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Dr. Mark Walshauser, MD

Hematology*
3.4 (5)
Map Pin Small O Fallon, IL
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18 years of experience

Overview of Dr. Mark Walshauser, MD

Dr. Mark Walshauser, MD is a Hematology Specialist in O Fallon, IL. They specialize in Hematology, has 18 years of experience. They graduated from Ross University School of Medicine and is affiliated with HSHS St. Elizabeth's Hospital, Memorial Hospital Belleville, Hshs Holy Family Hospital, HSHS St. Joseph's Hospital Breese, HSHS St. Joseph's Hospital Highland, Red Bud Regional Hospital and Sparta Community Hospital. Patients rated Dr. Walshauser an average 3.4 star rating.

Dr. Walshauser works at Cancer Care Specialists Of Illinois in O Fallon, IL with other offices in Sparta, IL and Highland, IL. They frequently treat conditions like Anemia, Vitamin B Deficiency and Ewing's Sarcoma along with other conditions at varying frequencies. 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 Mayo.

Dr. Walshauser's Office Locations

  1. 1
    Cancer Care Specialists of Illinois
    321 Regency Park, O Fallon, IL 62269 Icon Directions Right Arrow Directions Phone Icon (618) 416-7970
  2. 2
    Msa Alliance LLC
    1 Broadway Plz, Sparta, IL 62286 Icon Directions Right Arrow Directions Phone Icon (618) 443-2177
  3. 3
    Urology of St Louis Inc
    12860 Troxler Ave Ste 135, Highland, IL 62249 Icon Directions Right Arrow Directions Phone Icon (618) 651-2888

Hospital Affiliations
Admitting Hospitals

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

  • HSHS St. Elizabeth's Hospital
  • Memorial Hospital Belleville
  • Hshs Holy Family Hospital
  • HSHS St. Joseph's Hospital Breese
  • HSHS St. Joseph's Hospital Highland
  • Red Bud Regional Hospital
  • Sparta Community Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
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.

Search for conditions or procedures.
Anemia
Vitamin B Deficiency
Ewing's Sarcoma
Anemia
Vitamin B Deficiency
Ewing's Sarcoma

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.
Anemia
  • View other providers who treat Anemia
Vitamin B Deficiency
Ewing's Sarcoma
Acquired Hemolytic Anemia
Retroperitoneum Cancer
Venous Embolism and Thrombosis
Anal and Rectal Cancer
Bladder Cancer
Bleeding Disorders
Bone Cancer
Brain Cancer
Breast Cancer
Breast Carcinoma
Cholangiocarcinoma
Chronic Lymphocytic Leukemia
Coagulation Disorders
Colorectal Cancer
Deep Vein Thrombosis (DVT)
Diffuse Large B-Cell Lymphoma
Endocrine Gland Cancer
Esophageal Cancer
Hemophilia
Hypothalamus Cancer
Kidney Cancer
Leukocytopenia
Leukocytosis
Liver Cancer
Lung Cancer
Male Breast Carcinoma
Marginal Zone Lymphoma
Melanoma
  • View other providers who treat Melanoma
Metastatic Respiratory System Cancer
Myelodysplastic Syndromes
Myeloma
  • View other providers who treat Myeloma
Myeloproliferative Disorders
Neuroendocrine Tumors
Neutropenia
Non-Hodgkin's Lymphoma
Osteosarcoma
Ovarian Cancer
Pancreatic Cancer
Pancytopenia
Pernicious Anemia
Polycythemia Rubra Vera
Primary Central Nervous System Lymphoma
Prostate Cancer
Sickle Cell Disease
Sickle Cell Hemoglobin SS Disease
Skin Cancer
Soft Tissue Sarcoma
Thrombocytosis
Thyroid Cancer
Upper Digestive Tract Cancer
Urethra Cancer
Urinary Tract Cancer
Uterine Cancer
Vitamin B12 Anemia
Vitamin B12 Deficiency
Acute Leukemia
Acute Lymphoid Leukemia
Acute Myeloid Leukemia
Adrenal Gland Cancer
Amyloidosis
Anaplastic Large Cell Lymphoma
Anaplastic Large Cell Lymphoma, ALK Negative
Antiphospholipid Syndrome (APS)
Cancer of Cerebral Meninges
Central Nervous System Lymphoma
Cervical Cancer
Chordoma
  • View other providers who treat Chordoma
Chronic Myeloid Leukemia (CML)
Cutaneous T-Cell Lymphoma
Drug Induced Aplastic Anemia
Ductal Carcinoma in Situ
Extramedullary Plasmacytoma
Folate Deficiency Anemia
Follicular Lymphoma Grade 1
Follicular Lymphoma Grade 2
Follicular Lymphoma Grade 3
Follicular Lymphoma Grade 3A
Gallbladder Cancer
Head and Neck Cancer
Hemochromatosis
Hemophilia A
Hereditary Amyloidosis
Hodgkin's Disease
Hypercoagulable State
Hypogammaglobulinemia
Immune Thrombocytopenia
Immune Thrombocytopenic Purpura (ITP)
Laryngeal Cancer
Lobular Carcinoma
Lymphocytosis
Lymphoma
  • View other providers who treat Lymphoma
Macroglobulinemia (incl. Waldenstrom's )
Male Breast Cancer
Malignant Bone Cancer of the Skull, Face, and Jaw
Malignant Pituitary Gland Tumor
Malignant Pleura Secondary
Merkel Cell Carcinoma
Metastatic Breast Cancer
Neoplasm of Gastrointestinal Tract
Osteosarcoma of the Spine
Peripheral T-Cell Lymphoma
Peritoneal Cancer
Pheochromocytoma
Pineal Region Tumors
Pleura Cancer
Pleural Cancer
Primary Hypercoagulable State
Purpura
  • View other providers who treat Purpura
Qualitative Platelet Defects (incl. Glanzmann's Thrombasthenia)
Sickle Cell Hemoglobin C Disease
Small Intestine Cancer
Soft Tissue Sarcoma of Head, Face, and Neck
Spinal Cord Tumor
Squamous Cell Carcinoma of Skin
Stomach Cancer
Testicular Cancer
Thalassemia
Thalassemia Minor
Tonsil Cancer
Vertebral Column Tumors
Anemia and Iron Deficiency Screening
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Erythropoietin Test
Thoracentesis
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    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross and Blue Shield of Illinois
    • Blue Cross and Blue Shield of Kansas
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of Georgia
    • Cigna
    • First Health
    • HAP Insurance
    • Health Alliance
    • Humana
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.4
    Average provider rating
    Based on 5 ratings
    Patient Ratings (5)
    5 Star
    (3)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (2)
    Leave a review

    How was your appointment with Dr. Walshauser?

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    Photo: Dr. Mark Walshauser, MD
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    Dr. Walshauser's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Walshauser

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Mark Walshauser, MD

    Specialties*
    • Hematology

    • *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
    • 18 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
    • 1306020664
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • Ross University School of Medicine
    Medical Education

    Frequently Asked Questions

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

    Dr. Walshauser has seen patients for Anemia, Vitamin B Deficiency and Ewing's Sarcoma, and more. You can see other conditions treated by Dr. Walshauser on their profile. Please call the provider’s office to confirm all visit reasons.

    5 patients have reviewed Dr. Walshauser. The overall rating for this provider is 3.4. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Walshauser.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Walshauser, there are benefits to both methods. A person calling to schedule an with Dr. Walshauser 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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