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

Guinevere Zimmerman Lillie, NP

Individual provider Registered Nurse · NPI 1639704786

Guinevere Zimmerman Lillie, NP is a Nurse Practitioner in Fairfax, Virginia. Qualified in 2020, 6 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
6
Licensed in
VA
In the registry since
2020
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

8081 Innovation Park Dr
Fairfax, VA 22031-4867
Phone: (571) 472-4724
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 0024179561 (VA)
Registered Nurse Taxonomy 163W00000X · Licence 0001271747 (VA)

Record details

NPI number1639704786
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 10, 2020
Last updated in NPPESMay 6, 2022
Certification dateMay 6, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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