William Tanner, M.D.
NPI 1114911294 · Gastroenterology Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tanner, M.D. is a Gastroenterology Physician provider in Lawrenceville, GA (NPI 1114911294).
Provider details
- NPI number
- 1114911294
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 046817 (GA)
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
1,510 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 | 283 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 195 | $90 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 181 | $107 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 158 | $246 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 666 | 240 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 600 | 575 |
| Ondansetronbrand: Ondansetron Odt | 506 | 487 |
| Pantoprazole Sodium | 499 | 199 |
| Famotidine | 202 | 73 |
| Sucralfate | 152 | 69 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,267 across 71 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
- 2005-09-06
- Last updated
- 2012-09-25
Frequently asked questions
- What is William Tanner's NPI number?
- William Tanner's National Provider Identifier (NPI) is 1114911294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tanner's specialty?
- William Tanner is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Tanner located?
- William Tanner's practice location on file with NPPES is 721 Wellness Way, Lawrenceville, GA 30046-3304.
- What is William Tanner's phone number?
- The practice phone number listed in the NPPES registry for William Tanner is (770) 995-7989.
- Does William Tanner accept Medicare?
- William Tanner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tanner's NPI active?
- Yes — William Tanner's NPI (1114911294) is active in the NPPES registry as of the last update on 2012-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.