NPIMap

Individual provider Active NPI

Tatyana Zusin Morton, M.D.

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1366529687
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
198915 Issued in NY
Practice address
110 E 55TH St FL 9
New York, NY 10022-4540
Phone
(212) 754-2800
Fax
(914) 828-0238
NPI assigned
Nov 1, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 198915 NY Primary

Addresses

Primary practice location

110 E 55TH St FL 9
New York, NY 10022-4540

Mailing address

110 E 55TH St FL 9
New York, NY 10022-4540
Phone (929) 318-7111

Other identifiers 1

IdentifierTypeStateIssuer
01683485MedicaidNY

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
I20040913001402 NY Practitioner - Internal MedicinePractitioner - Family PracticePractitioner - Hospitalist 0941277511 Reassigns benefits to 5 organizations
Practice locations: New York, NY

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
New York University School of Medicine, 1993
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

110 E 55TH St
FL 9
New York, NY 10022-4540
Phone (800) 750-8616

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Icahn School of Medicine at Mount Sinai Internal Medicine CurrentSince Nov 21, 2024 Accepting new patients
Trustees of Columbia University in the City of New York Internal Medicine CurrentSince Apr 13, 2019 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 14, 2020 Accepting new patients
Lawrence Medical Associates, PC CurrentSince Sep 12, 2011 Accepting new patients
Lawrence Medical Associates, PC Internal Medicine CurrentSince Sep 12, 2011 Accepting new patients
Trustees of Columbia University in the City of New York Internal Medicine CurrentSince Apr 13, 2019 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Nov 21, 2024 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 14, 2020 Accepting new patients
Trustees of Columbia University in the City of New York Internal Medicine CurrentSince Apr 13, 2019 Accepting new patients
Trustees of Columbia University in the City of New York Internal Medicine Past Accepting new patients
Maple Medical, LLP Past Accepting new patients
Maple Medical LLP Internal Medicine Past Accepting new patients

Locations

685 White Plains Rd
Fl 2
Eastchester, NY 10709
Phone (914) 787-4100

685 White Plains Rd
Lowr
Eastchester, NY 10709
Phone (914) 787-4100

2510 30th Ave
Long Island City, NY 11102
Phone (718) 267-4245

90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050

161 Fort Washington Ave
#2
New York, NY 10032
Phone (212) 305-1071

161 Fort Washington Ave
#2218
New York, NY 10032
Phone (212) 305-1071

161 Fort Washington Ave
New York, NY 10032
Phone (212) 305-8559

622 W 168th St
New York, NY 10032
Phone (212) 305-4931

161 Fort Washington Ave
Ste 209
New York, NY 10032
Phone (212) 305-1071

630 W 168th St
#4
New York, NY 10032
Phone (212) 305-6387

10114 Liberty Ave
#13292
Ozone Park, NY 11417
Phone (718) 487-3330

Philadelphia, PA 19195

Networks

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

Interoperability endpoints

  • Direct secure messaging: mortont@direct.nyp.org
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 12

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 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1366529687",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 E 55TH ST FL 9",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100224540",
            "telephone_number": "929-318-7111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 E 55TH ST FL 9",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100224540",
            "telephone_number": "212-754-2800",
            "fax_number": "914-828-0238"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MORTON",
        "first_name": "TATYANA",
        "middle_name": "ZUSIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "198915",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01683485",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.