Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

On-Site Medical Solutions, LLC

Family Medicine Physician in Gonzales, LA · enumerated 2018 · authorized official Frank Guarisco, Coo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164997680

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Registry record

Entity type Organization (Type 2)

Legal business name On-Site Medical Solutions, LLC

Practice address 37534 Highway 30 Ste A, Gonzales, LA, 70737

Phone (225) 217-4344

Fax (225) 224-3523

Enumeration date Oct 11, 2018

Last updated in NPPES Oct 4, 2019

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

261Q00000X Clinic/Center Ambulatory Health Care Facilities Secondary

261QX0100X Occupational Medicine Clinic/Center Ambulatory Health Care Facilities Secondary

Authorized official

Name Frank Guarisco

Title Coo

Phone (225) 644-6767

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is On-Site Medical Solutions, LLC located?

The practice location on file with NPPES is in Gonzales, LA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2019-10-04. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Rachel Metz Family Nurse Practitioner · Gonzales, LA NPI 1710605316

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-04.