Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Susan Lefande, DNP, MSN, RN, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1629691654

Dr. Mary Susan Lefande, DNP, MSN, RN, FNP-BC is a Family Nurse Practitioner in Arlington, Virginia. Works from 3 locations. Licensed in District of Columbia and Virginia.

Licensed in
DC, VA
In the registry since
2020
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

1771 N Pierce St Ste 200
Arlington, VA 22209-1828
Phone: (888) 663-6331
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5255 Loughboro Rd Nw, Washington, DC 20016-2633 — (202) 660-6500
  • 3705 S George Mason Dr Apt 1614s, Falls Church, VA 22041-4785 — (703) 401-6517

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN1061343 (DC)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 0024179367 (VA)

Record details

NPI number1629691654
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , MSN , RN , FNP-BC
Sole proprietorNo
NPI enumeratedMay 26, 2020
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 17, 2026

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