Mary Elizabeth Walker, PA-C
Physician Assistant · Leesburg, VA
Mary Elizabeth Walker, PA-C is a physician assistant with a practice address in Leesburg, Virginia, and NPI 1104169549, issued on Apr 4, 2013. Check the license (Virginia 0110007139, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Walker
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0110007139 VA
C05036 MD
Self-reported in NPPES; status is on the state search - Practice location
- 19465 Deerfield Ave Ste 405, Leesburg, VA 20176
- Phone
- (703) 858-1800
- Enumerated
- Apr 4, 2013
- Record last updated
- Jun 17, 2024
- Fax
- (703) 858-1801
- Medicare enrollment
- Enrolled (PECOS I20210405001098); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
Also registered at 19465 Deerfield Ave Ste 405
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Elizabeth Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110007139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
26 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The National Sports Medicine Institute,pcLansdowne, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Walker among 4,408 physician assistant records in Virginia
Mary Elizabeth Walker, PA-C is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 65% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2018 among the 2,885 with a school on file
- Record last updated2024 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 physician assistant records list a practice address in Leesburg
They are 76 of the 1,759 NPPES records with a practice address in Leesburg, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Leesburg → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kathryn Cameron, PALeesburg, VA 201761700877081
- Hien Dinh-Choe, PALeesburg, VA 201761417031261
- Anushaya Fitzgerald, PACLeesburg, VA 201761376581645
- Michael Fraykor, PACLeesburg, VA 201761174677504
- Michele Gittings, PA CLeesburg, VA 201761235164641
- Christopher Luster, PA-CLeesburg, VA 201761598815060
- Fernando Mendez, PA CLeesburg, VA 201761891789426
- Stephanie Modzelesky, PA-CLeesburg, VA 201761417919408
Common questions
What is Mary Elizabeth Walker, PA-C's NPI number?
Mary Elizabeth Walker, PA-C's National Provider Identifier (NPI) is 1104169549, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Walker, PA-C located?
The NPPES record lists a practice address at 19465 Deerfield Ave Ste 405, Leesburg, VA, 20176. Phone: (703) 858-1800. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Walker, PA-C's license?
NPPES lists Virginia license number 0110007139, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elizabeth Walker, PA-C prescribe under Medicare Part D?
In 2024, Mary Elizabeth Walker, PA-C had 26 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.