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

Mary C O'Laughlen, PHD, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1306263900

Mary C O'Laughlen, PHD, FNP-BC is a Family Nurse Practitioner in Manassas, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2014
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical 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

9900 Sowder Village Sq
Manassas, VA 20109-5464
Phone: (703) 257-6969
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 0024164936 (VA)

Record details

NPI number1306263900
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , FNP-BC
Sole proprietorYes
NPI enumeratedMarch 21, 2014
Last updated in NPPESMarch 21, 2014

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