Alan Mark Auerbach, M.D.
NPI 1902913759ActiveIndividual· Internal Medicine, Gastroenterology· Buffalo Grove, IL
Internal Medicine, Gastroenterology (M.D.) in Buffalo Grove, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1978). Mostly services rather than prescriptions: Medicare paid $33,397 for 193 patients in 2024, with only 39 Part D claims. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 2 companies reporting payments in 2025, $84.12 in all, mostly food and beverage.
Overview
| NPI | 1902913759 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Sep 6, 2024 |
| Certified by provider | Sep 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036059072 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 01065184A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (HI); Practitioner - Gastroenterology (IL); Practitioner - Gastroenterology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 362 across 34 procedure codes |
| Paid by Medicare | $33,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 39 · 51 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $1,680 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Gastroenterology |
Medical groups
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
- Porter Physician Services LLCValparaiso, IN · 99 clinicians
Hospital affiliations
- Northwest Health - PorterValparaiso, IN
- Parkview Regional Medical CenterFort Wayne, IN
Industry payments (Open Payments)
- 2025$84.12 · 4 payments from 2 companies
- 2024$64.67 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $63.81 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $20.31 | 1 |
What the 2025 payments were for
- Food and Beverage$84.12 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Buffalo Grove
- 1407076888
- 1871625483