Physician Profile
John N. Bienvenu, MD
Unclaimed ProfileAbout Dr. Bienvenu
John N. Bienvenu, MD practices gastroenterology in Bossier City, LA. John is a 2008 graduate of Louisiana State University School of Medicine in Shreveport. Medicare claims data shows John provided 1,111 services to 988 patients. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and removal of polyps or growths of large bowel using an endoscope with mechanical snare.
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.
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
- (318) 631-9121
- Email not available
Practice Locations
2400 HOSPITAL DR STE 370
Bossier City, LA 71111
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
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
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
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
1,111 services · 988 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
195 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
122 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
72 | More often than most peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
62 | More than most peers in Gastroenterology |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
27 | More often than most peers in Gastroenterology |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
27 | As often as other peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
24 | As often as other peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
23 | As often as other peers in Gastroenterology |
| Dilation of esophagus | Procedure | 43450 |
22 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
19 | 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.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Bossier City 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Louisiana State University School of Medicine in Shreveport 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 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 is Dr. Bienvenu's specialty?
Dr. Bienvenu is a gastroenterologist in Bossier City, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Bienvenu?
Dr. Bienvenu is listed at 2400 Hospital Dr Ste 370, Bossier City, LA 71111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Bienvenu?
The number on file is (318) 631-9121. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Bienvenu?
Dr. Bienvenu's National Provider Identifier is 1821265281. 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
What is Dr. Bienvenu's medical education?
Dr. Bienvenu attended Louisiana State University School of Medicine in Shreveport, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Bienvenu have?
Dr. Bienvenu has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Bienvenu known for?
According to Medicare billing data, Dr. Bienvenu 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 biopsy of large bowel using a flexible endoscope; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Bienvenu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bienvenu. 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.