Individual provider Active NPI

Marjorie M Diaz, MD

  • Emergency Medicine Physician
  • Bronx, NY
National Provider Identifier
1609456763
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
334193 Issued in NY
Practice address
234 E 149TH St
Bronx, NY 10451-5504
Phone
(718) 579-5000
NPI assigned
Apr 13, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 334193 NY Primary

Addresses

Primary practice location

234 E 149TH St
Bronx, NY 10451-5504

Mailing address

736 W 173Rd St Apt 42B
New York, NY 10032-1117
Phone (347) 989-5579

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
I20250722002283 NY Practitioner - Emergency Medicine 1658887179 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
United Medical Associates PCGroup PAC ID 0345144978, 229 clinicians

Practice addresses (Care Compare)

33 -57 Harrison St
Johnson City, NY 13790-2107
Phone (607) 763-6622

Hospital & facility affiliations

  • United Health Services Hospitals, Inc Hospital, Binghamton, NY, CCN 330394

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
334193NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
United Medical Associates PC CurrentSince Jul 1, 2025 Accepting new patients
United Medical Associates, P.C. CurrentSince Jul 1, 2025 Accepting new patients

Locations

33 Lewis Rd
Fl 2
Binghamton, NY 13905
Phone (607) 729-8156

33-57 Harrison St
Johnson City, NY 13790
Phone (607) 763-6412

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": "1618272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1609456763",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "736 W 173RD ST APT 42B",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321117",
            "telephone_number": "347-989-5579"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "234 E 149TH ST",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104515504",
            "telephone_number": "718-579-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "MARJORIE",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-13",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "334193",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bronx, NY

Sources for this page

Verify at the official NPI Registry.