Physician Profile
John W. McDonald, M.D.
Unclaimed ProfileAbout 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.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
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
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
7,419 services · 652 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
77 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
67 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
45 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
21 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
18 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
16 |
| Biopsy of small bowel (except ileum) using an endoscope | Procedure | 44361 |
12 |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
12 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
22 |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
6,600 |
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.