Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Barry L. Frederick, PA-C, MPAS, RN, BSN

Medical Physician Assistant in Slidell, LA · enumerated 2006.

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

National Provider Identifier

1285601740

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Registry record

Entity type Individual (Type 1)

Name Barry L. Frederick

Credential PA-C, MPAS, RN, BSN

Sex Male

Practice address 1150 Robert Blvd Ste 240, Slidell, LA, 70458

Phone (985) 646-3662

Fax (985) 646-3691

Enumeration date Mar 3, 2006

Last updated in NPPES Apr 22, 2020

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License A10586 (LA) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 specialty is Barry Frederick?

Barry Frederick is registered in NPPES with the primary taxonomy of Medical Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Riley Dimaggio Physician Assistant · Slidell, LA NPI 1013741446

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-22.