Stephen J Antonik, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

0101245281 Issued in VA

Practice address

19500 Sandridge Way Ste 470
Leesburg, VA 20176-3694

Phone

(703) 771-9001

Fax

(703) 771-9076

NPI assigned

Nov 30, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in VA, DC2 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

Gastroenterology

Education

Loyola University of Chicago, Stritch School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Reston Hospital Center Hospital, Reston, VA, CCN 490107
• Winchester Medical Center Hospital, Winchester, VA, CCN 490005
• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HIGACA/Endpoint/HIGACA

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

• Gastroenterology Associates PLLC

  • Gastroenterology Physician
  • Leesburg, VA
  • NPI 1497853303

  DC

  Medicare reassignment NPD Authorized official
• Frederick Health Hospital Inc

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

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

• Inova Health Care Services

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228
  Care Compare affiliation
• Inova Health Care Services

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302
  Care Compare affiliation
• Reston Hospital Center LLC

  • General Acute Care Hospital
  • Reston, VA
  • NPI 1053363853
  Care Compare affiliation
• Winchester Medical Center

  • General Acute Care Hospital
  • Winchester, VA
  • NPI 1619928017
  Care Compare affiliation
• Winchester Medical Center

  • Clinical Medical Laboratory
  • Winchester, VA
  • NPI 1790024909

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1133308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1633478400000",
    "number": "1770567257",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19500 SANDRIDGE WAY STE 470",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201763694",
            "telephone_number": "703-771-9001",
            "fax_number": "703-771-9076"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19500 SANDRIDGE WAY STE 470",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201763694",
            "telephone_number": "703-771-9001",
            "fax_number": "703-771-9076"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ANTONIK",
        "first_name": "STEPHEN",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-30",
        "last_updated": "2021-10-06",
        "certification_date": "2021-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "VA",
            "license": "0101245281",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036113018",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angel Medical Transportation, LLC
• Mallika Angitipalli, M.D
• Anil Chenthitta MD PLC
• Ifesinachi Anosike, CRNA
• Melissa Johnson Antonik, M.D.
• Lesly Aparicio
• Apexx Dental
• Jennifer Appel, M.A., CCC-SLP
• Appetite 4 Change LLC
• Applied Behavior Analysis Consulting Services, LLC.

• Gastroenterology Physician in Leesburg, VA
• Providers in Leesburg, VA by specialty
• Gastroenterology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2021; 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.