Longshore Psychiatric Mental Health Services LLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

LONGSHORE PSYCHIATRIC MENTAL HEALTH SERVICES LLC

Practice address

23 Main St Ste 103
Hilton Head Island, SC 29926-6607

Phone

(813) 997-2099

NPI assigned

Nov 6, 2025

Organization subpart

No

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

Authorized official

Name

Mrs. Catherine McCormack, APRNNPI 1871744607

Title

Pmhnp-BC

Phone

(803) 290-1898

Specialties & licenses 1

Addresses

Other names 2

• Catherine McCormack PMNP-BC Doing business as
• LongShore Psychiatric Mental Health Services LLC Doing business as

Medicare fee-for-service enrollment

Enrolled in SC

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Catherine Longshore McCormack, APRN, RN

  • Psychiatric/Mental Health Nurse Practitioner
  • Hilton Head Island, SC
  • NPI 1871744607
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1762387200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778112000000",
    "number": "1689544512",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 MAIN ST STE 103",
            "city": "HILTON HEAD ISLAND",
            "state": "SC",
            "postal_code": "299266607",
            "telephone_number": "803-290-1898",
            "fax_number": "859-575-2775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23 MAIN ST STE 103",
            "city": "HILTON HEAD ISLAND",
            "state": "SC",
            "postal_code": "299266607",
            "telephone_number": "813-997-2099"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LONGSHORE PSYCHIATRIC MENTAL HEALTH SERVICES LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-06",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A",
        "authorized_official_last_name": "MCCORMACK",
        "authorized_official_first_name": "CATHERINE",
        "authorized_official_title_or_position": "PMHNP-BC",
        "authorized_official_telephone_number": "803-290-1898",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "APRN"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Catherine McCormack PMNP-BC",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "LongShore Psychiatric Mental Health Services LLC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Mark Liwanag, DO, MPH
• Andrew Lloyd, DPT, PT
• Robert Lee Lolik, LISW-CP
• Kathrine Lollis
• Paul McCrary Long, M.D.
• Judy Archer Loon, APRN
• Amy Lorenz, CRNA
• Low Country Home Oxygen & Medical Equipment, LLC
• Brian Low, D.M.D.
• Lowcountry Family Care LLC

• Psychiatric/Mental Health Nurse Practitioner in Hilton Head Island, SC
• Providers in Hilton Head Island, SC by specialty
• Psychiatric/Mental Health Nurse Practitioner in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.