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

Dr. Jonathon Casey Chapman, MD

Individual provider Internal Medicine Physician · NPI 1689867434

Dr. Jonathon Casey Chapman, MD is a Gastroenterology in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2006, 20 years ago. Practices with Lsuhn Billing LLC, a 199-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
20
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2007
Specialties on file
2
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

9103 Jefferson Hwy
Baton Rouge, LA 70809-2440
Phone: (225) 927-1190
Fax: (225) 706-0160
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD 201621 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 201621 (LA)

Record details

NPI number1689867434
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2007
Last updated in NPPESNovember 9, 2014

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2006 (20 years in practice)
Group practice Lsuhn Billing Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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