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

Mary Margaret Pelszynski, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1750362745

Mary Margaret Pelszynski, MD is a Pediatric Hematology & Oncology Physician in Jbsa Ft Sam Houston, Texas. Licensed in District of Columbia. Registered with an NPI since 2005.

Licensed in
DC
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3851 Roger Brooke Dr
Jbsa Ft Sam Houston, TX 78234-4501
Phone: (210) 916-0707
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD19296 (DC)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence MD19296 (DC)

Record details

NPI number1750362745
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2005
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026