Internal Medicine, Gastroenterology · Saint Paul, MN
NPI
1982676672
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
4
Medicare group memberships
Hospitals
4
Hospital affiliations
2550 University Ave W, Suite 423 South
Saint Paul, MN, 55114
Phone (612) 870-5557
Groups this clinician bills Medicare through
Medicare paid, 2024
$126K
5,326 services
Medicare patients, 2024
437
Average age 72
Drug cost, 2024
$282K
1,093 prescriptions
Company payments, 2025
$14K
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Robert A Ganz was code 88305 (surgical pathology examination), 226 times for 128 patients. In total Robert A Ganz billed 5,326 services in 62 codes, and Medicare paid $126K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-10-29.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 88305 Surgical Pathology Examination | Office | 226 | 128 | $22.29 | $5,038 |
| 43239 Upper GI Endoscopy | Facility | 130 | 123 | $70.84 | $9,209 |
| 99214 Office E&M - Established | Office | 102 | 86 | $80.50 | $8,211 |
| 99213 Office E&M - Established | Office | 50 | 49 | $54.49 | $2,724 |
| 45380 Lower GI Endoscopy - Other | Facility | 46 | 46 | $105.80 | $4,867 |
| 99222 Hospital E&M - Initial | Facility | 46 | 46 | $86.72 | $3,989 |
| 91010 Test - Miscellaneous | Office | 33 | 33 | $147.78 | $4,877 |
| 43450 Digestive/Gastrointestinal | Facility | 27 | 27 | $27.19 | $734 |
| 43235 Upper GI Endoscopy | Facility | 26 | 26 | $74.30 | $1,932 |
| 45385 Colonoscopy - Lesion Removal | Facility | 25 | 25 | $174.05 | $4,351 |
| 99204 Office E&M - New | Office | 24 | 24 | $100.83 | $2,420 |
| 99223 Hospital E&M - Initial | Facility | 21 | 20 | $117.73 | $2,472 |
| 43229 Upper GI Endoscopy | Facility | 19 | 16 | $125.05 | $2,376 |
| 45378 Lower GI Endoscopy - Other | Facility | 18 | 18 | $116.20 | $2,092 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 13 | 13 | $147.94 | $1,923 |
By year: 2022 $130K for 3,866 services; 2023 $146K for 4,343 services; 2024 $126K for 5,326 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88305 Surgical Pathology Examination | 226 | 128 | $22.29 | $5,038 |
Medicare prescription drug claims, 2024
In 2024, the drug Robert A Ganz prescribed most often to Medicare patients was Omeprazole, with 340 prescriptions and refills. In total Robert A Ganz wrote 1,093 Medicare prescriptions that cost $282K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 340 | 953 | 133 | $7,440 |
| Famotidine Generic | 123 | 359 | 48 | $2,091 |
| Voquezna Vonoprazan Fumarate | 88 | 128 | 23 | $79K |
| Pantoprazole Sodium Generic | 85 | 250 | 37 | $1,910 |
| Amitriptyline Hcl Generic | 38 | 110 | 18 | $414 |
| Esomeprazole Magnesium Generic | 38 | 113 | 17 | $2,147 |
| Sucralfate Generic | 33 | 51 | 14 | $1,021 |
| Linzess Linaclotide | 25 | 60 | 13 | $30K |
| Dexlansoprazole Dr Dexlansoprazole | 23 | 63 | 12 | $15K |
| Colestipol Hcl Generic | 22 | 63 | 11 | $3,059 |
| Lansoprazole Generic | 20 | 53 | Under 11 | $3,598 |
| Bethanechol Chloride Generic | 19 | 31 | Under 11 | $1,262 |
| Budesonide Dr Budesonide | 16 | 32 | Under 11 | $3,034 |
| Oxycodone Hcl Generic | 13 | 13 | 12 | $48.13 |
| Xifaxan Rifaximin | 12 | 12 | Under 11 | $36K |
Brand drugs: 196 claims; generic drugs: 897 claims; opioid claims: 14.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Robert A Ganz $14K ($14K in general payments such as food, travel and fees) from 3 companies. The largest payer was Genzyme Corporation with $8,439.
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.