Photo of LeRoy W. Keiser, MD

LeRoy W. Keiser, MD

Accepting New Patients
Offers Video Visits
3555 Round Barn Circle, Suite A
Santa Rosa, CA 95403
2113.0 miles away
Speaks: English
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Providence Medical Group Santa Rosa - Cancer Center

3555 Round Barn Circle, Suite A, Santa Rosa, CA 95403

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About LeRoy W. Keiser

Dr. Keiser graduated from the University of Illinois with a Bachelors Degree in Chemistry. He attended Stanford Medical School where also completed his residency work and has a fellowship from Yale University in Medical Oncology.

Dr. Keiser joined Redwood Regional Medical Group in 1977 and presently serves as Principal Investigator for Redwood's gastrointestinal clinical trials. He also is President of the Association of Northern California Oncologists (ANCO).

Dr. Keiser is also on Medical Staff at all local hospitals in Santa Rosa and surrounding cities, including Petaluma, Lakeport, Sonoma and Ukiah.

Medical School

Stanford University School of Medicine
1973

Internship

Stanford University School of Medicine
Internal Medicine
1974

Residency

Stanford University School of Medicine
Internal Medicine
1975

Fellowship

Yale University School of Medicine
Oncology
1977

Board Certifications
  • American Board of Internal Medicine, Medical Oncology
  • American Board of Internal Medicine, Internal Medicine
Providence Medical Group Santa Rosa - Cancer Center
3555 Round Barn Circle, Suite A
Santa Rosa, CA 95403

Affiliated Locations
Santa Rosa Memorial Hospital
Petaluma Valley Hospital

Clinical Interests

  • Adverse Effects To Anticoagulants
  • Aids Related Malignancies
  • Anaplastic Meningioma
  • Anemia
  • Anticoagulation
  • Antiphospholipid Syndrome
  • Atypical Meningioma
  • Bleeding Disorder
  • Blood Cancer
  • Blood Clotting Disorder
  • Blood Disorders
  • Bone Marrow Biopsy
  • Bone Marrow Disorders
  • Bone Marrow Transplant
  • Breast Cancer
  • Breast Cancer Chemotherapy
  • Breast Cancer Genomics
  • Cancer
  • Cancer Chemotherapy
  • Cancer Pain
  • Cancer Related Anxiety Disorder
  • Cancer Related Bereavement Disorder
  • Cancer Related Depression
  • Cancer Related Fatigue
  • Cancer Related Psychiatric Disorder
  • Cancer Related Stress Disorder
  • Cancer Risk Assessment
  • Cancer Survivor
  • Carcinoma Of Unknown Primary
  • Catastrophic Antiphospholipid Syndrome (Caps)
  • Chemoradiation
  • Clear Cell Meningioma
  • Clinical Trials
  • Colorectal Cancer
  • Crizotinib
  • Deep Thrombophlebitis
  • Deep Vein Thrombosis
  • Egfr Mutation
  • Egfr Translocation
  • Endocrine Complications Of Cancer Therapy
  • Endometrial Cancer
  • Epithelioid Malignant Peripheral Nerve Sheath Tumor
  • Erlotinib
  • Factor Eight Disorder
  • Factor Nine Deficiency
  • Fibrous Meningioma
  • Germinoma
  • Giant Cell Tumor Of The Bone
  • Gynecologic Cancer Genomics
  • Head And Neck Cancer
  • Hellp Syndrome
  • Hematologic Malignancies
  • Hemoglobinopathies
  • Hemophilia
  • Histiocytic Sarcoma
  • Hypercoagulable State
  • Idiopathic Thrombocytopenic Purpura
  • Immature Teratoma
  • Iron Deficiency Anemia
  • Leukocytosis
  • Leukopenia
  • Lung Cancer
  • Lupus Anticoagulant
  • Lymphedema Therapy
  • Lymphoma
  • Lymphopenia
  • Melanoma
  • Melanoma Of The Rectum
  • Melanoma On Foot
  • Melanoma On Leg
  • Melanoma On Toe
  • Melanoma On Trunk
  • Melanoma Surgery
  • Melanotic Schwannoma
  • Meningeal Melanoma
  • Metastatic Liver Cancer
  • Metastatic Prostate Cancer
  • Mucosal Melanoma
  • Musculoskeletal Tumor
  • Myelodysplasia
  • Myelodysplastic Syndrome
  • Myeloproliferative Diseases
  • Neutropenia
  • Non Germinomatous Germ Cell Tumor
  • Non Hodgkin Lymphoma
  • Oral Complications Of Cancer
  • Oral Lesions
  • Osteosarcoma
  • Pancytopenia
  • Petechiae
  • Polycythemia
  • Post Thrombotic Syndrome (Pts)
  • Primary Myelofibrosis
  • Prothrombin Gene Mutation
  • Pulmonary Metastases
  • Recurrent Thrombosis
  • Retroperitoneal Mass
  • Sarcoma
  • Secondary Polycythemia
  • Sickle Cell Disease
  • Side Effects Of Cancer Treatment
  • Splenomegaly
  • Squamous Cell Carcinoma Of The Head And Neck
  • Squamous Cell Carcinoma Of The Tongue
  • Stomach Cancer
  • Submucosal Tumors
  • Supratentorial Primitive Neuroectodermal Tumor
  • Sweat Gland Carcinoma
  • Targeted Molecular Therapy
  • Teratoma With Malignant Transformation
  • Thalassemia
  • Thoracic Cancer
  • Thrombocytopenia
  • Thrombophilia
  • Thrombotic Disorders
  • Thrombotic Thrombocytopenic Purpura
  • Thyroid Cancer
  • Tracheal Cancer
  • Unknown Primary Cancer
  • Vaginal Melanoma
  • Venous Occlusive Crisis
  • Von Willebrand Disease
  • Waldenstrom Macroglobulinemia
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