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

Mrs. Jan S Williams, ACNP, APRN, BC

Individual provider Nurse Practitioner · NPI 1548320492

Mrs. Jan S Williams, ACNP, APRN, BC is a Nurse Practitioner in Manassas, Virginia. Graduated from Georgetown University School of Medicine in 2005, 21 years ago. Practices with Uva Community Health Medical Group LLC, a 342-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in North Carolina.

Years since qualifying
21
Trained at
Georgetown University School of Medicine
Licensed in
NC
In the registry since
2006
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
BC — Board Certified
Appended to another credential to show current board certification, as in APRN-BC.

See every abbreviation used in this directory →

Practice location Address checks out

8640 Sudley Rd Ste 302
Manassas, VA 20110-4404
Phone: (703) 369-5959
Fax: (703) 369-7473
Show map & directions

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

Additional practice locations (1)

  • 8700 Sudley Rd, Manassas, VA 20110-4418 — (703) 926-0909

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 0024166796 (NC)

Record details

NPI number1548320492
Entity typeIndividual (Type 1)
GenderFemale
Credentials ACNP , APRN , BC
Sole proprietorNo
NPI enumeratedDecember 11, 2006
Last updated in NPPESFebruary 18, 2025
Certification dateFebruary 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Uva Community Health Medical Group Llc — 342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Manassas