Jeffrey George Geohas, M.D.
NPI 1609846351ActiveIndividual· Internal Medicine· Evanston, IL
Internal Medicine (M.D.) in Evanston, Illinois, trained at Northwestern University Feinberg Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $344,021 for 3,173 claims, against $102,084 paid for services in 2024. Pfizer Inc. was the largest of 15 companies reporting payments in 2025, $1,657 in all, mostly food and beverage.
Overview
| NPI | 1609846351 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Oct 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036093330 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 259 |
|---|---|
| Services billed | 1,236 across 26 procedure codes |
| Paid by Medicare | $102,084 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,173 · 7,226 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $344,021 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Saint Francis Hospital-EvanstonEvanston, IL
Other facilities
- Residential Home HealthHome health agency · Northbrook, IL
Industry payments (Open Payments)
- 2025$1,657 · 62 payments from 15 companies
- 2024$1,720 · 65 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $321.67 | 13 |
| Astrazeneca Pharmaceuticals LP | $298.92 | 7 |
| Novo Nordisk Inc | $229.54 | 10 |
| Lilly USA, LLC | $183.43 | 7 |
| Amgen Inc. | $127.46 | 7 |
What the 2025 payments were for
- Food and Beverage$1,657 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 204 internal medicine physicians in Evanston · All internal medicine physicians in Illinois