DR. MEAGHAN ANNE ROY-O'REILLY MD/PHD
NPI 1750918132
Psychiatry & Neurology - Neurology in Fairfax, VA

Active since March 25, 2020PECOS EnrolledAccepts Medicare Assignment
8081 INNOVATION PARK DR, FAIRFAX, VA 22031(571) 472-1380(571) 472-1294 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Dr. Meaghan Anne Roy-o'reilly Md/phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MEAGHAN ANNE ROY-O'REILLY MD/PHD (NPI 1750918132) is an individual neurology provider in Fairfax, Virginia, licensed in Virginia (0101285454) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of University Of Texas Medical School At Houston (2020).

NPPES Registry Identity

NPI1750918132
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MEAGHAN ANNE ROY-O'REILLYCredential: MD/PHD
Location Address8081 INNOVATION PARK DRFairfax, VA 22031-4867
Mailing Address8081 Innovation Park DrFairfax, VA 22031-4867 · (571) 472-1380 · Fax (571) 472-1294
Fax(571) 472-1294
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2020
Enumeration DateMarch 25, 2020
Last NPPES UpdateOctober 31, 2025
NPPES CertifiedOctober 31, 2025
✔ NPI 1750918132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in VA · 0101285454
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
8081 INNOVATION PARK DR, Fairfax, VA 22031

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Meaghan Anne Roy-o'reilly Md/phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769984293
PECOS Enrollment IDI20250904003877, I20250911004516
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Radiology (Radiation Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Physician Assistant
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Internal Medicine
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Dietitian, Registered
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Meaghan Roy-o'reilly's NPI number?

The NPI number for Meaghan Roy-o'reilly is 1750918132. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Meaghan Roy-o'reilly located?

Meaghan Roy-o'reilly practices at 8081 Innovation Park Dr, Fairfax, VA 22031. The listed phone number is (571) 472-1380.

What is Meaghan Roy-o'reilly's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Meaghan Roy-o'reilly enrolled in Medicare?

Yes. Meaghan Roy-o'reilly is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Meaghan Roy-o'reilly affiliated with any hospitals?

According to CMS data, Meaghan Roy-o'reilly is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Meaghan Roy-o'reilly was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.