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

Dr. Diana Leslie Geisser, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1821397142

Dr. Diana Leslie Geisser, MD is a Critical Care (Intensivists) in Boston, Massachusetts. Graduated from Perelman School of Med at the University of Pennsylvania in 2011, 15 years ago. Practices with Boston Childrens Heart Foundation Inc, a 99-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
15
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
MA
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence 274547 (MA)

Record details

NPI number1821397142
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2011
Last updated in NPPESMarch 15, 2021
Certification dateMarch 15, 2021

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2011 (15 years in practice)
Group practice Boston Childrens Heart Foundation Inc — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston