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

Gwendolyn Berwick Oliphant

Individual provider Inpatient Obstetric Registered Nurse · NPI 1962207027

Gwendolyn Berwick Oliphant is a Nurse Practitioner in Falls Church, Virginia. Graduated from George Washington University School of Medicine in 2025, 1 year ago. Practices with Inova Health Care Services, a 1,827-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
1
Trained at
George Washington University School of Medicine
Licensed in
VA
In the registry since
2025
Specialties on file
2

Practice location Address checks out

3300 Gallows Rd
Falls Church, VA 22042-3300
Phone: (703) 776-4001
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 0024193978 (VA)
Inpatient Obstetric Registered Nurse Taxonomy 163WX0003X · Licence 0001257813 (VA)

Record details

NPI number1962207027
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 13, 2025
Last updated in NPPESAugust 17, 2025
Certification dateAugust 17, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2025 (1 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare