Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Louis

Family Medicine Physician in Palm Desert, CA · enumerated 2016 · practices at Robert F Steinberg, M.D. A Medical Corporation.

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

National Provider Identifier

1316395726

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Registry record

Entity type Individual (Type 1)

Name Matthew Louis

Sex Male

Practice address 41865 Boardwalk Ste 103, Palm Desert, CA, 92211

Phone (760) 391-5151

Fax (760) 391-5159

Enumeration date May 25, 2016

Last updated in NPPES Jun 4, 2021

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A154573 (CA) Primary

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

What is the NPI number for Matthew Louis?

The National Provider Identifier (NPI) for Matthew Louis is 1316395726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Louis practice?

The practice location on file with NPPES is in Palm Desert, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Robert F Steinberg, M.D. A Medical Corporation Internal Medicine Physician · Palm Desert, CA NPI 1912179060 Suzonne Windham Primary Care Nurse Practitioner · Palm Desert, CA NPI 1679926208

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-04.