Individual provider Active NPI

Leah Oliff

  • Physical Therapist
  • Great Neck, NY
National Provider Identifier
1639021629
Registry record updated Feb 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
055567 Issued in NY
Practice address
475 Northern Blvd Ste 37
Great Neck, NY 11021-4802
Phone
(516) 829-0030
Fax
(516) 466-7723
NPI assigned
Feb 11, 2026
Last updated
Feb 11, 2026By the provider in NPPES
Sex
Unspecified or another gender identity
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 055567 NY Primary

Addresses

Primary practice location

475 Northern Blvd Ste 37
Great Neck, NY 11021-4802

Mailing address

475 Northern Blvd Ste 37
Great Neck, NY 11021-4802
Phone (516) 344-0023

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260311003313 NY Practitioner - Physical Therapist in Private Practice 2466935036 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
New York Luna Care Physical Therapy PLLCGroup PAC ID 0840604666, 62 clinicians
Reddy Care Physical Therapy PCGroup PAC ID 5890685986, 139 clinicians

Practice addresses (Care Compare)

Pearl River, NY 10965
Phone (866) 525-3175

475 Northern Blvd
Great Neck, NY 11021-4802
Phone (516) 829-0030

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
055567NYMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Reddy Care Physical Therapy PC Physical Therapist CurrentSince Feb 11, 2026 Accepting new patients
Link Home Therapy Services of Ny-PT OT SLP PLLC PastSince Oct 3, 2018 Accepting new patients

Locations

475 Northern Blvd
Ste 11
Great Neck, NY 11021
Phone (516) 344-0023

475 Northern Blvd
Ste 37
Great Neck, NY 11021
Phone (516) 344-0023

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1770768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1639021629",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "475 NORTHERN BLVD STE 37",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110214802",
            "telephone_number": "516-344-0023",
            "fax_number": "516-466-7723"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "475 NORTHERN BLVD STE 37",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110214802",
            "telephone_number": "516-829-0030",
            "fax_number": "516-466-7723"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLIFF",
        "first_name": "LEAH",
        "sole_proprietor": "YES",
        "sex": "X",
        "enumeration_date": "2026-02-11",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "NY",
            "license": "055567",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Great Neck, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.