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About Dr. William N Hamstra
Dr. William N Hamstra, DO is a Doctor primarily located in San Ramon, CA, with another office in San Ramon, CA. He has 32 years of experience. His specialties include Bariatric Medicine. Dr. Hamstra is affiliated with San Ramon Regional Medical Center. Dr. Hamstra has received 4 awards. He speaks English.
Dr. William N Hamstra has the following 1 specialty
- Bariatric Medicine
Bariatric medicine focuses on the causes, prevention and treatment of obesity. Bariatric specialists are trained in medically supervised weight loss and the management of obesity as a chronic condition. These specialists are skilled in various disciplines that help patients lose weight and obtain optimal health.
The field encompasses dieting, exercise and behavioral therapy, anti-obesity medication, pharmacotherapy and surgery. Bariatric specialists might be from surgical backgrounds and perform obesity-related operations or they might be nutrition and hormone focused, prescribing diet and exercise plans as well as weight loss medications.
Patients defined as obese or having unhealthy Body Mass Indices (BMI) have much greater risk of heart disease, diabetes, asthma, sleep apnea, hypertension, many types of cancer and chronic musculoskeletal problems.
One subspecialty of bariatrics is the focus on the correlation between obesity and mortality.
- Weight Loss Surgery (Bariatric Surgery)
- Laproscopic Surgery (Laparoscopy)
- Gallbladder Surgery
- Colon Cancer
- Inflammatory Bowel Diseases (IBD)
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Dr Hamstra performed surgery on my son after his appendix ruptured. He took the time to talk us through the procedure, possible risks and what actions they would take if problems occurred. The surgery was a success despite the complications created when the appendix ruptured. Post surgery he stay closely involved with our son and helped my wife and I when we had questions or concerns. I would choose him for anyone in my family or myself in the future. Exceptional surgeon, outstanding manner and outstanding character. What a Doctor should be.
Ok, so I had not ever needed surgery prior to this one but Dr. Hamstra made it a very successful one. His staff is professional, attentive and on the ball. He's a no nonsense doctor who explains things clearly and fully. The surgery went well so there was no need to visit me in during the overnight hospital stay so that's the reason for a 3 on the Bedside Manner rating, but I'm sure he would have set a high rating for that as well. Very positive experience and outcome.
I had emergency surgery and Dr. Hamstra was my surgen. You hear horror stories about how you are just a number but Dr. Hamstra changed that perception quickly. He really cares about your well being. He spends time explaining the options and issues. He gives you time for your questions. He visited me twice in one day. Once at 1pm and another at 9pm following a long day of surgery just to make sure I was ok. He is one of a kind. I highly recommend him.
Patients' Choice Award (2009, 2014, 2010, 2011, 2008, 2012)
Patients' Choice recognition reflects the difference a particular physician has made in the lives of his/her patients. The honor is bestowed to physicians who have received near perfect scores, as voted by patients.
Compassionate Doctor Recognition (2010, 2012, 2011)
Compassionate Doctor certification is granted to physicians who treat their patients with the utmost kindness. The honor is granted based on a physician's overall and bedside manner scores.
On-Time Doctor Award (2014)
Vitals On-Time + Promptness Award recognizes doctors with consistent high ratings for timeliness of appointments. The honor is granted based on a physician's overall and promptness scores.
Patients' Choice 5th Anniversary Award (2012)
The Patients' Choice Award - 5 Year Honoree is a recognition granted only to those doctors whose ratings have reflected excellence in care for five years in a row. Only 1% of all doctors in the United States are bestowed this honor by their patients.
Dr. Hamstra is affiliated (can practice and admit patients) with the following hospital(s).
32 Years Experience
Oklahoma State University College Of Osteopathic Medicine
Graduated in 1986
Riverside Osteopathic Hospital
Dr. William N Hamstra accepts the following insurance providers.
- Aetna Choice POS II
- Aetna HMO
- Aetna HMO Deductible Plan CA only
- Aetna Managed Choice POS Open Access
- Aetna Signature Administrators PPO
BCBS Blue Card
- BCBS Blue Card PPO
Blue Cross California
- BC CA California Care Small Group HMO
- Blue Cross CA PPO Prudent Buyer Small Group
- Blue Cross CA Advantage PPO Preferred DirectAccess Plus
- Blue Cross CA California Care Large Group HMO
- Blue Cross CA PPO Prudent Buyer Individual
- Blue Cross CA PPO Prudent Buyer Large Group
- Blue Cross CA Select HMO
- Blue Cross CA Select Plus HMO
Blue Shield California
- BS CA Platinum 90 PPO
- Blue Shield CA Access Plus HMO
- Blue Shield CA Access Plus Savenet
- Blue Shield CA Bronze 60 PPO SHOP
- Blue Shield CA Bronze Full PPO 4500
- Blue Shield CA Local Access Plus HMO
- Blue Shield CA PPO
- Blue Shield CA Platinum Access+ HMO 25
- Blue Shield CA Platinum Local Access + HMO 25
- Blue Shield CA Silver 70 PPO
- Blue Shield CA Trio ACO HMO
- CIGNA HMO
- CIGNA LocalPlus
- CIGNA Open Access Plus
- CIGNA PPO
- First Health PPO
- Health Net CA HMO Employer Group
- Health Net CA HMO Whole Care Network
- Health Net CA PPO
- Health Net EPO - PureCare One Small Business
- Health Net SmartCare Large Group
- Humana Choice POS
- Multiplan PPO
- PHCS PPO
- UHC Choice Plus POS
- UHC Navigate HMO
- UHC Navigate POS
- UHC Options PPO
- View by Location
Locations & Directions
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Dr. William N Hamstra is similar to the following 3 Doctors near San Ramon, CA.