David Rubin
NPI 1699838102ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology in Chicago, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $6,327,948 for 1,086 claims, against $35,422 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $299,672 in all, mostly consulting fees.
Overview
| NPI | 1699838102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 18, 2006 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036094857 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 301 across 28 procedure codes |
| Paid by Medicare | $35,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,086 · 1,738 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $6,327,948 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of ChicagoChicago, IL · 1,712 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$299,672 · 160 payments from 13 companies
- 2024$291,659 · 153 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $84,719 | 45 |
| Janssen Biotech, Inc. | $57,990 | 46 |
| Pfizer Inc. | $47,632 | 15 |
| Eli Lilly and Company | $29,983 | 19 |
| Takeda Pharmaceuticals U.S.A., Inc. | $24,790 | 6 |
What the 2025 payments were for
- Consulting Fee$166,427 · 59 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$120,450 · 25 payments
- Travel and Lodging$10,263 · 31 payments
- Food and Beverage$2,531 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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