Melissa B Brennan

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

3 Carver Square Blvd FL 2
Carver, MA 02330-1200

Phone

(774) 451-3453

Fax

(508) 747-1402

NPI assigned

Jun 23, 2008

Last updated

Sep 6, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jan 6, 2025 through Jan 6, 2027

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Brennan Behavioral Health, Inc

  dba Mayflower Mental Health

  • Mental Health Counselor
  • Plymouth, MA
  • NPI 1881281319
  NPD Authorized official

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

{
    "created_epoch": "1214179200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788652800000",
    "number": "1194986133",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 SOUTH ST",
            "city": "PLYMOUTH",
            "state": "MA",
            "postal_code": "023602956",
            "telephone_number": "774-451-3453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3 CARVER SQUARE BLVD FL 2",
            "city": "CARVER",
            "state": "MA",
            "postal_code": "023301200",
            "telephone_number": "774-451-3453",
            "fax_number": "508-747-1402"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRENNAN",
        "first_name": "MELISSA",
        "middle_name": "B",
        "name_prefix": "Miss",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-06-23",
        "last_updated": "2026-09-06",
        "certification_date": "2026-09-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "222Q00000X",
            "taxonomy_group": "",
            "desc": "Developmental Therapist",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Elizabeth Betters, M.S.W. LICSW
• Phillip Earl Bleak, D.D.S.
• Adrian Blindt, PT
• Ryan George Bousquet, PHARMD
• John C. Breen, M.S. , P.T.
• Cape Cod Pain Management, PC
• Carver Dental PC
• Carver Family Eyecare
• Carver Smiles P.C.
• Joseph M Cassetta, RN

• Mental Health Counselor in Carver, MA
• Providers in Carver, MA by specialty
• Mental Health Counselor in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.