Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mary Kathryn Malecek, MD

Individual provider Hematology & Oncology Physician · NPI 1144647355

Dr. Mary Kathryn Malecek, MD is a Hematology/Oncology in Saint Louis, Missouri. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2014, 12 years ago. Practices with Missouri Baptist Physician Services LLC, a 25-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
MO
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3015 N Ballas Rd
Saint Louis, MO 63131-2329
Phone: (314) 996-5151
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 2017010068 (MO)

Record details

NPI number1144647355
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2014
Last updated in NPPESOctober 29, 2021
Certification dateOctober 29, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2014 (12 years in practice)
Group practice Missouri Baptist Physician Services Llc — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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