Alexis Sienna Halyard
Family Medicine Physician · Manassas, VA
Alexis Sienna Halyard is a family medicine physician with a practice address in Manassas, Virginia, and NPI 1144742958, issued on Jul 13, 2017. Check the license (Virginia 0101279272, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Alexis Sienna Halyard
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 0101279272 VA
2022-03066 NC
Self-reported in NPPES; status is on the state search - Practice location
- 8640 Sudley RD Ste 203, Manassas, VA 20110
- Phone
- (571) 662-5885
- Enumerated
- Jul 13, 2017
- Record last updated
- Jul 10, 2024
- Fax
- (703) 368-2498
- Medicare enrollment
- Enrolled (PECOS I20231006000400); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 8640 Sudley RD Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammed Almamun, MDFamily Medicine Physician1174262620
- Sadikshya GiriNurse Practitioner1215523014
- Hana Hagos, MDFamily Medicine Physician1588810956
- Jennifer Handy, D.O.Family Medicine Physician1659692507
- Elizabeth Hansen, APRNNurse Practitioner1770104556
- Whitney Hood, FNPNurse Practitioner1285284182
Verify Alexis Sienna Halyard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101279272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
678 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium47 claims
- Amlodipine Besylate25 claims
- Levothyroxine Sodium24 claims
- Fluticasone Propionate22 claims
- Losartan Potassium22 claims
- Metformin Hcl21 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
- Uva Community Health Medical Group LLCManassas, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexis Sienna Halyard among 4,137 family medicine physician records in Virginia
Alexis Sienna Halyard is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2004 among the 2,426 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 family medicine physician records list a practice address in Manassas
They are 55 of the 2,327 NPPES records with a practice address in Manassas, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Manassas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elizabeth Buchinsky, MDManassas, VA 201101164427118
- Vincent Buchinsky, MDManassas, VA 201101902801947
- Joseph Chambers, M.D.Manassas, VA 201101376543645
- Parimal Desai, MDManassas, VA 201101134113285
- Lynne Flagg, M.DManassas, VA 201101457349441
- Christopher Heaton, MDManassas, VA 201101770588725
- Robert Latimer, M.D.Manassas, VA 201101053311555
- Michael Perez, M.D.Manassas, VA 201101609876135
Common questions
What is Alexis Sienna Halyard's NPI number?
Alexis Sienna Halyard's National Provider Identifier (NPI) is 1144742958, issued on Jul 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexis Sienna Halyard located?
The NPPES record lists a practice address at 8640 Sudley RD Ste 203, Manassas, VA, 20110. Phone: (571) 662-5885. Providers update this record themselves, so call before visiting.
How can I verify Alexis Sienna Halyard's license?
NPPES lists Virginia license number 0101279272, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexis Sienna Halyard prescribe under Medicare Part D?
In 2024, Alexis Sienna Halyard had 678 Medicare Part D claims for 160 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.