Brittany Michelle Mathes Winnicki, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY10000700 Issued in MA

Practice address

32 Sheridan St
Jamaica Plain, MA 02130-4692

Phone

(617) 671-0839

NPI assigned

Feb 6, 2023

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Sep 26, 2024 through Sep 26, 2026

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

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

• Brittany Mathes Winnicki PHD PLLC

  • Clinical Psychologist
  • Jamaica Plain, MA
  • NPI 1831920909
  NPD Authorized official

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

{
    "created_epoch": "1675641600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1619673191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "32 SHERIDAN ST APT 2",
            "city": "JAMAICA PLAIN",
            "state": "MA",
            "postal_code": "021304692",
            "telephone_number": "617-671-0839"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "32 SHERIDAN ST",
            "city": "JAMAICA PLAIN",
            "state": "MA",
            "postal_code": "021304692",
            "telephone_number": "617-671-0839"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHES WINNICKI",
        "first_name": "BRITTANY",
        "middle_name": "MICHELLE",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-02-06",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "RI",
            "license": "PS02151",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MA",
            "license": "PSY10000700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Massachusetts Society for the Prevention of Cruelty to Children
• Amy Lyn Mastrangelo, MSOTR/L
• Match Community Day Charter Public School
• Maurya Materazzo, MA
• Kathryn Matherly, OD
• Diane Matos
• Kazune Matsuoka
• Catherine Matthews
• Leslie a.Mellor Mattis, LICSW
• Bela T Matyas, M.D.

• Clinical Psychologist in Jamaica Plain, MA
• Providers in Jamaica Plain, MA by specialty
• Clinical Psychologist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 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.