Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Isles Fraser Messier, PA

Individual provider Physician Assistant · NPI 1699876599

John Isles Fraser Messier, PA is a Physician Assistant in Shreveport, Louisiana. Qualified in 2004, 22 years ago. Practices with Christus Trinity Clinic, a 1,531-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
22
Licensed in
LA
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

8001 Youree Dr Ste 400
Shreveport, LA 71115-2302
Phone: (318) 212-3456
Fax: (318) 212-3885
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 2151 Airline Dr Ste 700, Bossier City, LA 71111-3398 — (318) 550-2176
  • 7045 Youree Dr, Shreveport, LA 71105-5108 — (318) 798-3763
  • 9300 Mansfield Rd, Shreveport, LA 71118-3155 — (318) 629-3763

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PAA10402 (LA)

Record details

NPI number1699876599
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedSeptember 26, 2006
Last updated in NPPESJuly 22, 2022
Certification dateJuly 22, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Christus Trinity Clinic — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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