Meaghan Anne Roy-O'Reilly, MD/PHD
Neurology Physician · Fairfax, VA
Meaghan Anne Roy-O'Reilly, MD/PHD is a neurology physician with a practice address in Fairfax, Virginia, and NPI 1750918132, issued on Mar 25, 2020. Check the license (Virginia 0101285454, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Meaghan Anne Roy-O'Reilly
- Credential
- MD/PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 0101285454 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8081 Innovation Park Dr, Fairfax, VA 22031
- Phone
- (571) 472-1380
- Enumerated
- Mar 25, 2020
- Record last updated
- Oct 31, 2025
- Fax
- (571) 472-1294
- Medicare enrollment
- Enrolled (PECOS I20250904003877); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 548 in Virginia → Look up another NPI →
Also registered at 8081 Innovation Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Meaghan Anne Roy-O'Reilly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101285454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average neurology physician in 2024
93 Medicare Part D claims for 31 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Carbidopa-Levodopa25 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 ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Meaghan Anne Roy-O'Reilly among 548 neurology physician records in Virginia
Meaghan Anne Roy-O'Reilly, MD/PHD is one of 548 neurology physician records with a practice address in Virginia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2004 among the 366 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Virginia
There are 548 neurology physician records in Virginia.
All 548 in Virginia → Every provider in Fairfax → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Candace Bryan, M.D.Fairfax, VA 220311376750133
- Marco Castro, M.D.Fairfax, VA 220311245209766
- Matthew Churchill, M.D.Fairfax, VA 220311235335993
- Laura Cinski, M.D.Fairfax, VA 220311003006198
- Rahul Dave, M.D., PH.D.Fairfax, VA 220311700101698
- Nicole Dietz, MD, PHDFairfax, VA 220311265595623
- Robert Kurtzke, M.D.Fairfax, VA 220311922067164
- Abigail Lawler, M.D.Fairfax, VA 220311568789741
Common questions
What is Meaghan Anne Roy-O'Reilly, MD/PHD's NPI number?
Meaghan Anne Roy-O'Reilly, MD/PHD's National Provider Identifier (NPI) is 1750918132, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Meaghan Anne Roy-O'Reilly, MD/PHD located?
The NPPES record lists a practice address at 8081 Innovation Park Dr, Fairfax, VA, 22031. Phone: (571) 472-1380. Providers update this record themselves, so call before visiting.
How can I verify Meaghan Anne Roy-O'Reilly, MD/PHD's license?
NPPES lists Virginia license number 0101285454, 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 Meaghan Anne Roy-O'Reilly, MD/PHD prescribe under Medicare Part D?
In 2024, Meaghan Anne Roy-O'Reilly, MD/PHD had 93 Medicare Part D claims for 31 beneficiaries; the average among neurology physician prescribers was 1,370. 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.