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

Mark A. St Cyr, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1184678997

Mark A. St Cyr, MD is an Internal Medicine in Lafayette, Louisiana. Graduated from Louisiana State University School of Medicine in Shreveport in 1986, 40 years ago. Practices with Christus Health Central Louisiana, a 45-clinician group. Licensed in Louisiana.

Years since qualifying
40
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
LA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2100 Jefferson St
Lafayette, LA 70501-8556
Phone: (337) 261-0734
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 018991 (LA)

Record details

NPI number1184678997
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESApril 15, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 1986 (40 years in practice)
Group practice Christus Health Central Louisiana — 45 clinicians
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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