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

Mrs. Marie Katherine Clark, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1245478833

Mrs. Marie Katherine Clark, ACNP is an Acute Care Nurse Practitioner in Arlington, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2009
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

See every abbreviation used in this directory →

Practice location Address checks out

1625 N George Mason Dr Ste 288
Arlington, VA 22205-3683
Phone: (703) 558-6300
Show map & directions

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

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 0024000047 (VA)

Record details

NPI number1245478833
Entity typeIndividual (Type 1)
GenderFemale
Credentials ACNP
Sole proprietorYes
NPI enumeratedFebruary 4, 2009
Last updated in NPPESFebruary 28, 2021
Certification dateFebruary 28, 2021

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