Benjamin Gruber, MD, PHD, FACS
NPI 1134197957ActiveIndividual· Otolaryngology· Chicago, IL
Otolaryngology (MD, PHD, FACS) in Chicago, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1982). 249 Medicare patients in 2024, $36,184 paid; nearly all of their 364 Part D prescriptions were generic (95%). Regeneron Healthcare Solutions, Inc. was the largest of 2 companies reporting payments in 2025, $254.70 in all, mostly food and beverage.
Overview
| NPI | 1134197957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD, FACS |
| Sole proprietor | No |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | Jul 9, 2025 |
| Certified by provider | Jul 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 036-067590 | IL |
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 - Otolaryngology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 434 across 49 procedure codes |
| Paid by Medicare | $36,184 |
Part D prescriptions in 2024
| Prescriptions (claims) | 364 · 527 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $39,824 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Otolaryngology |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Trinity HospitalChicago, IL
Industry payments (Open Payments)
- 2025$254.70 · 8 payments from 2 companies
- 2024$140.91 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $141.36 | 4 |
| Glaxosmithkline, LLC. | $113.34 | 4 |
What the 2025 payments were for
- Food and Beverage$254.70 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 178 otolaryngologists in Chicago · All otolaryngologists in Illinois