Mary Louise Sebastian, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

0101233396 Issued in VA

Practice address

1851 N George Mason Dr Ste 5D
Arlington, VA 22207-1953

Phone

(703) 717-4217

Fax

(703) 717-4218

NPI assigned

Jun 26, 2006

Last updated

Feb 23, 2026By 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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC

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 1

Specialty

General Surgery

Education

University of Virginia School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Virginia Hospital Center Physician Group LLCGroup PAC ID 8426231119, 350 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Virginia Hospital Center Hospital, Arlington, VA, CCN 490050

Merit-based Incentive Payment System (MIPS)

Final score

80.33 of 100Reported as group

Quality

74.39

Promoting interoperability

87

Improvement activities

40

Cost

70.89

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Virginia Hospital Center Physician Group, LLC

  dba VHC Health Medical Group Maternal Fetal Medicine

  • Maternal & Fetal Medicine Physician
  • Arlington, VA
  • NPI 1144415480

  DC

  Medicare reassignment Care Compare group NPD
• Virginia Hospital Center Physician Group LLC

  dba VHC Health Medical Group Neurology

  • Neurology Physician
  • Arlington, VA
  • NPI 1245010479
  NPD
• Virginia Hospital Center Physician Group LLC

  dba Virginia Hospital Center Physician Group - Endocrinology

  • Endocrinology, Diabetes & Metabolism Physician
  • Arlington, VA
  • NPI 1528475118
  NPD
• Virginia Hospital Center Physician Group LLC

  dba VHC Health Medical Group Podiatry

  • Podiatrist
  • Alexandria, VA
  • NPI 1003228917
  NPD (past)
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Windber Hospital, Inc.

  dba Windber Medical Center

  • General Acute Care Hospital
  • Windber, PA
  • NPI 1275620536
  NPD (past)

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

• Virginia Hospital Center Arlington Health System

  • General Acute Care Hospital
  • Arlington, VA
  • NPI 1790785996
  Care Compare affiliation

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

{
    "created_epoch": "1151280000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1124054457",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1851 N GEORGE MASON DR STE 5D",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222071953",
            "telephone_number": "703-717-4217",
            "fax_number": "703-717-4218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1851 N GEORGE MASON DR STE 5D",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222071953",
            "telephone_number": "703-717-4217",
            "fax_number": "703-717-4218"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1760 Old Meadow Rd Ste 210",
            "address_purpose": "LOCATION",
            "city": "Mc Lean",
            "state": "VA",
            "postal_code": "221024330",
            "country_code": "US",
            "telephone_number": "703-717-7775",
            "fax_number": "703-717-4218",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1625 N George Mason Dr Ste 315",
            "address_purpose": "LOCATION",
            "city": "Arlington",
            "state": "VA",
            "postal_code": "222053690",
            "country_code": "US",
            "telephone_number": "703-717-4217",
            "fax_number": "703-717-4218",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEBASTIAN",
        "first_name": "MARY",
        "middle_name": "LOUISE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-26",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "VA",
            "license": "0101233396",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msebastian12596@direct.virginiahospitalcenter.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "LOINC 34133-9",
            "address_1": "1625 N George Mason Dr Ste 315",
            "city": "Arlington",
            "state": "VA",
            "country_code": "US",
            "postal_code": "222053690",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jordynn Scott, WHNP-BC
• Krista Scott, LICSW
• Kevin Scotti, DDS, MSD
• Victor Anthony Scotti Jr.
• Scribbles LLC
• Ali Sedighi-Manesh, DMD
• Seeking Clarity, LLC
• Olivia N Seeley, DPT
• Seema Doshi, PLLC
• Ian Ainsley Seemungal, M.D

• Surgery Physician in Arlington, VA
• Providers in Arlington, VA by specialty
• Surgery Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; 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.