Kristen Peters Bierwirth, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PS02420 Issued in RI

Practice address

1485 S County TRL Ste 107
East Greenwich, RI 02818-1747

Phone

(401) 733-3349

Fax

(401) 941-7847

NPI assigned

Aug 21, 2023

Last updated

Feb 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in RI

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2006

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Child and Family Psychiatry, Inc.

  dba LifeStance Health

  • Psychiatry Physician
  • Warwick, RI
  • NPI 1760863229
  Medicare reassignment NPD

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

{
    "created_epoch": "1692576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1245014307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 TAGGART CT",
            "city": "EAST GREENWICH",
            "state": "RI",
            "postal_code": "028181085",
            "telephone_number": "646-391-4470"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1485 S COUNTY TRL STE 107",
            "city": "EAST GREENWICH",
            "state": "RI",
            "postal_code": "028181747",
            "telephone_number": "401-733-3349",
            "fax_number": "401-941-7847"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIERWIRTH",
        "first_name": "KRISTEN",
        "middle_name": "PETERS",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-21",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "RI",
            "license": "PS02420",
            "primary": true
        },
        {
            "code": "103TS0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, School",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raquel Marques Bertolotti, PA-C
• Sara Elizabeth Bertuccio, PA-C
• Bethel Behavioral Associates of South County
• David Pedro Bica, DO
• Natasha Bica, MD
• Karen Blackmer, MD
• Meighan Dingle Blanco, NP
• Robert Joseph Block, D.D.S.
• Thipphavan Boatright, NP
• April Borges

• Clinical Psychologist in East Greenwich, RI
• Providers in East Greenwich, RI by specialty
• Clinical Psychologist in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 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; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.