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

Q: 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.

Q: 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.

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: November 01, 2026.

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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

Phone(571) 472-1380

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

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignment

Medicare enrollment records show Meaghan Roy-o'reilly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services

Same address

Medical Oncology

8081 INNOVATION PARK DR
Fairfax, VA 22031

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1952320061 (District of Columbia), NPI 1588717755 (Virginia), NPI 1538870191 (Virginia)
258 clinicians in this Medicare group

NPI 1275097123 (703) 289-2454

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. RAYMUND S CUEVO M.D.

Internal Medicine (Medical Oncology)