Individual provider Active NPI

Mehak Masood Laharwal

  • Hematology & Oncology Physician
  • Buffalo, NY
National Provider Identifier
1669950861
Registry record updated Jul 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
338073 Issued in NY
Practice address
Elm and Carlton St
Buffalo, NY 14263-0001
Phone
(716) 845-2300
NPI assigned
Jul 31, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 338073 NY Primary

Addresses

Primary practice location

Elm and Carlton St
Buffalo, NY 14263-0001

Mailing address

Elm and Carlton St
Buffalo, NY 14263-0001

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
I20251006001873 NY Practitioner - Hematology/Oncology 5496251654 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Roswell Park Cancer InstituteGroup PAC ID 3577475110, 487 clinicians

Practice addresses (Care Compare)

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Hospital & facility affiliations

  • Roswell Park Cancer Institute Hospital, Buffalo, NY, CCN 330354

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Roswell Park Cancer Institute CurrentSince Nov 11, 2025 Accepting new patients
Roswell Park Cancer Institute CurrentSince Nov 11, 2025 Accepting new patients

Locations

Dept 8000
Buffalo, NY 14267

Elm and Carlton St
Buffalo, NY 14263

Organizations & group practices 2

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 1

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": "1532995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1669950861",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAHARWAL",
        "first_name": "MEHAK",
        "middle_name": "MASOOD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-07-31",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "338073",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.