Individual provider Active NPI

William Flanagan, PSY.D.

  • Marriage & Family Therapist
  • Springfield, MA
National Provider Identifier
1407058035
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
172 Issued in MA
Practice address
300 Carew St
Suite 2
Springfield, MA 01104-2485
Phone
(413) 781-5050
Fax
(413) 781-2510
NPI assigned
Jun 5, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 179 MA
Marriage & Family Therapist 106H00000X 172 MA Primary

Addresses

Primary practice location

300 Carew St
Suite 2
Springfield, MA 01104-2485

Mailing address

300 Carew St
Suite 2
Springfield, MA 01104-2485
Phone (413) 781-5050

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
172MAMDAthletic Trainer
179MAMDHearing Instrument Specialist

Practice roles

OrganizationSpecialtyStatusNew patients
Baystate Medical Practices, Inc PastSince Mar 1, 2015 Accepting new patients
Springfield Neurology Associates, LLC Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1181001600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1407058035",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 CAREW ST",
            "address_2": "SUITE 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011042485",
            "telephone_number": "413-781-5050",
            "fax_number": "413-781-2510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 CAREW ST",
            "address_2": "SUITE 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011042485",
            "telephone_number": "413-781-5050",
            "fax_number": "413-781-2510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLANAGAN",
        "first_name": "WILLIAM",
        "credential": "PSY.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-05",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MA",
            "license": "179",
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "MA",
            "license": "172",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

  • 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.