Individual provider Active NPI

Reed Frances Martensen

  • Family Nurse Practitioner
  • Bay Shore, NY
National Provider Identifier
1932090891
Registry record updated Apr 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
765568 Issued in NY
Practice address
1963 Union Blvd
Bay Shore, NY 11706-7956
Phone
(833) 797-1330
NPI assigned
Jul 10, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 765568 NY Primary

Addresses

Primary practice location

1963 Union Blvd
Bay Shore, NY 11706-7956

Mailing address

1963 Union Blvd
Bay Shore, NY 11706-7956
Phone (631) 591-7470

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260507001617 NY Practitioner - Nurse Practitioner 8426526468 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

1963 Union Blvd
Bay Shore, NY 11706-7956
Phone (631) 591-7472

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
765568NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore-Lij Medical PC PastSince Jul 13, 2025 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: reedmartensen@nslijmedgr.allscriptsdirect.net

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1752105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1932090891",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1963 UNION BLVD",
            "city": "BAY SHORE",
            "state": "NY",
            "postal_code": "117067956",
            "telephone_number": "631-591-7470"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1963 UNION BLVD",
            "city": "BAY SHORE",
            "state": "NY",
            "postal_code": "117067956",
            "telephone_number": "833-797-1330"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTENSEN",
        "first_name": "REED",
        "middle_name": "FRANCES",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-10",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "765568",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bay Shore, NY

Sources for this page

Verify at the official NPI Registry.