Holly Gennaro, MD

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

1027267 Issued in MA

Practice address

133 Littleton Rd Ste 205206
Westford, MA 01886-3115

Phone

(978) 692-9978

Fax

(978) 589-6835

NPI assigned

Mar 30, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Holly Neale Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

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

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1648598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1811637515",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "526 MAIN ST STE 302",
            "city": "ACTON",
            "state": "MA",
            "postal_code": "017203310",
            "telephone_number": "978-371-7010",
            "fax_number": "978-371-0522"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 LITTLETON RD STE 205206",
            "city": "WESTFORD",
            "state": "MA",
            "postal_code": "018863115",
            "telephone_number": "978-692-9978",
            "fax_number": "978-589-6835"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "54 Baker Avenue Ext Ste 305&306",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422137",
            "country_code": "US",
            "telephone_number": "978-371-7010",
            "fax_number": "978-287-4268",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "86 Baker Avenue Ext Ste 100",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422132",
            "country_code": "US",
            "telephone_number": "978-371-7010",
            "fax_number": "978-287-4268",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GENNARO",
        "first_name": "HOLLY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-30",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "1027267",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HOLLY",
            "last_name": "NEALE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Dermatology Physician in Westford, MA
• Providers in Westford, MA by specialty
• Dermatology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.