Sara R. Greenhill, M.D.
NPI 1427016948ActiveIndividual· Internal Medicine, Pulmonary Disease· Elk Grove Village, IL
Internal Medicine, Pulmonary Disease (M.D.) in Elk Grove Village, Illinois, trained at University of Pittsburgh School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $319,696 for 520 claims, against $152,745 paid for services in 2024. Ge Healthcare was the largest of 2 companies reporting payments in 2025, $1,092 in all, mostly consulting fees.
Overview
| NPI | 1427016948 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Apr 5, 2021 |
| Certified by provider | Apr 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036120342 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 036120342 | 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 - Critical Care (Intensivists) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 1,353 across 52 procedure codes |
| Paid by Medicare | $152,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 520 · 775 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $319,696 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$1,092 · 11 payments from 2 companies
- 2024$2,361 · 25 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $943.00 | 3 |
| Intuitive Surgical, Inc. | $148.68 | 8 |
What the 2025 payments were for
- Consulting Fee$943.00 · 3 payments
- Food and Beverage$148.68 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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