John Webb, M.D.
NPI 1801804133 · Gastroenterology Physician · Oxford, MS
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Webb, M.D. is a Gastroenterology Physician provider in Oxford, MS (NPI 1801804133).
Provider details
- NPI number
- 1801804133
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12621 (MS)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,153 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 246 | $243 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 189 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 161 | $122 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 91 | $94 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 82 | $113 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 428 | 108 |
| Famotidine | 313 | 89 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 247 | 241 |
| Dicyclomine Hcl | 166 | 50 |
| Omeprazole | 134 | 32 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 98 | 15 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,618 across 140 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
Additional practice locations (2)
- 200 State Highway 30 WNew Albany, MS 38652-3112Phone: (662) 234-9888
- 1210 Office Park DrOxford, MS 38655-3606Phone: (662) 234-9888
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2026-02-16
- Certified
- 2026-02-16
Frequently asked questions
- What is John Webb's NPI number?
- John Webb's National Provider Identifier (NPI) is 1801804133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Webb's specialty?
- John Webb is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Webb located?
- John Webb's practice location on file with NPPES is 1208 Office Park Dr, Oxford, MS 38655-3597.
- What is John Webb's phone number?
- The practice phone number listed in the NPPES registry for John Webb is (662) 234-9888.
- Does John Webb accept Medicare?
- John Webb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Webb's NPI active?
- Yes — John Webb's NPI (1801804133) is active in the NPPES registry as of the last update on 2026-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.