Andrea S. Markham, PA-C
NPI 1558688531ActiveIndividual· Physician Assistant· Geneva, IL
Physician Assistant (PA-C) with Rush University Medical Group, practicing in Geneva, Illinois. 94 Medicare patients in 2024, $12,253 paid; nearly all of their 105 Part D prescriptions were generic (98%). Lists Rush University Medical Center as a hospital affiliation.
Overview
| NPI | 1558688531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 29, 2010 |
| Last updated in NPPES | Aug 8, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085-003398 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 116 across 12 procedure codes |
| Paid by Medicare | $12,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 105 · 106 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $1,193 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliation
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Geneva
- 1073505442
- 1093220592
- 1104014653
- 1144929167
- 1154656858
- 1245991108
- 1265442370
- 1316579006
- 1386832400
- 1396191540
- 1417928110
- 1457756272
All 32 physician assistants in Geneva · All physician assistants in Illinois