Overview
A surgical practice with a personal, caring attitude.
Dr. Martin is rated as a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Bile Duct Stricture, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- INDEMNITY
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
9041 Magnolia Ave, Ste 202, Riverside, CA 92503
Western Bariatric, A Medical Corporation
Douglas Krahn, MD, FACS, is a founder of Western Baraitric, AMC, the medical director of Parkview Center for Weight Loss, in Riverdale CA, and is also the founder and medical director of Weight Loss Services at St. Bernadine Medical Center in San Bernadino, CA. He was fellowship trained in Bariatric surgery in 2001 by Robert T. Merema, MD, FACS, at Holy Cross Hospital in Fort Lauderdale, FL. Dr. Krahn received undergraduate and MD degrees from the University of California Davis, and general surgery certification from Loma Linda University. He is a current member of the American Society for Metabolic and Bariatric Surgery, the AMA, and a Fellow of the American College of Surgeons. Dr. Krahn has preformed over 3000 Bariatric surgeries, and focuses his practice on a multitude of operations, which include LAGB, LGBP, Laparoscopic Silastic Ring GBP, LSG, and Revision Surgery. He remains committed to optimal selection of these operative tools to help patients achieve tremendous improvements in their health and quality of life.Inspiriting hope, health, and quality of life. Dr. Krahn is rated as a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Obesity in Children, Gastroesophageal Reflux Disease (GERD), Sleeve Gastrectomy, and Gastrectomy.
Advanced Bariatric Center
Dr. H. Joseph Naim received his Bachelor of Science in Biology from University of Southern California in Los Angeles, and received his Medical Degree from Mount Sinai School of Medicine in New York City with a distinction in Research. He completed his residency in General Surgery at New York Methodist Hospital in Brooklyn, N.Y., where he was Chief Resident during his final year. Dr. Naim completed his Fellowship in Minimally Invasive Bariatric Surgery at University Medical Center at Princeton, N.J., under the direction of world renowned bariatric surgeon Robert E. Brolin, MD.I try to communicate with my patients. I strive to explain their medical condition and discuss their treatment options in plain language. Questions are answered. I want no patient to leave the office thinking they were rushed through their visit. Dr. Naim is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Obesity in Children, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy.
Western Bariatric, A Medical Corporation
David Bernstein is a General Surgeon and a Bariatric Medicine provider in Riverside, California. Dr. Bernstein is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Bile Duct Stricture, Thrombophlebitis, Sleeve Gastrectomy, and Gastrectomy.
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
- Distinguished
- ObesityDr. Martin isDistinguished. Learn about Obesity.
- Advanced
- Bile Duct StrictureDr. Martin isAdvanced. Learn about Bile Duct Stricture.
- CholecystitisDr. Martin isAdvanced. Learn about Cholecystitis.
- CholedocholithiasisDr. Martin isAdvanced. Learn about Choledocholithiasis.
- Congenital Diaphragmatic HerniaDr. Martin isAdvanced. Learn about Congenital Diaphragmatic Hernia.
- Food AllergyDr. Martin isAdvanced. Learn about Food Allergy.
- Gallbladder DiseaseDr. Martin isAdvanced. Learn about Gallbladder Disease.
- Experienced
- AcrospiromaDr. Martin isExperienced. Learn about Acrospiroma.
- Acute PancreatitisDr. Martin isExperienced. Learn about Acute Pancreatitis.
- Biliary DyskinesiaDr. Martin isExperienced. Learn about Biliary Dyskinesia.
- CellulitisDr. Martin isExperienced. Learn about Cellulitis.
- Childhood PancreatitisDr. Martin isExperienced. Learn about Childhood Pancreatitis.
- Colonic MalakoplakiaDr. Martin isExperienced. Learn about Colonic Malakoplakia.

