Nancy A Eiswirth, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

1149 Issued in CT

Practice address

664 Prospect Avenue
Hartford, CT 06105

Phone

(860) 236-8087

Fax

(860) 586-7422

NPI assigned

Jul 26, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1153872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1518981356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "664 PROSPECT AVENUE",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "06105",
            "telephone_number": "860-236-8087",
            "fax_number": "860-586-7422"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "664 PROSPECT AVENUE",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "06105",
            "telephone_number": "860-236-8087",
            "fax_number": "860-586-7422"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EISWIRTH",
        "first_name": "NANCY",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-07-26",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CT",
            "license": "1149",
            "primary": true
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "CT",
            "license": "1149",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BLUE CROSS BLUE SH",
            "identifier": "060001149CT05",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD INSURANCE CO",
            "identifier": "P383627",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Margaret Heather Einstein, M.D.
• Michael M. Einstein, M.D.
• David Eisenberg, MD
• Renee Eisenberg
• Leonard Eisenfeld, MD
• Elisabeth Ekman
• Lucette El Bitar
• Hassan El Chebib, M.D.
• Tony El Jabbour, M.D.
• Samantha El Warrak, MBBS

• Clinical Psychologist in Hartford, CT
• Providers in Hartford, CT by specialty
• Clinical Psychologist in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.