Kathryn Elizabeth Stewart
Physician Assistant · Fairfax, VA
Kathryn Elizabeth Stewart is a physician assistant with a practice address in Fairfax, Virginia, and NPI 1205597465, issued on Jan 9, 2022. Check the license (Virginia 0110009210, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Elizabeth Stewart
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0110009210 VA
0010-12586 NC
Self-reported in NPPES; status is on the state search - Practice location
- 3580 Joseph Siewick Dr, Fairfax, VA 22033
- Phone
- (703) 970-6464
- Enumerated
- Jan 9, 2022
- Record last updated
- Jun 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230727003848); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3580 Joseph Siewick Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Matthijssen, MS, LCGCGenetic Counselor (M.S.)1568827293
- Terrie Porter, PA-CPhysician Assistant1508457995
Verify Kathryn Elizabeth Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110009210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average physician assistant in 2024
642 Medicare Part D claims for 144 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 176 claims were for opioids.
Most prescribed
- Oxycodone Hcl132 claims
- Ondansetron Hcl100 claims
- Meloxicam95 claims
- Cephalexin75 claims
- Methocarbamol58 claims
- Hydromorphone Hcl23 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
- Inova Health Care ServicesAnnandale, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
151 physician assistant records list a practice address in Fairfax
They are 151 of the 6,584 NPPES records with a practice address in Fairfax, and 4,408 physician assistant records in Virginia.
All 151 in Fairfax → All 4,408 in Virginia → Every provider in Fairfax →
Other physician assistant records in Virginia
- Almas Abbas, PAArlington, VA1962598847
- Tehreem AbbasWoodbridge, VA1083416937
- Emma AbbottRoanoke, VA1235737891
- Annalyn Abcede, PAChesapeake, VA1821479544
- Dalia Abdalla, PA-CAldie, VA1861342677
- Hamdi Abdullahi, PA-CAlexandria, VA1407620750
- Daniel Abeel, P.A.-CFort Belvoir, VA1770503070
- Elizabeth AbelBlacksburg, VA1972380152
- Rachele Abel, PA-CNorfolk, VA1871361808
- Stephen AbercrombieRoanoke, VA1700455227
Common questions
What is Kathryn Elizabeth Stewart's NPI number?
Kathryn Elizabeth Stewart's National Provider Identifier (NPI) is 1205597465, issued on Jan 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Elizabeth Stewart located?
The NPPES record lists a practice address at 3580 Joseph Siewick Dr, Fairfax, VA, 22033. Phone: (703) 970-6464. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Elizabeth Stewart's license?
NPPES lists Virginia license number 0110009210, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Elizabeth Stewart prescribe under Medicare Part D?
In 2024, Kathryn Elizabeth Stewart had 642 Medicare Part D claims for 144 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.