Ariel Warren

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

F308579-1 Issued in NY

Practice address

115 Mill St
Belmont, MA 02478-1048

Phone

(617) 855-2118

NPI assigned

Mar 6, 2018

Last updated

Jul 10, 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 NY, MA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mass General Brigham Medical Group Suburban Massachusetts IncGroup PAC ID 0244133494, 534 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: awarren121849@nyumc.direct-ci.com
• Direct secure messaging: warren.ariel.mcl@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mass General Brigham Medical Group Suburban Massachusetts Inc

  • Family Medicine Physician
  • Newton, MA
  • NPI 1538191218
  Medicare reassignment Care Compare group NPD
• New York University

  dba NYU Faculty Group Practice

  • Cardiovascular Disease Physician
  • Boynton Beach, FL
  • NPI 1285826438

  NY

  Medicare reassignment NPD
• The McLean Hospital Corporation

  dba McLean Professional Practice Group

  • Psychiatry Physician
  • Belmont, MA
  • NPI 1114979580
  NPD
• New York University

  dba NYU Langone Ambulatory Care Chelsea

  • Physical Medicine & Rehabilitation Physician
  • Boynton Beach, FL
  • NPI 1104787613
  NPD

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

{
    "created_epoch": "1520294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1538661582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "234 E 82ND ST APT 7",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100282740"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 MILL ST",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024781048",
            "telephone_number": "617-855-2118"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "ARIEL",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-06",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "NY",
            "license": "F308579-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "awarren121849@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "145 E 32nd St Fl 2",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100166055",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Karen A Walkey, LICSW
• Walnut Health LLC
• Deirdre Elizabeth Walsh, SLP
• Thomas C Walsh, LICSW,PHD
• Shih Huei Wang, DMD
• Watertown Dental Associates PLLC (Belmont Family Dental Care)
• Waverley Dental Care
• Christian Anthony Webb, PHD
• Danielle M Webster, RNCS
• Thomas Joseph Weigel, M.D.

• Primary Care Nurse Practitioner in Belmont, MA
• Providers in Belmont, MA by specialty
• Primary Care Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.