MRS. MARY ELLEN ZATOR ESTES NP
NPI 1447427000
Nurse Practitioner in Fairfax, VA

Active since May 13, 2008PECOS EnrolledAccepts Medicare Assignment
3620 JOSEPH SIEWICK DR, SUITE 306, FAIRFAX, VA 22033(703) 264-0521(703) 860-0229 Get Directions Write a Review

NPPES record last updated: August 27, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Mary Ellen Zator Estes Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARY ELLEN ZATOR ESTES NP (NPI 1447427000) is an individual nurse practitioner in Fairfax, Virginia, licensed in Virginia (0024164568) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1447427000
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MARY ELLEN ZATOR ESTESCredential: NP
Location Address3620 JOSEPH SIEWICK DR, SUITE 306Fairfax, VA 22033-1756
Mailing Address3620 Joseph Siewick Dr, Suite 306Fairfax, VA 22033-1756 · (703) 264-0521 · Fax (703) 860-0229
Fax(703) 860-0229
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMay 13, 2008
Last NPPES UpdateAugust 27, 2013
NPI 1447427000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in VA · 0024164568
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

3620 JOSEPH SIEWICK DR, Fairfax, VA 22033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Mary Ellen Zator Estes Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517192750
PECOS Enrollment IDI20131024001489
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%1,383 patients4/55-star benchmark: 99%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
3620 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033
Nurse Practitioner (Adult Health)
3620 JOSEPH SIEWICK DR, SUITE 307
FAIRFAX, VA 22033
Physician Assistant (Medical)
3620 JOSEPH SIEWICK DR, STE 100
FAIRFAX, VA 22033
Podiatrist (Foot & Ankle Surgery)
3620 JOSEPH SIEWICK DR, 303
FAIRFAX, VA 22033
Orthopaedic Surgery
3620 JOSEPH SIEWICK DR, SUITE 100
FAIRFAX, VA 22033
Internal Medicine (Rheumatology)
3620 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033
Internal Medicine
3620 JOSEPH SIEWICK DR, SUITE 306
FAIRFAX, VA 22033
Physical Therapist
3620 JOSEPH SIEWICK DR, SUITE 201
FAIRFAX, VA 22033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Ellen Estes's NPI number?

The NPI number for Mary Ellen Estes is 1447427000. It was assigned to this individual provider in the NPPES registry on May 13, 2008.

Where is Mary Ellen Estes located?

Mary Ellen Estes practices at 3620 Joseph Siewick Dr Suite 306, Fairfax, VA 22033. The listed phone number is (703) 264-0521.

What is Mary Ellen Estes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Ellen Estes enrolled in Medicare?

Yes. Mary Ellen Estes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mary Ellen Estes was last updated on August 27, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.