Dr. William Norman Hamstra DO Surgeon
Dr. William Hamstra is a surgeon in Livermore, California. He is affiliated with multiple hospitals in the area, including Corona Regional Medical Center and John Muir Medical Center, Walnut Creek. He received his medical degree from Oklahoma State University College of Osteopathic Medicine and has been in practice for 22 years. Dr. Hamstra accepts several types of health insurance, listed below. He is one of 11 doctors at Corona Regional Medical Center and one of 42 at John Muir Medical Center, Walnut Creek who specialize in Surgery.
Are you Dr. William Hamstra? Claim your profile to make edits or add details. Edit Profile
Specialty & Clinical Interests
Surgeon: General Surgery, Bariatric, Breast
Education & Medical Training
Riverside Osteopathic Hospital - Henry H Ford
Residency, General Surgery, 1987 - 1991
Oklahoma State University College of Osteopathic Medicine
Class of 1986
Publications & Presentations
The effect of urethane on pituitary-adrenal function of female rats.
Hamstra, W. N., Doray, D., Dunn, J. D.
- Aetna Choice POS II
- Aetna HMO
- BCBS Blue Card PPO
- BCBS California CaliforniaCare HMO
- BCBS California PowerSelect HMO
- BCBS California PPO
- Blue Shield CA Local Access Plus HMO
- Blue Shield California HMO
- Blue Shield California PPO
- CIGNA HMO
- CIGNA Open Access
- CIGNA PPO
- First Health PPO
- GHI PPO
- Great West PPO
- Health Net California Large Group PPO
- Humana ChoiceCare Network PPO
- Multiplan PHCS PPO
- Multiplan PPO
- Pacificare HMO
- United Healthcare - Direct Choice Plus POS
- United Healthcare - Direct Options PPO
Help Us Keep the "U.S. News Doctor Finder" Current
If you are aware of information on this pagethat is out of date or incorrect, please let us know.
*Required Field | Your email will not be used for marketing.
Your Message Has Been Submitted
As part of our research on the correction you submitted, you may be contacted at the email address provided.
Sorry, Your Message Could Not Be Submitted
Please try again later, or E-mail your message to email@example.com and include the Web address (URL) of the page that contains incorrect information.
1074 Murrieta Blvd
additional offices: in San Ramon and Manteca
Livermore, CA 94550
Phone: (925) 447-0660
Fax: (925) 443-7506