Hannah Elizabeth Trembath, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

2026012229 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Div Surg Oncology
Saint Louis, MO 63110-1003

Phone

(314) 362-2280

Fax

(888) 352-8360

NPI assigned

Apr 19, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

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

Specialty

General Surgery

Education

University of Iowa, RJ & L Carver College of Medicine, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: htrembath541184@direct.unc.nchie.net
• Direct secure messaging: htrembath297838@directhisp.wakemed.org

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

{
    "created_epoch": "1555632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1891358354",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-2280",
            "fax_number": "888-352-8360"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DIV SURG ONCOLOGY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-2280",
            "fax_number": "888-352-8360"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TREMBATH",
        "first_name": "HANNAH",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-19",
        "last_updated": "2026-08-11",
        "certification_date": "2026-07-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MO",
            "license": "2026012229",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div Surg Oncology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Stephanie Joy Treon, PNP
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• Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.