Overview
William Hamstra is a General Surgeon in Stockton, California. Dr. Hamstra is rated as an Experienced provider by MediFind in the treatment of Pilonidal Sinus Disease. His top areas of expertise are Gallbladder Disease, Hernia, Choledocholithiasis, Gallstones, and Hernia Surgery. Dr. Hamstra is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
Locations
7373 West Lane, 1st Floor, Stockton, CA 95210
Vallejo Medical Center
Cynthia Terashima is a General Surgeon in Vallejo, California. Dr. Terashima is rated as an Advanced provider by MediFind in the treatment of Pilonidal Sinus Disease. Her top areas of expertise are Pilonidal Sinus Disease, Ogilvie Syndrome, Retroperitoneal Inflammation, Gallbladder Disease, and Hernia Surgery. Dr. Terashima is currently accepting new patients.
South Sacramento Medical Center
Elizabeth Pontarelli is a General Surgeon in Sacramento, California. Dr. Pontarelli is rated as an Advanced provider by MediFind in the treatment of Pilonidal Sinus Disease. Her top areas of expertise are Pilonidal Sinus Disease, Ogilvie Syndrome, Hernia, Appendectomy, and Endoscopy. Dr. Pontarelli is currently accepting new patients.
Jonathan Kohler is a Pediatric Surgeon and a General Surgeon in Sacramento, California. Dr. Kohler is rated as a Distinguished provider by MediFind in the treatment of Pilonidal Sinus Disease. His top areas of expertise are Omphalocele, Umbilical Hernia, Tracheoesophageal Fistula, Appendectomy, and Endoscopy. Dr. Kohler 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
- Experienced
- CholedocholithiasisDr. Hamstra isExperienced. Learn about Choledocholithiasis.
- Gallbladder DiseaseDr. Hamstra isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Hamstra isExperienced. Learn about Gallstones.
- HerniaDr. Hamstra isExperienced. Learn about Hernia.
- Hernia SurgeryDr. Hamstra isExperienced. Learn about Hernia Surgery.
- Pilonidal Sinus DiseaseDr. Hamstra isExperienced. Learn about Pilonidal Sinus Disease.