Internal Medicine, Gastroenterology · Chicago, IL
NPI
1699838102
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
5841 S Maryland Ave
Chicago, IL, 60637
Phone (888) 824-0200
Groups this clinician bills Medicare through
Medicare paid, 2024
$35K
301 services
Medicare patients, 2024
134
Average age 70
Drug cost, 2024
$6.3M
1,086 prescriptions
Company payments, 2025
$330K
From 15 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David Rubin was code G2211 (visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's), 79 times for 71 patients. In total David Rubin billed 301 services in 28 codes, and Medicare paid $35K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-10-24.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 79 | 71 | $13.81 | $1,091 |
| 99215 Office E&M - Established | Office | 66 | 56 | $146.24 | $9,652 |
| 36415 Venipuncture Blood Collection | Office | 40 | 36 | $8.65 | $346 |
| 45380 Lower GI Endoscopy - Other | Office | 23 | 23 | $319.78 | $7,355 |
| 99205 Office E&M - New | Office | 21 | 21 | $169.88 | $3,568 |
| 99214 Office E&M - Established | Office | 17 | 17 | $94.44 | $1,605 |
By year: 2022 $23K for 144 services; 2023 $35K for 248 services; 2024 $35K for 301 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 40 | 36 | $8.65 | $346 |
Medicare prescription drug claims, 2024
In 2024, the drug David Rubin prescribed most often to Medicare patients was Rinvoq (Upadacitinib), with 139 prescriptions and refills. In total David Rubin wrote 1,086 Medicare prescriptions that cost $6.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rinvoq Upadacitinib | 139 | 164 | 19 | $1.1M |
| Stelara Ustekinumab | 71 | 101 | 11 | $2.0M |
| Skyrizi On-Body Risankizumab-Rzaa | 67 | 122 | 14 | $1.3M |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 66 | 102 | 14 | $3,366 |
| Humira(Cf) Pen Adalimumab | 55 | 64 | Under 11 | $789K |
| Loperamide Loperamide Hcl | 45 | 64 | Under 11 | $1,227 |
| Prednisone Generic | 39 | 75 | 18 | $265 |
| Omeprazole Generic | 34 | 96 | 14 | $385 |
| Mesalamine Generic | 29 | 78 | 11 | $18K |
| Humira Pen Adalimumab | 29 | 29 | Under 11 | $381K |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 27 | 27 | Under 11 | $328 |
| Ciprofloxacin Hcl Generic | 27 | 43 | Under 11 | $222 |
| Cholestyramine Cholestyramine (With Sugar) | 23 | 43 | Under 11 | $1,808 |
| Tramadol Hcl Generic | 21 | 21 | Under 11 | $52.29 |
| Pantoprazole Sodium Generic | 19 | 51 | Under 11 | $440 |
Brand drugs: - claims; generic drugs: 571 claims; opioid claims: 64.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David Rubin $330K ($300K in general payments such as food, travel and fees and $30K for research) from 15 companies. The largest payer was Abbvie Inc. with $89K.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 48 | $89K |
| Pfizer Inc. PFE | 36 | $72K |
| Janssen Biotech, Inc. JNJ | 46 | $58K |
| Eli Lilly and Company LLY | 19 | $30K |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 6 | $25K |
| Celltrion USA Inc. 068270.KS | 7 | $23K |
| Merck Sharp & Dohme LLC MRK | 8 | $8,541 |
| Genentech, Inc. ROG.SW | 5 | $7,245 |
| Lilly USA, LLC LLY | 2 | $5,850 |
| Genzyme Corporation SNY | 2 | $5,302 |
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.