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

Marcella Heffelfinger, MSN, FNP-BC

Individual provider Nurse Practitioner · NPI 1497119986

Marcella Heffelfinger, MSN, FNP-BC is a Nurse Practitioner in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2016.

Licensed in
DC
In the registry since
2016
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

3800 Reservoir Rd NW Medstar Georgetown Transplant Institute 2-PHC
Washington, DC 20007-2113
Phone: (202) 444-3700
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN1019797 (DC)

Record details

NPI number1497119986
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP-BC
Sole proprietorNo
NPI enumeratedApril 11, 2016
Last updated in NPPESApril 11, 2016

Other providers in Washington