Daniel R. Ganger, MD
NPI 1407821689ActiveIndividual· Internal Medicine, Hepatology· Chicago, IL
Internal Medicine, Hepatology (MD) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $791,799 for 1,892 claims, against $21,257 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $131.25 in payments in 2025, mostly food and beverage. Lists Northwestern Lake Forest Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1407821689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Jun 21, 2021 |
| Certified by provider | Jun 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hepatology Primary | 207RI0008X | 036069151 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 036069151 | 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 | 199 |
|---|---|
| Services billed | 296 across 23 procedure codes |
| Paid by Medicare | $21,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,892 · 3,501 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $791,799 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
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$131.25 · 1 payment from 1 company
- 2024$38.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $131.25 | 1 |
What the 2025 payments were for
- Food and Beverage$131.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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