Individual provider Active NPI

Diana Lenis

  • Internal Medicine Physician
  • Lake Grove, NY
National Provider Identifier
1316409907
Registry record updated Mar 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
316755 Issued in NY
Practice address
4 Smith Haven Mall, Suite 203
Lake Grove, NY 11755-0001
Phone
(631) 444-0580
NPI assigned
Apr 2, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 26, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 316755 NY Primary

Addresses

Primary practice location

4 Smith Haven Mall, Suite 203
Lake Grove, NY 11755-0001

Mailing address

4 Smith Haven Mall
Suite 203
Lake Grove, NY 11755-2508
Phone (631) 444-0580

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, NY2 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

Enrollment IDStateProvider typePAC IDDetails
I20230405001102 TX Practitioner - Hospitalist 6002142700 Reassigns benefits to 1 organization
I20240828000520 NY Practitioner - Internal Medicine 6002142700 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

100 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

Lauterbur Dr
Stony Brook, NY 11794-0001
Phone (632) 638-1000

PO Box
Suite 1554
Stony Brook, NY 11790-0989

Hospital & facility affiliations

  • Catholic Home Care Home health agency, Farmingdale, NY, CCN 337147
  • Suny/Stony Brook University Hospital Hospital, Stony Brook, NY, CCN 330393

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
316755NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stony Brook Internists, University Faculty Practice Corporation Internal Medicine CurrentSince Aug 19, 2024 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation CurrentSince Aug 19, 2024 Accepting new patients
Pine Ridge Indian Health Service Hospital CurrentSince Feb 22, 2023 Accepting new patients
Pine Ridge Indian Health Service Hospital Current Accepting new patients
Pine Ridge Indian Health Service Hospital CurrentSince Feb 22, 2023 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation PastSince Mar 30, 2025 Accepting new patients

Locations

4 Smith Haven Mall
Ste 203
Lake Grove, NY 11755
Phone (631) 444-0561

100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560

Networks

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

Organizations & group practices 6

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 7

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": "1554163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742947200000",
    "number": "1316409907",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 SMITH HAVEN MALL",
            "address_2": "SUITE 203",
            "city": "LAKE GROVE",
            "state": "NY",
            "postal_code": "117552508",
            "telephone_number": "631-444-0580"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4 SMITH HAVEN MALL, SUITE 203",
            "city": "LAKE GROVE",
            "state": "NY",
            "postal_code": "117550001",
            "telephone_number": "631-444-0580"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LENIS",
        "first_name": "DIANA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-02",
        "last_updated": "2025-03-26",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "316755",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Grove, NY

Sources for this page

Verify at the official NPI Registry.