Internal Medicine, Gastroenterology · Lawrenceville, GA
NPI
1114911294
Since 2005
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
721 Wellness Way, Ste 100
Lawrenceville, GA, 30046
Phone (770) 995-7989
Groups this clinician bills Medicare through
Medicare paid, 2024
$157K
1,592 services
Medicare patients, 2024
765
Average age 73
Drug cost, 2024
$900K
3,806 prescriptions
Company payments, 2025
$1,212
From 18 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William G Tanner Jr. was code 43239 (upper gi endoscopy), 283 times for 282 patients. In total William G Tanner Jr. billed 1,592 services in 36 codes, and Medicare paid $157K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-09-25.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 43239 Upper GI Endoscopy | Facility | 283 | 282 | $77.41 | $22K |
| 99214 Office E&M - Established | Office | 207 | 160 | $93.39 | $19K |
| 99213 Office E&M - Established | Office | 195 | 167 | $65.06 | $13K |
| 45380 Lower GI Endoscopy - Other | Facility | 181 | 179 | $88.82 | $16K |
| 45385 Colonoscopy - Lesion Removal | Facility | 158 | 155 | $204.13 | $32K |
| 99203 Office E&M - New | Office | 148 | 148 | $76.87 | $11K |
| 43450 Digestive/Gastrointestinal | Facility | 75 | 75 | $31.36 | $2,352 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 74 | 74 | $179.87 | $13K |
| 99204 Office E&M - New | Office | 55 | 55 | $126.35 | $6,949 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 40 | 40 | $174.76 | $6,990 |
| 45378 Lower GI Endoscopy - Other | Facility | 25 | 25 | $138.12 | $3,453 |
| 99232 Hospital E&M - Subsequent | Facility | 21 | 11 | $61.46 | $1,291 |
| 82272 Immunoassay | Office | 20 | 20 | $4.15 | $83 |
| 99223 Hospital E&M - Initial | Facility | 16 | 14 | $135.59 | $2,169 |
| 99202 Office E&M - New | Office | 12 | 12 | $32.89 | $395 |
By year: 2022 $148K for 1,451 services; 2023 $150K for 1,536 services; 2024 $157K for 1,592 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 82272 Immunoassay | 20 | 20 | $4.15 | $83 |
Medicare prescription drug claims, 2024
In 2024, the drug William G Tanner Jr. prescribed most often to Medicare patients was Omeprazole, with 666 prescriptions and refills. In total William G Tanner Jr. wrote 3,806 Medicare prescriptions that cost $900K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 666 | 1,906 | 240 | $6,212 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 600 | 600 | 575 | $14K |
| Ondansetron Odt Ondansetron | 506 | 507 | 487 | $1,503 |
| Pantoprazole Sodium Generic | 499 | 1,464 | 199 | $6,454 |
| Famotidine Generic | 202 | 497 | 73 | $2,161 |
| Sucralfate Generic | 152 | 189 | 69 | $5,929 |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 96 | 96 | 92 | $3,588 |
| Esomeprazole Magnesium Generic | 71 | 174 | 21 | $3,866 |
| Linzess Linaclotide | 59 | 121 | 25 | $64K |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 55 | 55 | 54 | $1,387 |
| Ursodiol Generic | 53 | 95 | 12 | $6,388 |
| Dicyclomine Hcl Generic | 50 | 69 | 25 | $893 |
| Lansoprazole Generic | 40 | 118 | 12 | $1,373 |
| Metronidazole Generic | 37 | 37 | 29 | $244 |
| Budesonide Dr Budesonide | 37 | 47 | 12 | $3,136 |
Brand drugs: - claims; generic drugs: 3,409 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William G Tanner Jr. $1,212 ($1,212 in general payments such as food, travel and fees) from 18 companies. The largest payer was Abbvie Inc. with $271.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 20 | $271 |
| Gilead Sciences, Inc. GILD | 5 | $194 |
| Genzyme Corporation SNY | 4 | $103 |
| Madrigal Pharmaceuticals MDGL | 5 | $99.13 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 4 | $89.47 |
| Janssen Biotech, Inc. JNJ | 5 | $74.93 |
| Regeneron Healthcare Solutions, Inc. REGN | 3 | $72.78 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 4 | $67.65 |
| Ardelyx, Inc. ARDX | 2 | $43.91 |
| Intercept Pharmaceuticals, Inc. | 2 | $35.6 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.