James Michael Gagnon Jr., PHARM.D.

Primary specialty

PharmacistTaxonomy code 183500000X

License

MA25437 Issued in MA

Practice address

179 Longwood Ave
Boston, MA 02115-5804

Phone

(617) 732-2068

Fax

(617) 732-2244

NPI assigned

Aug 12, 2005

Sex

Male

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

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Pharmacy

State licenses

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

{
    "created_epoch": "1123804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1689676389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 NEWELL RD",
            "city": "WAKEFIELD",
            "state": "MA",
            "postal_code": "018802613"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "179 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155804",
            "telephone_number": "617-732-2068",
            "fax_number": "617-732-2244"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAGNON",
        "first_name": "JAMES",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "PHARM.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "MA",
            "license": "MA25437",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Makenzie Gagne
• Staci Gagne, M.D.
• Charles Alan Gagnon-Vargas, MD
• Elizabeth Mainzer Gagnon, PHD
• Haley Gagnon, PA-C
• Maria Gagnon
• Marie-Helene Gagnon, MD
• Nicole M. Gagnon, LCSW
• Tracey Gagnon, PH.D.
• Eric D Gaier, MD. PHD

• Pharmacist in Boston, MA
• Providers in Boston, MA by specialty
• Pharmacist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.