Erik Antonsen, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

P6573 Issued in TX

Practice address

55 Fruit St
Boston, MA 02114-2621

Phone

(617) 724-4100

NPI assigned

Mar 30, 2009

Sex

Male

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 TX, MA2 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

Emergency Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: antonsen.erik.mgh@direct.partners.masshiway.net

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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• Baylor College of Medicine

  • Family Medicine Physician
  • Houston, TX
  • NPI 1053352914
  Medicare reassignment NPD
• Baylor College of Medicine

  • Ph.D. Medical Genetics
  • Houston, TX
  • NPI 1881026664
  Medicare reassignment NPD
• Integrative Emergency Services Physician Group-Houston PLLC

  • Emergency Medicine Physician
  • Pasadena, TX
  • NPI 1801458708
  Medicare reassignment NPD
• General Hospital Corp

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1508390014
  NPD
• Baylor College of Medicine

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1104867175
  NPD
• Baylor College of Medicine

  • Orthopaedic Surgery Physician
  • Sugar Land, TX
  • NPI 1700683844
  NPD
• Medical Center Emergency Physicians PA

  • Emergency Medicine Physician
  • Houston, TX
  • NPI 1639154230
  NPD (past)

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

• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1238371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1721001600000",
    "number": "1972745461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2300 RICHMOND AVE APT 340",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770983265",
            "telephone_number": "773-771-8829"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-4100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1504 Ben Taub Loop",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "77030",
            "country_code": "US",
            "telephone_number": "713-873-8555",
            "fax_number": "713-873-6604",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANTONSEN",
        "first_name": "ERIK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-03-30",
        "last_updated": "2024-07-15",
        "certification_date": "2024-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "P6573",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebecca K Antonellis, CPHT
• Ekaterini Antonellou, D.M.D
• Alexandra Antonescu, DMD
• Michael K Antonietti
• Donald A Antonioli, M.D.
• Alia Yousif Antoon, MD
• Robert E Antosia
• Celestina Antunes
• Alexis Gabriella Antunez, MD
• Sama Bianca Anvari, MD

• Emergency Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 2024; 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.