Isabelle Rae Girard, RN, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN2358618 Issued in MA

Practice address

100 Cambridge St
Boston, MA 02114-2509

Phone

(774) 331-8165

NPI assigned

May 1, 2019

Last updated

Jan 27, 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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: lifestancehealth.isabellegirard@147611.advancedmd-direct.com

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 Psychological Services, PLLC

  dba LifeStance Health

  • Psychologist
  • Norwood, MA
  • NPI 1912987181
  NPD (past)

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

{
    "created_epoch": "1556668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1235794660",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 LEWIS ST APT 105",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021282663",
            "telephone_number": "917-733-0633"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 CAMBRIDGE ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142509",
            "telephone_number": "774-331-8165"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIRARD",
        "first_name": "ISABELLE",
        "middle_name": "RAE",
        "credential": "RN, PMHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-01",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2358618",
            "primary": true
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karissa M Giovannini, LICSW
• Michael Carlo Giovingo, M.D.
• Kevin Sylvan Gipson, M.D., M.S.
• Natalia Giraldo Santiago, PHD
• Cecilia Torres Girard, CNM
• Tyler Girard
• Maryann M Girardi, PT
• Marsha Girault-Macias
• Aedome Girma, DO
• Meron Girmaiy

• Psychiatric/Mental Health Nurse Practitioner in Boston, MA
• Providers in Boston, MA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 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.