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

Dr. Margaret Trexler Hessen, MD

Individual provider Infectious Disease Physician · NPI 1609273119

Dr. Margaret Trexler Hessen, MD is an Infectious Disease Physician in Bryn Mawr, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2014
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

3940 Darby Rd
Bryn Mawr, PA 19010-2014
Phone: (610) 525-3151
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD029696E (PA)

Record details

NPI number1609273119
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 26, 2014
Last updated in NPPESNovember 26, 2014

Other providers in Bryn Mawr