John Provenza, M.D.
NPI 1225028434 · Gastroenterology Physician · Shreveport, LA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Provenza, M.D. is a Gastroenterology Physician provider in Shreveport, LA (NPI 1225028434).
Provider details
- NPI number
- 1225028434
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 017860 (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
20 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
1,056 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 | 231 | $96 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 115 | $224 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 111 | $31 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 110 | $106 |
| Dilation of Esophagus43450 | 79 | $37 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 248 | 236 |
| Esomeprazole Magnesium | 164 | 58 |
| Pantoprazole Sodium | 80 | 26 |
| Amitriptyline Hcl | 75 | 15 |
| Omeprazole | 63 | 22 |
| Budesonidebrand: Budesonide Dr | 41 | 15 |
| Baclofen | 41 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,356 across 76 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
- 2005-10-27
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is John Provenza's NPI number?
- John Provenza's National Provider Identifier (NPI) is 1225028434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Provenza's specialty?
- John Provenza is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Provenza located?
- John Provenza's practice location on file with NPPES is 8383 Millicent Way Ste B, Shreveport, LA 71115.
- What is John Provenza's phone number?
- The practice phone number listed in the NPPES registry for John Provenza is (318) 631-9121.
- Does John Provenza accept Medicare?
- John Provenza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Provenza's NPI active?
- Yes — John Provenza's NPI (1225028434) 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.