Internal Medicine, Gastroenterology · Creve Coeur, MO
NPI
1467566703
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
11525 Olde Cabin Rd
Creve Coeur, MO, 63141
Phone (314) 997-0554
Groups this clinician bills Medicare through
Medicare paid, 2024
$416K
16,825 services
Medicare patients, 2024
851
Average age 73
Drug cost, 2024
$2.4M
2,906 prescriptions
Company payments, 2025
$6,055
From 21 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Leonard B Weinstock was code J3380 (injection, vedolizumab, intravenous, 1 mg), 8,400 times for 13 patients. In total Leonard B Weinstock billed 16,825 services in 58 codes, and Medicare paid $416K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2014-03-06.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J3380 Injection, vedolizumab, intravenous, 1 mg | Office | 8,400 | 13 | $17.33 | $146K |
| J1745 Injection, infliximab, excludes biosimilar, 10 mg | Office | 3,170 | 22 | $24.82 | $79K |
| 45385 Colonoscopy - Lesion Removal | Facility | 223 | 221 | $200.38 | $45K |
| 45380 Lower GI Endoscopy - Other | Facility | 220 | 220 | $95.29 | $21K |
| 99214 Office E&M - Established | Office | 192 | 153 | $87.23 | $17K |
| 43239 Upper GI Endoscopy | Facility | 99 | 96 | $70.93 | $7,022 |
| 99439 Chronic, Principal, and Transitional Care Management | Office | 94 | 36 | $36.71 | $3,450 |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 85 | 37 | $48.04 | $4,083 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 81 | 81 | $174.58 | $14K |
| 96413 Chemotherapy Administration | Office | 55 | 24 | $96.42 | $5,303 |
| 43249 Upper GI Endoscopy | Facility | 55 | 36 | $99.67 | $5,482 |
| 99213 Office E&M - Established | Office | 55 | 51 | $61.80 | $3,399 |
| 91065 Test - Miscellaneous | Office | 51 | 47 | $50.98 | $2,600 |
| 99204 Office E&M - New | Office | 47 | 47 | $111.98 | $5,263 |
| 43235 Upper GI Endoscopy | Facility | 46 | 46 | $68.28 | $3,141 |
By year: 2022 $653K for 32,424 services; 2023 $430K for 19,202 services; 2024 $416K for 16,825 services.
Lab tests billed to Medicare, 2023
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88305 Surgical Pathology Examination | 211 | 111 | $17.30 | $3,650 |
Medicare prescription drug claims, 2024
In 2024, the drug Leonard B Weinstock prescribed most often to Medicare patients was Ondansetron Odt (Ondansetron), with 593 prescriptions and refills. In total Leonard B Weinstock wrote 2,906 Medicare prescriptions that cost $2.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ondansetron Odt Ondansetron | 593 | 593 | 551 | $1,251 |
| Pantoprazole Sodium Generic | 189 | 484 | 63 | $2,129 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 186 | 186 | 185 | $12K |
| Plenvu Peg3350/Sod Sul/Nacl/Kcl/Asb/C | 142 | 142 | 140 | $20K |
| Famotidine Generic | 141 | 324 | 50 | $1,942 |
| Omeprazole Generic | 137 | 376 | 61 | $1,537 |
| Linzess Linaclotide | 63 | 139 | 31 | $74K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 50 | 50 | 50 | $594 |
| Mesalamine Generic | 46 | 89 | 13 | $11K |
| Lorazepam Generic | 45 | 51 | 11 | $256 |
| Stelara Ustekinumab | 43 | 67 | Under 11 | $1.1M |
| Balsalazide Disodium Generic | 43 | 94 | 13 | $9,189 |
| Cholestyramine Cholestyramine (With Sugar) | 39 | 49 | 15 | $2,486 |
| Ondansetron Hcl Generic | 37 | 37 | Under 11 | $512 |
| Nortriptyline Hcl Generic | 35 | 50 | Under 11 | $356 |
Brand drugs: - claims; generic drugs: 2,239 claims; opioid claims: 15.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Leonard B Weinstock $6,055 ($6,055 in general payments such as food, travel and fees) from 21 companies. The largest payer was Genzyme Corporation with $1,900.
| Company | Payments | Amount |
|---|---|---|
| Genzyme Corporation SNY | 7 | $1,900 |
| Abbvie Inc. ABBV | 62 | $1,258 |
| Janssen Biotech, Inc. JNJ | 25 | $672 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 23 | $360 |
| Aimmune Therapeutics, Inc. | 13 | $301 |
| Lilly USA, LLC LLY | 14 | $269 |
| Pfizer Inc. PFE | 21 | $259 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 12 | $253 |
| Madrigal Pharmaceuticals MDGL | 10 | $177 |
| Novo Nordisk Inc NVO | 3 | $154 |
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.