Catherine Mezzacappa, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

79298 Issued in CT

Practice address

950 Campbell Ave
West Haven, CT 06516-2770

Phone

(203) 932-5711

NPI assigned

May 11, 2018

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1525996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1952891327",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "950 CAMPBELL AVE",
            "city": "WEST HAVEN",
            "state": "CT",
            "postal_code": "065162770",
            "telephone_number": "203-932-5711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "950 CAMPBELL AVE",
            "city": "WEST HAVEN",
            "state": "CT",
            "postal_code": "065162770",
            "telephone_number": "203-932-5711"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "421 N Main St",
            "address_purpose": "LOCATION",
            "city": "Leeds",
            "state": "MA",
            "postal_code": "010539764",
            "country_code": "US",
            "telephone_number": "413-584-4040",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MEZZACAPPA",
        "first_name": "CATHERINE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-11",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CT",
            "license": "79298",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Addie Merians, PHD
• Christopher Merrick, PHARMD
• Sarah Meshberg-Cohen, PH.D.
• Lawrence Messina, DDS
• Cynthia Metz
• Kyle Michael, RN
• Donna Mihalick, P.T.
• Biruk Mikru, PHARM.D.
• Anthony Joseph Milano, DC
• Deborah Watts Miles, APRN, BC

• Gastroenterology Physician in West Haven, CT
• Providers in West Haven, CT by specialty
• Gastroenterology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.