Meaghan Anne Roy-O'Reilly, MD/PHD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

0101285454 Issued in VA

Practice address

8081 Innovation Park Dr
Fairfax, VA 22031-4867

Phone

(571) 472-1380

Fax

(571) 472-1294

NPI assigned

Mar 25, 2020

Last updated

Oct 31, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, VA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Neurology

Education

University of Texas Medical School at Houston, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Inova Health Care ServicesGroup PAC ID 2466351093, shared by 24 NPIs, 1,821 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mroyoreilly1448097@soc.inova.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Inova Health Care Services

  dba Inova Fairfax Hospital Schar Physicians

  • Medical Oncology Physician
  • Fairfax, VA
  • NPI 1275097123

  DC

  Medicare reassignment NPD
• Inova Health Care Services

  • Neurological Surgery Physician
  • Dumfries, VA
  • NPI 1538870191

  DC

  Medicare reassignment NPD
• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment NPD
• Inova Health Care Services

  dba Inova Juniper Program

  • Multi-Specialty Clinic/Center
  • Fairfax, VA
  • NPI 1669511051
  NPD
• Inova Health Care Services

  dba Inova Blood Donor Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Inova Health Care Services

  dba Inova Fairfax Hospital

  • Rehabilitation Hospital Unit
  • Falls Church, VA
  • NPI 1588795462
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • General Acute Care Hospital
  • Falls Church, VA
  • NPI 1831220714
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1750918132",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8081 INNOVATION PARK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220314867",
            "telephone_number": "571-472-1380",
            "fax_number": "571-472-1294"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8081 INNOVATION PARK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220314867",
            "telephone_number": "571-472-1380",
            "fax_number": "571-472-1294"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROY-O'REILLY",
        "first_name": "MEAGHAN",
        "middle_name": "ANNE",
        "name_prefix": "Dr.",
        "credential": "MD/PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-25",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "VA",
            "license": "0101285454",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jaclyn Rotier, OTR/L
• Rowan Center for Behavioral Medicine, a Psychological Corporation
• Kelly Rowe, MS
• Karenna M. Rowenhorst, MA, CCC-SLP
• Sarah Rowland, MA
• Camille Asseo Roy, MD
• Royal Care Counseling Group Services LLC
• Royal Care Counseling Services LLC
• Royal Express Transportation LLC
• Royal Treatment Healthcare Services, LLC

• Neurology Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Neurology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.