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  • Surgery, Other Specialty
  • Accepting new patients
  • 39 years of experience
  • Hamstra William N Office 2821 Crow Canyon Rd Ste 201, San Ramon, CA 94583
  • (925) 447-0660

Brief Intro

Our care philosophy as an Osteopathic practice is to provide comprehensive care, integrating the mind and body, in order to alleviate pain, increase wellness, and improve health. Rather than focusing exclusively on the disease and its symptoms, we believe in treating the whole person to ensure high quality total care of the patient. Our dedicated staff aims to provide excellent care in a comfortable and inviting environment. We will be happy to answer any questions that you have regarding your care, pre and post surgery.

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Education Background

RESIDENCY

Riverside Osteopathic Hospital

MEDICAL SCHOOL

Oklahoma State Univ Center For Health Sciences College Of Osteopathic Med - 1986

Languages Spoken

  • Spanish
  • English

Location & Hours

  • Hamstra William N Office
  • 2821 Crow Canyon Rd Ste 201, San Ramon, CA 94583
  • Mon:9:00 am - 5:00 pm
    Tue:9:00 am - 5:00 pm
    Wed:9:00 am - 5:00 pm
    Thu:9:00 am - 5:00 pm
    Fri:9:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Surgery
  • Other Specialty

Conditions Addressed

  • Malignant Neoplasm of Colon
  • Gastrointestinal Hemorrhage
  • Inguinal Hernia
  • Abdominal Aortic Aneurysm
  • Melanoma
  • Skin Cancer
  • Appendicitis
  • Cholelethiasis or Cholecystitis
  • Ventral Hernia
  • Hemorrhoids
  • Abdominal Hernia
  • Intestinal Obstruction
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Procedures Performed

  • Laparoscopic Appendectomy
  • Appendectomy
  • Colonoscopy
  • Sigmoidoscopy
  • Hernia Repair
  • Laparoscopic Gallbladder Removal
  • Sigmoidoscopy
  • Small Bowel Resection
  • Cholecystectomy
  • Destruction of Lesions on the Anus
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • AllCare Health
  • Fresenius Health Plans
  • Kaiser Permanente
  • Aetna
  • Blue Cross Blue Shield of Oklahoma
  • Health Net
  • Contra Costa Health Plan
  • Health Plan of San Joaquin
  • CHAMPVA
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  • Cancer 86
  • Cardiology, Heart & Vascular Surgery 79
  • Orthopedics 161
  • Neurology & Neurosurgery 120
  • Gastroenterology & GI Surgery 149
  • Pulmonology & Lung Surgery 161
  • Diabetes & Endocrinology 65
  • Children's Hospital 18
  • Urology 149
  • Psychiatry 91
  • Geriatrics 143
  • Rehabilitation 73
  • Obsterics & Gynecology 23
  • Ophthalmology 8
  • Ear, Nose & Throat 10
  • Rheumatology 4
  • Long Term Care 19
  • Maternity Care (Uncomplicated Pregnancy) 99