5
23 Ratings with 23 written Reviews
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 School of Medicine before returning to St. Louis University School of Medicine for fellowship training in his specialty areas. Dr. Fesler holds certification in internal medicine from the American Board of Internal Medicine and provides care in English.
Dr. Fesler practices at multiple SSM Health locations including Saint Louis University Hospital, Saint Mary's Hospital in Saint Louis, Cardinal Glennon Children's Hospital, and Saint Luke's Hospital, with his primary location at St. Luke's Center for Cancer Care in Chesterfield, Missouri. He specializes in treating blood disorders and cancers, including complex conditions like multiple myeloma. His practice also addresses joint-related concerns such as hip pain and arthralgia. Patients consistently rate Dr. Fesler's care highly, giving him an average …rating of 5.0.
Read More Read less Dr. Fesler practices at multiple SSM Health locations including Saint Louis University Hospital, Saint Mary's Hospital in Saint Louis, Cardinal Glennon Children's Hospital, and Saint Luke's Hospital, with his primary location at St. Luke's Center for Cancer Care in Chesterfield, Missouri. He specializes in treating blood disorders and cancers, including complex conditions like multiple myeloma. His practice also addresses joint-related concerns such as hip pain and arthralgia. Patients consistently rate Dr. Fesler's care highly, giving him an average …rating of 5.0.
Overview based on verified provider data
Quick Facts
- accepting new patients
- speaks English
- St. Louis University School of Medicine
- 23 written reviews
- 2 specialties
- 16 areas of expertise
- 1 board certification
- 4 hospital affiliations
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
St. Luke's Center for Cancer Care
232 S Woods Mill Rd Ste 330Chesterfield, MO 63017 Tel: (314) 205-6737
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
Compare with Similar Doctors
 |  |  | |
| Mark J. Fesler, MD | Dr. Paula Jean Chor, MD | Margaret M Kavanaugh | Dr. Matthew John Walter, MD |
| Hematology | Pathology | Nurse Practitioner | Oncology |
| Accepts New Patients | |||
| 38 Years of Experience | 31 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English, Spanish | Speaks English, Spanish |
| Chesterfield , MO | Saint Louis , MO | St. LOUIS , MO | Saint Louis , MO |
| Med School: St. Louis University School of Medicine (Medical Education) | Med School: Washington University In St Louis School Of Medicine | Med School: St Louis University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Mark J. Fesler
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Mark J. Fesler has the following 2 specialties
Specialty Expertise
Mark J. Fesler has the following 16 areas of expertise
Certifications, License, & Education
Mark J. Fesler holds an expired medical license in the state of Missouri. They are board certified in Internal medicine by the American Board of Internal Medicine.
Board Certifications
Board certified in Internal medicine by the American Board of Internal Medicine.
Medical License
Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.
Education & Training
Fellowship
Completed their fellowship at St. Louis University School of Medicine.
Residency
Completed their residency at University Of Colorado School Of Medicine.
Medical School
Graduated from St. Louis University School of Medicine (Medical Education).
NPI Number
Mark J. Fesler's NPI number is 1235204066.
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Frequently Asked Questions
- Is Mark Fesler accepting new patients?
- Mark Fesler is accepting new patients on Vitals. View Mark Fesler's profile on Vitals to make an appointment.
- Does Mark Fesler accept my insurance?
- You can see the insurance plans that Mark Fesler accepts on their Vitals profile.
- What languages does Mark Fesler speak?
- Mark Fesler speaks English.
- Which hospitals is Mark Fesler affiliated with?
- 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.
- Does Mark Fesler accept virtual/telehealth appointments?
- Mark Fesler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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