Individual provider Active NPI

Mitchell Lloyd Powell

  • Neurology Physician
  • Roslyn, NY
National Provider Identifier
1679101158
Registry record updated Aug 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
333999 Issued in NY
Practice address
100 Port Washington Blvd
Roslyn, NY 11576-1347
Phone
(516) 562-6000
NPI assigned
Mar 30, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Neurophysiology Physician 2084N0600X 333999 NY
Neurology Physician 2084N0400X 333999 NY Primary

Addresses

Primary practice location

100 Port Washington Blvd
Roslyn, NY 11576-1347

Mailing address

1991 Marcus Ave Ste 1000
New Hyde Park, NY 11042-2057

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20251009002023 NY Practitioner - Neurology 3779080213 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Baylor College of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Francis HospitalGroup PAC ID 9234101221, 96 clinicians

Practice addresses (Care Compare)

100 Port Washington Blvd
Roslyn, NY 11576-1353
Phone (516) 562-6000

Hospital & facility affiliations

  • St Francis Hospital - the Heart Center Hospital, Roslyn, NY, CCN 330182
  • Long Island Jewish Medical Center Hospital, New Hyde Park, NY, CCN 330195

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
St. Francis Hospital Current Accepting new patients
St Francis Hospital United States Catholic Conference CurrentSince Aug 1, 2025 Accepting new patients
St. Francis Hospital CurrentSince Aug 1, 2025 Accepting new patients

Locations

100 Port Washington Blvd
Roslyn, NY 11576
Phone (516) 562-6385

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722

Organizations & group practices 3

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1679101158",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1991 MARCUS AVE STE 1000",
            "city": "NEW HYDE PARK",
            "state": "NY",
            "postal_code": "110422057"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 PORT WASHINGTON BLVD",
            "city": "ROSLYN",
            "state": "NY",
            "postal_code": "115761347",
            "telephone_number": "516-562-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POWELL",
        "first_name": "MITCHELL",
        "middle_name": "LLOYD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0600X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Clinical Neurophysiology",
            "state": "NY",
            "license": "333999",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NY",
            "license": "333999",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Roslyn, NY

Sources for this page

Verify at the official NPI Registry.