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Dr. Mark Fesler, MD

Hematology & Oncology*
5.0 (8)
Map Pin Small Saint Louis, MO
Accepting new patients
21 years of experience

Offers telehealth

Overview of Dr. Mark Fesler, MD

Dr. Mark Fesler, MD is a Hematology & Oncology Specialist in Saint Louis, MO. They specialize in Hematology & Oncology, has 21 years of experience, and is board certified in Hematology. They graduated from Saint Louis University School of Medicine and is affiliated with St. Luke's Hospital and Ssm Health Saint Louis University Hospital. Patients rated Dr. Fesler an average 5.0 star rating.

Dr. Fesler works at Practice in Saint Louis, MO with other offices in Chesterfield, MO. They frequently treat conditions like Non-Hodgkin's Lymphoma, Acute Leukemia and Acute Myeloid Leukemia along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield 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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Dr. Fesler's Office Locations

  1. 1
    Bethesda Gen Hosp Snf
    3655 Vista Ave, Saint Louis, MO 63110 Icon Directions Right Arrow Directions Phone Icon (314) 257-8510
  2. 2
    Office
    3655 Vista Ave Fl 2, Saint Louis, MO 63110 Icon Directions Right Arrow Directions Phone Icon (314) 977-6100
  3. 3
    Office
    1125 S Grand Blvd, Saint Louis, MO 63104 Icon Directions Right Arrow Directions Phone Icon (314) 577-6131
  4. 4
    Office
    3655 Vista Ave Fl 2, Saint Louis, MO 63110 Icon Directions Right Arrow Directions Phone Icon (314) 577-6057
  5. 5
    Van Amburg & Busiek Md's LLC
    232 S Woods Mill Rd Ste 330, Chesterfield, MO 63017 Icon Directions Right Arrow Directions Phone Icon (314) 205-6737

Hospital Affiliations
Admitting Hospitals

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

  • St. Luke's Hospital
  • Ssm Health Saint Louis University 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.
Non-Hodgkin's Lymphoma
Acute Leukemia
Acute Myeloid Leukemia

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.
Non-Hodgkin's Lymphoma
Acute Leukemia
Acute Myeloid Leukemia
Diffuse Large B-Cell Lymphoma
Osteosarcoma
Anemia
  • View other providers who treat Anemia
Breast Lump
Chronic Lymphocytic Leukemia
Chronic Myeloid Leukemia (CML)
Follicular Lymphoma Grade 1
Graft vs Host Disease
Hodgkin's Disease
Hypogammaglobulinemia
Macroglobulinemia (incl. Waldenstrom's )
Mantle Cell Lymphoma
Myelodysplastic Syndromes
Myeloma
  • View other providers who treat Myeloma
Myeloproliferative Disorders
Pancytopenia
Polycythemia Rubra Vera
Primary Central Nervous System Lymphoma
Retroperitoneum Cancer
Thrombocytosis
Vitamin B Deficiency
Bone Marrow Biopsy
Bone Marrow Transplant
HPC Transplantation (Stem Cell Transplant)
Acute Lymphocytic Leukemia
Acute Myeloblastic Leukemia Type 3
Acute Myeloid Leukemia Multilineage Dysplasia
Acute Panmyelosis with Myelofibrosis
Adult T-Cell Lymphoma
All Lymphoma
Anal and Rectal Cancer
Anaplastic Large Cell Lymphoma
Anaplastic Large Cell Lymphoma, ALK Negative
B-Cell Lymphoma
Basal Cell Carcinoma
Benign Mediastinal Tumor
Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
Brain Cancer
Breast Carcinoma
Burkitt's Lymphoma
Central Cyanosis
Central Nervous System Lymphoma
Chronic Myelomonocytic Leukemia
Cutaneous Follicle Center Lymphoma
Cutaneous Lymphoma
Cutaneous T-Cell Lymphoma
Diffuse Follicle Center Lymphoma
Diffuse Lymphoblastic Lymphoma
Ductal Carcinoma in Situ
Endocrine Gland Cancer
Follicular Lymphoma
Follicular Lymphoma Grade 2
Follicular Lymphoma Grade 3A
Gastric Lymphoma
Hemochromatosis
Hypercoagulable State
Immune Thrombocytopenia
Immune Thrombocytopenic Purpura (ITP)
Leukocytopenia
Lymphoma, Large-Cell
Lymphosarcoma
Male Breast Carcinoma
Marginal Zone Lymphoma
Mast Cell Diseases
Melanoma
  • View other providers who treat Melanoma
Metastatic Respiratory System Cancer
Multiple Myeloma
Mycosis Fungoides
Nodular Lymphocyte-Predominant Hodgkin Lymphoma
Nodular Lymphoma
Nodular Sclerosis Hodgkins Lymphoma
Oral Cancer
Ovarian Cancer
Paroxysmal Nocturnal Hemoglobinuria
Penile Cancer
Peripheral T-Cell Lymphoma
Peritoneal Cancer
Pituitary Tumor
Plasma Cell Leukemia
Pleura Cancer
Primary Hypercoagulable State
Purpura
  • View other providers who treat Purpura
Qualitative Platelet Defects (incl. Glanzmann's Thrombasthenia)
Reticulosarcoma
Sickle Cell Disease
Skin Cancer
Squamous Cell Carcinoma of Skin
Thymomas
  • View other providers who treat Thymomas
Thyroid Cancer
Urinary Tract Cancer
Uterine Cancer
Anemia and Iron Deficiency Screening
Bone Marrow Evaluation
Erythropoietin Test
Leukemia Diagnostic Evaluations
Lymphoma Evaluation
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Coventry Health Care
    • First Health
    • HAP Insurance
    • Humana
    • MultiPlan
    • 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

    5.0
    Average provider rating
    Based on 8 ratings
    Patient Ratings (8)
    5 Star
    (8)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
    Leave a review

    How was your appointment with Dr. Fesler?

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    Dr. Fesler'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. Fesler

    • 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 Fesler, MD

    Specialties*
    • Hematology & Oncology

    • *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
    • 21 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
    • 1235204066
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • St Louis University
    Fellowship
    Internship
    • University of Colorado Health Science Center
    Internship
    Medical Education
    • Saint Louis University School of Medicine
    Medical Education
    Board Certifications
    • Hematology and Medical Oncology
    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. Mark Fesler, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Fesler is offering online scheduling or call the provider’s office for more information.

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

    Dr. Fesler has seen patients for Non-Hodgkin's Lymphoma, Acute Leukemia and Acute Myeloid Leukemia, and more. You can see other conditions treated by Dr. Fesler on their profile. Please call the provider’s office to confirm all visit reasons.

    8 patients have reviewed Dr. Fesler. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Fesler.

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

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Fesler, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (314) 257-8510

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