Physician Profile
Unclaimed ProfileAbout CHAPMAN
Jonathon Casey Chapman, MD is a healthcare provider in Baton Rouge, LA specializing in gastroenterology. Jonathon trained at Louisiana State University School of Medicine in New Orleans, graduating in 2006. Jonathon is also listed as specializing in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (225) 927-1190
- Email not available
Practice Locations
9103 JEFFERSON HWY
Baton Rouge, LA 70809
Procedures Most Often Billed to Medicare
25 services · 24 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Baton Rouge 4
Same specialty, same city.
More connections — 14 related providers in 2 groups
Trained at Louisiana State University School of Medicine in New Orleans 6
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Louisiana State University School of Medicine in New Orleans 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Chapman?
Dr. Chapman is a gastroenterology in Baton Rouge, LA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Chapman's address?
Dr. Chapman is listed at 9103 JEFFERSON HWY, Baton Rouge, LA 70809. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chapman?
The number on file is (225) 927-1190. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chapman's NPI number?
Dr. Chapman's National Provider Identifier is 1689867434. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chapman train?
Dr. Chapman attended Louisiana State University School of Medicine in New Orleans, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chapman been practicing?
Dr. Chapman has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chapman perform?
According to Medicare billing data, Dr. Chapman the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chapman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chapman. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.