NPIMap

Individual provider Active NPI

Dalia Littman, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1730823386
Registry record updated Mar 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
324629 Issued in NY
Practice address
550 1St Ave
New York, NY 10016-6402
Phone
(212) 263-5506
NPI assigned
Apr 20, 2022
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 324629 NY Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

550 1St Ave
New York, NY 10016-6402

Mailing address

550 1St Ave
New York, NY 10016-6402

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address dalia.littman@nyulangone.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260317004813 NY Practitioner - Internal Medicine 7618485962 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

462 1St Ave
New York, NY 10016-9196

700 Hicksville Rd
Bethpage, NY 11714-3471

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
324629NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New York University Internal Medicine CurrentSince Feb 8, 2026 Accepting new patients
New York University Internal Medicine CurrentSince Feb 8, 2026 Accepting new patients
NYU Langone Hospitals Past Accepting new patients

Locations

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

Networks

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

Interoperability endpoints

  • Direct secure messaging: dlittman357625@nyumc.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.

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": "1650412800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1730823386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-5506"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LITTMAN",
        "first_name": "DALIA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-04-20",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "324629",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dalia.littman@nyulangone.org",
            "affiliation": "N",
            "address_1": "550 1st Ave",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100166402",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.