Allison W. Warren, MD

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

MD035573 Issued in DC

Practice address

900 17TH St NW Ste 1250
Washington, DC 20006-2517

Phone

(301) 656-5050

Fax

(301) 654-4237

NPI assigned

Aug 2, 2006

Last updated

Jun 3, 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 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in DC, MD2 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

Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)

Education

University of Missouri, Columbia School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Cardiocare LLCGroup PAC ID 1254332729, 16 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• George Washington Univ Hospital Hospital, Washington, DC, CCN 090001
• Suburban Hospital Hospital, Bethesda, MD, CCN 210022

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.

• Cardiocare LLC

  • Specialist
  • Chevy Chase, MD
  • NPI 1235293937

  DC

  Medicare reassignment Care Compare group NPD
• Cardiology Associates, LLC

  • Specialist
  • Washington, DC
  • NPI 1972800399
  Medicare reassignment NPD
• Cardiology Associates, LLC

  • Specialist
  • Annapolis, MD
  • NPI 1396042719
  Medicare reassignment NPD
• Cardiology Associate, LLC

  • Specialist
  • Bowie, MD
  • NPI 1760789184
  NPD
• Cardiology Associates, LLC

  • Specialist
  • Leonardtown, MD
  • NPI 1417294380
  NPD
• Cardiology Associates, PC

  • Specialist
  • Washington, DC
  • NPI 1720009426
  NPD (past)
• Washington Heart and Vascular Center, PLLC

  • Interventional Cardiology Physician
  • Washington, DC
  • NPI 1891087565
  NPD (past)
• Cardiology Associates, PC

  • Specialist
  • Olney, MD
  • NPI 1215954243
  NPD (past)
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

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

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

• District Hospital Partners L P

  dba The George Washington University Hospital

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1487640207
  Care Compare affiliation
• Suburban Hospital, Inc.

  • General Acute Care Hospital
  • Bethesda, MD
  • NPI 1205896446
  Care Compare affiliation
• Suburban Hospital, Inc.

  dba Suburban Hospital Radiation Oncology Infusion Center

  • Radiation Oncology Clinic/Center
  • Bethesda, MD
  • NPI 1528096690

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1154476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1558378331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5530 WISCONSIN AVE STE 700",
            "city": "CHEVY CHASE",
            "state": "MD",
            "postal_code": "208154401",
            "telephone_number": "301-656-5050",
            "fax_number": "301-654-4237"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 17TH ST NW STE 1250",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200062517",
            "telephone_number": "301-656-5050",
            "fax_number": "301-654-4237"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5530 Wisconsin Ave Ste 700",
            "address_purpose": "LOCATION",
            "city": "Chevy Chase",
            "state": "MD",
            "postal_code": "208154401",
            "country_code": "US",
            "telephone_number": "301-656-5050",
            "fax_number": "301-654-4237",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WARREN",
        "first_name": "ALLISON",
        "middle_name": "W.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-02",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MD",
            "license": "D0063549",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "DC",
            "license": "MD035573",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "037360700",
            "state": "DC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "409543001",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christopher Anthony Warner, MD
• Elizabeth A Warner, M.D.
• Lesly Rachel Warner, MD
• Mojdeh Juliana Waroich, D.D.S.
• Monica Warr
• Angela Marie Warren
• Catherine Deanna Warren, HHA
• Christine Warren
• Constance Elizabeth Warren
• Eboney N Warren

• Clinical Cardiac Electrophysiology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Clinical Cardiac Electrophysiology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 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.