Medical Foundation
Afshin Doust is a primary care provider, practicing in Internal Medicine in Mission Viejo, California. Dr. Doust is rated as an Advanced provider by MediFind in Microdiscectomy. His top areas of expertise are Osteoarthritis, Diverticular Disease, Retroperitoneal Inflammation, Hernia Surgery, and Gastrostomy.
Enlightened Healthcare Alliance Medical Corporation
Adam Ellis is a primary care provider, practicing in Internal Medicine in Encinitas, California. Dr. Ellis is rated as an Advanced provider by MediFind in Microdiscectomy. His top areas of expertise are Lung Cancer, Orthostatic Hypotension, Sepsis, Endoscopy, and Knee Replacement.
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
- Experienced
- Acute Kidney FailureDr. O'brien isExperienced. Learn about Acute Kidney Failure.
- Acute PancreatitisDr. O'brien isExperienced. Learn about Acute Pancreatitis.
- ApoplexyDr. O'brien isExperienced. Learn about Apoplexy.
- Atypical PneumoniaDr. O'brien isExperienced. Learn about Atypical Pneumonia.
- Bacterial GastroenteritisDr. O'brien isExperienced. Learn about Bacterial Gastroenteritis.
- Cardiomyopathy Due to AnthracyclinesDr. O'brien isExperienced. Learn about Cardiomyopathy Due to Anthracyclines.