LONGSHORE PSYCHIATRIC MENTAL HEALTH SERVICES LLC
NPI 1689544512
Nurse Practitioner - Psychiatric/Mental Health in Hilton Head Island, SC

Q: What is Longshore Psychiatric Mental Health Services LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since November 06, 2025

23 MAIN ST STE 103, HILTON HEAD ISLAND, SC 29926(813) 997-2099 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2026, Apr 9, 2026, Mar 10, 2026 and 1 more (4 updates tracked since 2025).

On this page

About Longshore Psychiatric Mental Health Services Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LONGSHORE PSYCHIATRIC MENTAL HEALTH SERVICES LLC (NPI 1689544512), doing business as Catherine Mccormack Pmnp-bc, is a healthcare organization registered as a psychiatric/mental health in Hilton Head Island, South Carolina and active in the NPI registry since November 2025. The organization lists Catherine Mccormack, Pmhnp-bc, as its authorized official.

NPPES Registry Identity

NPI1689544512

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameLONGSHORE PSYCHIATRIC MENTAL HEALTH SERVICES LLC

Location Address23 MAIN ST STE 103Hilton Head Island, SC 29926-6607

Mailing Address23 Main St Ste 103Hilton Head Island, SC 29926-6607 · (803) 290-1898 · Fax (859) 575-2775

Phone(813) 997-2099

Organization SubpartNo

Authorized OfficialCatherine MccormackPmhnp-bc · (803) 290-1898

Enumeration DateNovember 6, 2025

Last NPPES UpdateMay 7, 20264 updates tracked since enumeration

NPPES CertifiedMay 7, 2026

✔ NPI 1689544512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

23 MAIN ST STE 103, Hilton Head Island, SC 29926

Open in Google Maps ↗

Other Names 2

Doing Business AsCatherine Mccormack Pmnp-bc

Doing Business AsLongshore Psychiatric Mental Health Services Llc

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CATHERINE LONGSHORE MCCORMACK APRN, RN

Nurse Practitioner (Psychiatric/Mental Health)

23 MAIN ST STE 103
HILTON HEAD ISLAND, SC 29926

Beaufort County (803) 290-1898

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Longshore Psychiatric Mental Health Services LLC's NPI number?

The NPI number for Longshore Psychiatric Mental Health Services LLC is 1689544512. It was assigned to this organization in the NPPES registry on November 6, 2025. The provider is doing business as Catherine McCormack PMNP-BC.

Where is Longshore Psychiatric Mental Health Services LLC located?

Longshore Psychiatric Mental Health Services LLC is located at 23 Main St Ste 103, Hilton Head Island, SC 29926. The listed phone number is (813) 997-2099.

What is Longshore Psychiatric Mental Health Services LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Longshore Psychiatric Mental Health Services LLC was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.