Individual provider Active NPI

Dalia Walzer, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1427752765
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
343355 Issued in NY
Practice address
505 E 70TH St
New York, NY 10021-4872
Phone
(212) 746-2900
NPI assigned
Mar 29, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 343355 NY Primary

Addresses

Primary practice location

505 E 70TH St
New York, NY 10021-4872

Mailing address

505 E 70TH St
New York, NY 10021-4872
Phone (212) 746-2900

Other practice location 1

5141 Broadway
New York, NY 10034-1159
Phone (212) 932-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Interoperability endpoints

  • Direct secure messaging: dwalzer117636@mskcc.direct-ci.com

NPI Registry JSON

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

{
    "created_epoch": "1680048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1427752765",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-746-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-746-2900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5141 Broadway",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100341159",
            "country_code": "US",
            "telephone_number": "212-932-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALZER",
        "first_name": "DALIA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-29",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "343355",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.