Stephen B. Hanauer, MD
NPI 1992868418ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology (MD) in Chicago, Illinois, trained at University of Michigan Medical School (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $3,092,162 for 846 claims, against $41,017 paid for services in 2024. Lilly USA, LLC was the largest of 11 companies reporting payments in 2025, $260,450 in all, mostly speaking and faculty fees.
Overview
| NPI | 1992868418 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 18, 2006 |
| Last updated in NPPES | May 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036057399 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 202 |
|---|---|
| Services billed | 408 across 20 procedure codes |
| Paid by Medicare | $41,017 |
Part D prescriptions in 2024
| Prescriptions (claims) | 846 · 1,577 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $3,092,162 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$260,450 · 168 payments from 11 companies
- 2024$266,519 · 170 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $88,575 | 64 |
| Janssen Biotech, Inc. | $66,258 | 44 |
| Abbvie Inc. | $42,897 | 30 |
| Celltrion USA Inc. | $17,654 | 9 |
| Biocon Biologics Inc | $10,909 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$172,880 · 51 payments
- Consulting Fee$53,696 · 19 payments
- Honoraria$15,893 · 7 payments
- Travel and Lodging$15,272 · 51 payments
- Food and Beverage$2,710 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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