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Dr. William Hamstra, DO

General Surgery*
4.8 (16)
Map Pin Small Stockton, CA
Accepting new patients
38 years of experience

Overview of Dr. William Hamstra, DO

Dr. William Hamstra, DO is a General Surgery Specialist in Stockton, CA. They specialize in General Surgery, has 38 years of experience, and is board certified in General Surgery. They graduated from Oklahoma State University Center for Health Sciences College of Osteopathic Medicine and is affiliated with Kaiser Permanente Manteca Medical Center. Dr. Hamstra, completed a residency at Riverside Osteopathic Hospital. Patients rated Dr. Hamstra an average 4.8 star rating.

Dr. Hamstra works at Practice in Stockton, CA with other offices in Modesto, CA. They are accepting new patients and accept Humana as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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These providers are on the medical staff of Saint Joseph's Medical Center
Compare with other General Surgery Specialists
Compare Dr. Hamstra with our nearby General Surgery Specialists at Saint Joseph's Medical Center
These providers are on the medical staff of Saint Joseph's Medical Center.

Dr. Hamstra's Office Locations

  1. 1
    Stockton Medical Offices - Skilled Nursing
    7373 West Ln, Stockton, CA 95210 Icon Directions Right Arrow Directions Phone Icon (209) 476-2000
  2. 2
    Kaiser Foundation Hospital
    4601 Dale Rd, Modesto, CA 95356 Icon Directions Right Arrow Directions Phone Icon (209) 476-2000

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Kaiser Permanente Manteca Medical Center

Experience & Treatment Frequency

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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

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Cholecystitis and Gallstones
Gallstones
Abdominal Disorders

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Cholecystitis and Gallstones
Gallstones
Abdominal Disorders
Abdominal Hernia
Abdominal Pain
Abscess
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Acute Bowel Infarction
Anal and Rectal Cancer
Anal Disorders
Anal Fissure
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Appendicitis
Benign Tumor
Breast Cancer
Breast Diseases
Breast Lump
Cancer
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Colorectal Cancer
Constipation
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diverticulitis
Esophageal Diseases
Gastrointestinal Diseases
Gastroparesis
Hemorrhoids
Hernia
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Hiatal Hernia
Hidradenitis
Hyperparathyroidism
Ileus
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Incisional Hernia
Inflammatory Bowel Disease
Inguinal Hernia
Intestinal Abscess
Intestinal Obstruction
Large Bowel Obstruction
Lipomas
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Lung Cancer
Meckel's Diverticulum
Obesity
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Parathyroid (Gland) Disease
Pelvic Abscess
Pulmonary Disease
Rib Fracture
Ruptured Aortic Aneurysm
Secondary Malignancies
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Stomach Diseases
Thrombosis
Thyroid Cancer
Traumatic Hernia
Tubo-Ovarian Abscess
Ulcer
  • View other providers who treat Ulcer
Ulcerative Colitis
Umbilical Hernia
Varicose Veins
Vascular Disease
Vascular Insufficiency of Intestines
Ventral Hernia
Abdominoplasty
Abscess Incision and Drainage
Abscess or Fluid Incision and Drainage
Advanced Robotic Surgery
Anoscopy
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Biopsy
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Biopsy of Affected Tissue
Biopsy of Breast
Breast Surgical Procedure
Cholecystectomy with Robotic Assist
Colectomy
Colectomy Sigmoidectomy with Robotic Assist
Colon and Rectal Surgery
Cyst Incision and Drainage
da Vinci® Gallbladder Removal
da Vinci® Robotic Surgery
Dressing and-or Debridement of Wound, Infection, or Burn
Enterostomy (Laparoscopic or Open)
Esophageal Surgery
Excision of Benign Skin Lesion
Excision of Breast Tumor
Excision of Cyst
Excision of Neck Mass
Excision of Rectal Tumor
Excision of Skin Cancer
Excision of Skin Lesion
Excision of Soft Tissue Lesion
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Excisional Biopsy
Gallbladder Removal
Gastroenterology Procedures
Head and Neck Surgery
Heart Surgery
Hemorrhoidectomy or Excision of Anal Tags
Hernia Repair
Kidney Surgery
Laparoscopic Appendectomy
Laparoscopic Cholecystectomy Robotic Assist
Laparoscopic Cholecystectomy With Robotic Assistance
Laparoscopic Gallbladder Removal (Cholecystectomy)
Laparoscopic Inguinal Hernia Repair
Laparoscopic Splenectomy
Laparoscopic Surgical Procedure
Laparotomy
Lymph Node Biopsy or Excision
Mastectomy
Minimally Invasive Parathyrodectomy
Open Diaphragmatic or Paraesophageal Hiatal Hernia Repair
Open Incisional or Ventral Hernia Repair
Parathyroidectomy
Peripheral Artery Catheterization
Port Placements or Replacements
Port Removal
Sentinel Node Biopsy
Single Incision Gallbladder Removal
Skin Biopsy
Soft Tissue Mass Biopsy
Soft Tissue Tumor Removal
Sphincterotomy
Stomach Surgery
Thyroid Lobectomy
Thyroidectomy
Thyroidectomy or Thyroid Lobectomy
Total Splenectomy With Robotic Assistance
Wound Repair
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    • Humana
    • Kaiser Permanente

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    Ratings & Reviews
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    4.8
    Average provider rating
    Based on 16 ratings
    Patient Ratings (16)
    5 Star
    (15)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (1)
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    Dr. Hamstra's Office & Staff

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    Experience with Dr. Hamstra

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    • Hpends appropriate amount of time with patients

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    About Dr. William Hamstra, DO

    Specialties*
    • General Surgery

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 38 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1306835723
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • Riverside Osteopathic Hospital
    Residency
    Internship
    • Normandy Osteo Hosps
    Internship
    Medical Education
    • Oklahoma State University Center for Health Sciences College of Osteopathic Medicine
    Medical Education
    Board Certifications
    • General Surgery
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. William Hamstra, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Hamstra is offering online scheduling or call the provider’s office for more information.

    Dr. Hamstra has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    16 patients have reviewed Dr. Hamstra. The overall rating for this provider is 4.8. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Hamstra.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Hamstra, there are benefits to both methods. A person calling to schedule an with Dr. Hamstra appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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