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

Dianna Hardatt, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1295268738

Dianna Hardatt, MD is a Hematology/Oncology in Bronx, New York. Qualified in 2016, 10 years ago. Practices as a sole proprietor. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2017
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1650 Grand Concourse
Bronx, NY 10457-7679
Phone: (718) 992-7669
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 Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 307544 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 307544 (NY)

Record details

NPI number1295268738
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 11, 2017
Last updated in NPPESNovember 19, 2025
Certification dateNovember 19, 2025
Mailing address1650 Grand Concourse, Bronx, NY 10457-7679

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

Other providers in Bronx