Steven Frederick Williams, PA
Medical Physician Assistant · Reston, VA
Steven Frederick Williams, PA is a medical physician assistant with a practice address in Reston, Virginia, and NPI 1790769453, issued on Dec 5, 2005. Check the license (Virginia 0110840274, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Frederick Williams
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 0110840274 VA
PA204 DC
Self-reported in NPPES; status is on the state search - Practice location
- 11484 Washington Plz W Ste 300, Reston, VA 20190
- Phone
- (703) 443-2000
- Enumerated
- Dec 5, 2005
- Record last updated
- Jun 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20190619001693); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 11484 Washington Plz W Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Bonvissuto, APRNPrimary Care Nurse Practitioner1316713480
- Tom Chau, D.D.S.Dentist1538314430
- Jean Glossa, M.D.Internal Medicine Physician1497817787
- Cornelia Hunt, FNPFamily Nurse Practitioner1568637999
- Iman KhatibProfessional Counselor1942971619
- Garima Pokhrel, NPFamily Nurse Practitioner1588219653
Verify Steven Frederick Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110840274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average medical physician assistant in 2024
579 Medicare Part D claims for 94 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate49 claims
- Atorvastatin Calcium31 claims
- Losartan Potassium31 claims
- Lisinopril30 claims
- Hydrochlorothiazide24 claims
- Tamsulosin Hcl20 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.
Industry payments in 2024: $170.68
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Comprehensive Primary Care And Associates LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 medical physician assistant records list a practice address in Reston
They are 21 of the 1,676 NPPES records with a practice address in Reston, and 941 medical physician assistant records in Virginia.
All 21 in Reston → All 941 in Virginia → Every provider in Reston →
Other medical physician assistant records in Virginia
- Irene Acheampong, PA-CAlexandria, VA1932975133
- Stewart Ackerman, PA-CFort Gregg Adams, VA1356315790
- Dana Adams, PA-CSalem, VA1326299751
- Emma Adelman, PAFalls Church, VA1497395107
- Ashley Adkins, PA-CChesapeake, VA1508186073
- Jennifer Adkins, PARoanoke, VA1962581322
- Laurie Adkins, PA-CSalem, VA1518922343
- David Agey, PA-CVirginia Beach, VA1659347193
- Arian Ahmadzai, P.A.Woodbridge, VA1972599272
- Rachel AinaireNorth Chesterfield, VA1437563806
Common questions
What is Steven Frederick Williams, PA's NPI number?
Steven Frederick Williams, PA's National Provider Identifier (NPI) is 1790769453, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Frederick Williams, PA located?
The NPPES record lists a practice address at 11484 Washington Plz W Ste 300, Reston, VA, 20190. Phone: (703) 443-2000. Providers update this record themselves, so call before visiting.
How can I verify Steven Frederick Williams, PA's license?
NPPES lists Virginia license number 0110840274, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Frederick Williams, PA prescribe under Medicare Part D?
In 2024, Steven Frederick Williams, PA had 579 Medicare Part D claims for 94 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.