MR. JOHN BRETT WILLIAMSON PA
NPI 1366448623
Physician Assistant in Baton Rouge, LA

Active since June 22, 2005
550 CONNELLS PARK LN, BATON ROUGE, LA 70806(225) 924-2020(225) 925-0225 Get Directions Write a Review

NPPES record last updated: August 26, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. John Brett Williamson Pa NPPES

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

MR. JOHN BRETT WILLIAMSON PA (NPI 1366448623) is an individual physician assistant in Baton Rouge, Louisiana, licensed in Louisiana (PAA10380RX) and active in the NPI registry since June 2005. He is a graduate of Other (1998).

NPPES Registry Identity

NPI1366448623
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. JOHN BRETT WILLIAMSONCredential: PA
Location Address550 CONNELLS PARK LNBaton Rouge, LA 70806-6539
Mailing Address550 Connells Park LnBaton Rouge, LA 70806-6539 · (225) 924-2020 · Fax (225) 925-0225
Fax(225) 925-0225
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 22, 2005
Last NPPES UpdateAugust 26, 2008
NPI 1366448623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in LA · PAA10380RX
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
550 CONNELLS PARK LN, Baton Rouge, LA 70806

Other Identifiers 2

Medicare ID-Type Unspecified5J971P195LA
Medicare UPINP38965LA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. John Brett Williamson Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688629058
PECOS Enrollment IDI20050318000066

Other Providers at the Same Location NPPES 7

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

Optometrist
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Ophthalmology
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Clinic/Center (Ambulatory Surgical)
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Physician Assistant (Medical)
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Ophthalmology
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Ophthalmology
550 CONNELLS PARK LN
BATON ROUGE, LA 70806
Ophthalmology
550 CONNELLS PARK LN
BATON ROUGE, LA 70806

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 John Williamson's NPI number?

The NPI number for John Williamson is 1366448623. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is John Williamson located?

John Williamson practices at 550 Connells Park Ln, Baton Rouge, LA 70806. The listed phone number is (225) 924-2020.

What is John Williamson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is John Williamson enrolled in Medicare?

Yes. John Williamson is registered in the Medicare PECOS enrollment system.

What insurance does John Williamson accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list John Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Williamson was last updated on August 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.