Summary

Dr. Mark Fesler is a hematology and oncology specialist who earned his medical degree from St. Louis University School of Medicine. He completed his residency at the University of Colorado Health Sciences Center before returning to St. Louis University Medical Center for fellowship training in hematology and oncology. Dr. Fesler holds board certification in internal medicine from the American Board of Internal Medicine and speaks English.

Dr. Fesler practices at St. Luke's Center for Cancer Care in Chesterfield, Missouri, and maintains affiliations with several major hospitals including SSM Health Saint Louis University Hospital, SSM Health Saint Mary's Hospital Saint Louis, SSM Health Cardinal Glennon Children's Hospital, and Saint Luke's Hospital. His clinical expertise focuses on treating blood cancers such as non-Hodgkin lymphoma and lymphoma, including AIDS-related lymphoma. He utilizes advanced imaging techniques including CT scans, PET scans, and PET-CT scans to diagnose and monitor cancer treatment. Patients rate Dr. Fesler 5.0 stars on Vitals.
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Quick Facts

  • accepting new patients
  • 5
  • speaks English
  • St. Louis University Medical Center
  • 1 written review
  • 2 specialties
  • 16 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 1 office location
  • Male

Office Location

St. Luke's Center for Cancer Care

232 S Woods Mill Rd Ste 330Chesterfield, MO 63017
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. Mark J. Fesler, MDDr. Deepika Bhatla, MDDr. Todd Eliott Druley, MDDr. Geoffrey Lim Uy, MD
HematologyPediatricsPediatricsTransplant Surgery
Accepts New Patients Accepts New Patients
4.4 
34 Years of Experience 24 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks Spanish, English Speaks English, Spanish
Chesterfield , MOSaint Louis , MOSaint Louis , MOSaint Louis , MO
Med School: St. Louis University School of Medicine (Medical Education) Med School: Lady Hardinge Medical College Med School: University Of Illinois At Chicago College Of Medicine Med School: Washington University In St Louis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mark J. Fesler

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mark J. Fesler has the following 2 specialties

Specialty Expertise

Dr. Mark J. Fesler has the following 16 areas of expertise

  • Acute Myeloid Leukemia
  • Cancer
  • Check-up
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Cystic Fibrosis
  • Deep Vein Thrombosis
  • Heartburn
  • Hepatitis C
  • Immunization
  • Leukemia
  • Lymphoma
  • Oncology
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Fellowship

St. Louis University Medical Center
St. Louis University School of Medicine

Residency

University of Colorado Health Sciences Center

Medical School

St. Louis University School of Medicine (Medical Education)

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Frequently Asked Questions

Where is Dr. Mark Fesler's office located?
Dr. Mark Fesler's office is located at 232 S Woods Mill Rd Ste 330, Chesterfield, MO, 63017.
Does Dr. Mark Fesler accept my insurance?
You can see the insurance plans that Dr. Mark Fesler accepts on their Vitals profile.
What languages does Dr. Mark Fesler speak?
Dr. Mark Fesler speaks English.
Does Dr. Mark Fesler accept virtual/telehealth appointments?
Dr. Mark Fesler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Mark Fesler affiliated with?
Dr. Mark Fesler is affiliated with Ssm Health Saint Louis University Hospital, Ssm Health Saint Marys Hospital Saint Louis, Ssm Health Cardinal Glennon Childrens Hospital, and SAINT LUKES HOSPITAL.

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