Overview
John Lipham is a General Surgeon in Los Angeles, California. Dr. Lipham is highly rated in 22 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Hernia, Endoscopy, and Gastrectomy.
His clinical research consists of co-authoring 86 peer reviewed articles and participating in 7 clinical trials. MediFind looks at clinical research from the past 15 years.
Insurance
MediFind strives to display the most accurate insurance information for every doctor. Please contact your provider to confirm if they accept your insurance.
Locations
1450 San Pablo St, Los Angeles, CA 90033
9920 Talbert Ave, Fountain Valley, CA 92708
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.
7 Clinical Trials
Cedars-Sinai Medical Center
Nicholas Nissen is a General Surgeon and a Transplant Surgeon in West Hollywood, California. Dr. Nissen is highly rated in 67 conditions, according to our data. His top areas of expertise are Neuroendocrine Tumor, Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Liver Transplant, and Pancreatectomy.
Karen Zaghiyan is a General Surgeon and a Colorectal Surgeon in West Hollywood, California. Dr. Zaghiyan is highly rated in 16 conditions, according to our data. Her top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Anal Fissure, Ileostomy, and Hemorrhoidectomy.
The Regents Of The University Of California
Timothy Donahue is a General Surgeon and a Surgical Oncologist in Los Angeles, California. Dr. Donahue is highly rated in 19 conditions, according to our data. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatoblastoma, Pancreatectomy, and Pancreaticoduodenectomy.
Areas of Expertise
When evaluating expertise, MediFind pulls from factors such as the 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.
To learn more about how MediFind determines the expertise levels, check out our expert tiers page.
- Distinguished
- Achalasia
- Barrett Esophagus
- Congenital Diaphragmatic Hernia
- Diaphragmatic Hernia
- Endoscopy
- Esophagitis
- Advanced
- Bile Duct Stricture
- Chronic Erosive Gastritis
- Esophageal Cancer
- Gastrectomy
- Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET)
- Gastroparesis
- Experienced
- Cholecystitis
- Choledocholithiasis
- Congenital Generalized Fibromatosis
- Desmoid Tumor
- Diverticular Disease
- Donnai-Barrow Syndrome