Individual provider Active NPI

Leonard H Wexler, MD

  • Pediatric Hematology & Oncology Physician
  • New York, NY
National Provider Identifier
1831161181
Registry record updated Aug 11, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X
License
168581 Issued in NY
Practice address
1275 York Ave
New York, NY 10021-6007
Phone
(212) 639-7990
NPI assigned
Feb 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Hematology & Oncology Physician 2080P0207X 168581 NY Primary
Pediatric Hematology & Oncology Physician 2080P0207X 25MA06529800 NJ

Addresses

Primary practice location

1275 York Ave
New York, NY 10021-6007

Mailing address

633 3Rd Ave
Box 3
New York, NY 10017-6706

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 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
I20110222000172 NY Practitioner - Hematology/OncologyPractitioner - Pediatric Medicine 8426239625 Reassigns benefits to 1 organization
I20260311000678 NJ Practitioner - Pediatric Medicine 8426239625 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Pediatric Medicine
Education
Boston University School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorial Pediatric GroupGroup PAC ID 1557250958, 37 clinicians

Practice addresses (Care Compare)

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA06529800NJMDPediatric Hematology & Oncology Physician
168581NYMDPediatric Hematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MSK Monmouth CurrentSince Jan 14, 2026 Accepting new patients
Memorial Pediatric Group Pediatric Hematology-Oncology CurrentSince Jan 1, 1987 Accepting new patients
Memorial Hospital for Cancer and Allied Diseases Past Accepting new patients

Locations

480 Red Hill Rd
Middletown, NJ 07748
Phone (908) 542-3007

633 3rd Ave
Lbby 3
New York, NY 10017
Phone (848) 225-6000

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

Networks

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

Interoperability endpoints

  • Direct secure messaging: wexlerl@direct.nyp.org
  • Direct secure messaging: lwexler39843@mskcc.direct-ci.com

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.

NPI Registry JSON

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691712000000",
    "number": "1831161181",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "633 3RD AVE",
            "address_2": "BOX 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176706"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100216007",
            "telephone_number": "212-639-7990"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEXLER",
        "first_name": "LEONARD",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2023-08-11",
        "certification_date": "2023-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "NY",
            "license": "168581",
            "primary": true
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "NJ",
            "license": "25MA06529800",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.