Robert Warren

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

21025 Issued in DC

Practice address

3800 Reservoir Rd NW
Washington, DC 20007-2113

Phone

(202) 444-2223

NPI assigned

Jul 20, 2005

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 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rwarren@medstar.direct.varian.com

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.

• MGMC, LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1891797148
  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • White Plains, MD
  • NPI 1407559081
  NPD
• Medstar Georgetown Medical Center

  • Clinical Medical Laboratory
  • Washington, DC
  • NPI 1730198755
  NPD (past)
• Frederick Health Hospital Inc

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

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

{
    "created_epoch": "1121817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1196380800000",
    "number": "1568461598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 631856",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212631856"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-2223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "ROBERT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-20",
        "last_updated": "2007-11-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "DC",
            "license": "21025",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keirra Shanta Warren
• La'Crisha Shaney Warren
• Maya Warren
• Melissa Gaye Warren
• Nancy K Warren, BCBA
• Robert Warren
• Roderick J Warren Jr.
• Shelby Warren
• Steven Preston Warren Jr.
• Sydney Warren

• Hematology & Oncology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Hematology & Oncology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 30, 2007; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.