Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ksenia J. Merska, PA-C

Individual provider Physician Assistant · NPI 1316225170

Ksenia J. Merska, PA-C is a Physician Assistant in Leesburg, Virginia. Qualified in 2011, 15 years ago. Practices with Vantage Radiology and Diagnostic Services, a Professional Services Cor, a 40-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in New York and Virginia.

Years since qualifying
15
Licensed in
NY, VA
In the registry since
2011
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

44045 Riverside Pkwy
Leesburg, VA 20176-5101
Phone: (703) 858-6044
Fax: (703) 858-6775
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 301 Prospect Ave, Syracuse, NY 13203-1807 — (315) 488-5101
  • 3263 Columbia Pike, Arlington, VA 22204-4351 — (703) 746-0111
  • 8357 Leesburg Pike Ste E, Vienna, VA 22182-2493 — (571) 665-6400

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 0110004718 (VA)
Physician Assistant Taxonomy 363A00000X (NY)

Record details

NPI number1316225170
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 28, 2011
Last updated in NPPESJune 30, 2021
Certification dateJune 30, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Vantage Radiology And Diagnostic Services, A Professional Services Cor — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients182
Services billed 344 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Vantage Radiology and Diagnostic Services, a Professional Services Cor

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 40 clinicians in the practice; 12 are shown here.

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