NPIMap

Individual provider Active NPI

Amy Susan Duffield, M.D., PH.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • New York, NY
National Provider Identifier
1144370255
Registry record updated Jun 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
302648 Issued in NY
Practice address
1275 York Ave
New York, NY 10065-6007
Phone
(212) 639-5900
NPI assigned
Jan 11, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 302648 NY Primary
Student in an Organized Health Care Education/Training Program 390200000X
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X D70962 MD

Addresses

Primary practice location

1275 York Ave
New York, NY 10065-6007

Mailing address

1 Gustave L Levy PL
New York, NY 10029-6504
Phone (212) 639-5900

Other practice location 1

1 Gustave L Levy Pl
New York, NY 10029-6504
Phone (212) 241-5609

Other practice location 2

600 N Wolfe St
Pathology Building, Rm 401
Baltimore, MD 21287-0005
Phone (410) 955-3980

Other identifiers 2

IdentifierTypeStateIssuer
06174161MedicaidNY
432114600MedicaidMD

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
I20201008000674 NY Practitioner - PathologyPractitioner - Dermatology 4789708470 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
PathologyAlso: Dermatology
Education
Yale University School of Medicine, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Icahn School of Medicine at Mount SinaiGroup PAC ID 2264691070, 2,809 clinicians

Practice addresses (Care Compare)

1 Gustave L Levy PL
New York, NY 10029-6504
Phone (212) 241-8014

Hospital & facility affiliations

  • Mount Sinai Hospital Hospital, New York, NY, CCN 330024
  • Mount Sinai Beth Israel Hospital, New York, NY, CCN 330169

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Fpa Hospital Based Current Accepting new patients
Fpa Hospital Based Anatomic Pathology & Clinical Pathology CurrentSince Oct 22, 2022 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Apr 1, 2023 Accepting new patients
Fpa Hospital Based Anatomic Pathology & Clinical Pathology Current Accepting new patients
Icahn School of Medicine at Mount Sinai Anatomic Pathology & Clinical Pathology CurrentSince Apr 1, 2023 Accepting new patients
Fpa Hospital Based CurrentSince Oct 22, 2022 Accepting new patients

Locations

5 E 98th St
Fl 6
New York, NY 10029
Phone (212) 241-2221

5 E 98th St
Fl 5
New York, NY 10029
Phone (212) 241-8234

1468 Madison Ave
New York, NY 10029
Phone (212) 241-0440

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

Networks

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

Organizations & group practices 6

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 9

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": "1168473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1144370255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296504",
            "telephone_number": "212-639-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "212-639-5900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Gustave L Levy Pl",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100296504",
            "country_code": "US",
            "telephone_number": "212-241-5609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "600 N Wolfe St",
            "address_2": "Pathology Building, Rm 401",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870005",
            "country_code": "US",
            "telephone_number": "410-955-3980",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUFFIELD",
        "first_name": "AMY",
        "middle_name": "SUSAN",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-11",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NY",
            "license": "302648",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MD",
            "license": "D70962",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "06174161",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "432114600",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.