John Bienvenu, MD
NPI 1821265281 · Gastroenterology Physician · Bossier City, LA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Bienvenu, MD is a Gastroenterology Physician provider in Bossier City, LA (NPI 1821265281).
Provider details
- NPI number
- 1821265281
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 204229 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,111 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 195 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 123 | $74 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 122 | $228 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 109 | $122 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 90 | $31 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 172 | 78 |
| Omeprazole | 54 | 25 |
| Sucralfate | 38 | 22 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 25 | 24 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 23 | — |
| Budesonidebrand: Budesonide Dr | 15 | — |
| Linaclotidebrand: Linzess |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$905 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-14
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is John Bienvenu's NPI number?
- John Bienvenu's National Provider Identifier (NPI) is 1821265281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bienvenu's specialty?
- John Bienvenu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Bienvenu located?
- John Bienvenu's practice location on file with NPPES is 2400 Hospital Dr Ste 370, Bossier City, LA 71111-2391.
- What is John Bienvenu's phone number?
- The practice phone number listed in the NPPES registry for John Bienvenu is (318) 631-9121.
- Does John Bienvenu accept Medicare?
- John Bienvenu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Bienvenu's NPI active?
- Yes — John Bienvenu's NPI (1821265281) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.