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Edit this profileAt a glance
- 9103 Jefferson Hwy, Baton Rouge, LA 70809
About Dr. Mcdonald
John W. McDonald, M.D. is a healthcare provider in Baton Rouge, LA specializing in gastroenterology. John trained at Louisiana State University School of Medicine in Shreveport, graduating in 2004. Medicare claims data shows John provided 7,419 services to 652 patients. The services billed most often include injection, vedolizumab, intravenous, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month. This provider record is associated with NPI 1386834281.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (225) 927-1190
- Email not available
Practice Locations
9103 JEFFERSON HWY
Baton Rouge, LA 70809
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
7,419 services · 652 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
77 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
67 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
45 | More often than most peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
21 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
18 | Less often than most peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
16 | Less often than most peers in Gastroenterology |
| Biopsy of small bowel (except ileum) using an endoscope | Procedure | 44361 |
12 | Less often than most peers in Gastroenterology |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
12 | Less often than most peers in Gastroenterology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
22 | As often as other peers in Gastroenterology |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
6,600 | As often as other peers in Gastroenterology |
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 gastroenterologists 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 gastroenterologists in Baton Rouge 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Louisiana State University School of Medicine in Shreveport 7
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Louisiana State University School of Medicine in Shreveport 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in LA who bill this service to Medicare most often.
Common questions
What kind of doctor is John W. McDonald?
John W. McDonald is a gastroenterologist in Baton Rouge, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is John W. McDonald's address?
John W. McDonald 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 John W. McDonald?
The number on file is (225) 927-1190. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John W. McDonald?
John W. McDonald's National Provider Identifier is 1386834281. 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 John W. McDonald train?
John W. McDonald attended Louisiana State University School of Medicine in Shreveport, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John W. McDonald have?
John W. McDonald has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does John W. McDonald perform?
According to Medicare billing data, John W. McDonald performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope; reads or performs imaging such as complete ultrasound scan of abdomen; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John W. McDonald's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John W. McDonald. If this is you, claiming it is free.
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