Individual provider Active NPI

Ismee Williams, MD

  • Pediatric Cardiology Physician
  • New York, NY
National Provider Identifier
1740234574
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
217896 Issued in NY
Practice address
3959 Broadway
Columbia Unversity Department Pediatric
New York, NY 10032-1559
Phone
(221) 304-7250
Fax
(212) 544-1974
NPI assigned
May 19, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X 217896 NY Primary

Addresses

Primary practice location

3959 Broadway
Columbia Unversity Department Pediatric
New York, NY 10032-1559

Mailing address

3959 Broadway
Columbia Unversity Department Pediatric
New York, NY 10032-1559
Phone (221) 304-7250

Other identifiers 2

IdentifierTypeStateIssuer
0101681MedicaidNJ
02739754MedicaidNY

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
I20060525000001 NY Practitioner - Pediatric MedicinePractitioner - Cardiovascular Disease (Cardiology) 1557372976 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
217896NYMDPediatric Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Jan 13, 2018 Accepting new patients
Montefiore Medical Center CurrentSince Jan 13, 2018 Accepting new patients
Trustees of Columbia University in the City of New York Pediatric Cardiology Past Accepting new patients

Locations

111 E 210th St
Bronx, NY 10467

1250 Waters Pl
Bronx, NY 10461
Phone (718) 409-9444

Networks

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

Interoperability endpoints

  • Direct secure messaging: iswillia@montefioredirect.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": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1740234574",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3959 BROADWAY",
            "address_2": "COLUMBIA UNVERSITY DEPARTMENT PEDIATRIC",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321559",
            "telephone_number": "221-304-7250",
            "fax_number": "212-544-1974"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3959 BROADWAY",
            "address_2": "COLUMBIA UNVERSITY DEPARTMENT PEDIATRIC",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321559",
            "telephone_number": "221-304-7250",
            "fax_number": "212-544-1974"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "ISMEE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "NY",
            "license": "217896",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0101681",
            "state": "NJ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02739754",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.