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

Karen C Dasilva, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1851364889

Karen C Dasilva, MD is a Hematology (Internal Medicine) Physician in Chelmsford, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

228 Billerica Rd Internal Medicine
Chelmsford, MA 01824-3604
Phone: (978) 250-6100
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 78527 (MA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence 78527 (MA)

Record details

NPI number1851364889
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESSeptember 20, 2021
Certification dateSeptember 20, 2021