Internal Medicine, Gastroenterology · Saint Peters, MO
NPI
1265430516
Since 2005
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
201 BJC Saint Peters Dr, Suite 100
Saint Peters, MO, 63376
Phone (636) 916-8200
Groups this clinician bills Medicare through
Medicare paid, 2024
$122K
1,443 services
Medicare patients, 2024
650
Average age 75
Drug cost, 2024
$827K
4,097 prescriptions
Company payments, 2025
$179
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Richard A Geisman was code 99213 (office e&m - established), 319 times for 263 patients. In total Richard A Geisman billed 1,443 services in 41 codes, and Medicare paid $122K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2014-12-15.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 319 | 263 | $55.54 | $18K |
| 45385 Colonoscopy - Lesion Removal | Facility | 205 | 204 | $188.37 | $39K |
| 43239 Upper GI Endoscopy | Facility | 136 | 128 | $44.15 | $6,005 |
| 99213 Office E&M - Established | Facility | 125 | 122 | $50.04 | $6,255 |
| 45380 Lower GI Endoscopy - Other | Facility | 114 | 114 | $65.99 | $7,523 |
| 99214 Office E&M - Established | Office | 74 | 71 | $73.80 | $5,461 |
| 99202 Office E&M - New | Office | 64 | 64 | $39.00 | $2,496 |
| 99203 Office E&M - New | Office | 47 | 47 | $67.38 | $3,167 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 44 | 44 | $171.26 | $7,535 |
| 99203 Office E&M - New | Facility | 38 | 38 | $59.26 | $2,252 |
| 99232 Hospital E&M - Subsequent | Facility | 38 | 22 | $59.64 | $2,266 |
| 43249 Upper GI Endoscopy | Facility | 36 | 33 | $82.64 | $2,975 |
| 99214 Office E&M - Established | Facility | 34 | 32 | $74.36 | $2,528 |
| 99204 Office E&M - New | Office | 23 | 23 | $93.24 | $2,145 |
| 99222 Hospital E&M - Initial | Facility | 17 | 17 | $98.75 | $1,679 |
By year: 2022 $228K for 3,730 services; 2023 $219K for 3,826 services; 2024 $122K for 1,443 services.
Medicare prescription drug claims, 2024
In 2024, the drug Richard A Geisman prescribed most often to Medicare patients was Pantoprazole Sodium, with 1,416 prescriptions and refills. In total Richard A Geisman wrote 4,097 Medicare prescriptions that cost $827K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 1,416 | 3,813 | 465 | $16K |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 354 | 354 | 349 | $21K |
| Dicyclomine Hcl Generic | 328 | 603 | 100 | $5,582 |
| Esomeprazole Magnesium Generic | 224 | 526 | 68 | $13K |
| Omeprazole Generic | 194 | 529 | 61 | $2,447 |
| Famotidine Generic | 145 | 372 | 52 | $3,751 |
| Mesalamine Generic | 137 | 255 | 28 | $53K |
| Sucralfate Generic | 117 | 220 | 41 | $11K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 115 | 115 | 114 | $1,202 |
| Balsalazide Disodium Generic | 108 | 216 | 28 | $16K |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 65 | 65 | 63 | $1,032 |
| Cholestyramine Cholestyramine (With Sugar) | 54 | 118 | 28 | $5,602 |
| Azathioprine Generic | 51 | 118 | 12 | $2,687 |
| Linzess Linaclotide | 50 | 78 | 13 | $42K |
| Nortriptyline Hcl Generic | 45 | 93 | Under 11 | $795 |
Brand drugs: - claims; generic drugs: 3,592 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Richard A Geisman $179 ($179 in general payments such as food, travel and fees) from 1 company. The largest payer was Janssen Biotech, Inc. with $179.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 2 | $179 |
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.