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

Mrs. Mary Ellen Zator Estes, NP

Individual provider Nurse Practitioner · NPI 1447427000

Mrs. Mary Ellen Zator Estes, NP is a Nurse Practitioner in Fairfax, Virginia. Qualified in 2000, 26 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
26
Licensed in
VA
In the registry since
2008
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

3620 Joseph Siewick Dr Ste 306
Fairfax, VA 22033-1756
Phone: (703) 264-0521
Fax: (703) 860-0229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 0024164568 (VA)

Record details

NPI number1447427000
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 13, 2008
Last updated in NPPESAugust 27, 2013

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Fairfax