Nicole Marie Geissen, D.O.
NPI 1841422482ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Chicago, IL
Thoracic Surgery (Cardiothoracic Vascular Surgery) (D.O.) in Chicago, Illinois, trained at Philadelphia College of Osteopathic Medicine (class of 2008). Mostly services rather than prescriptions: Medicare paid $30,949 for 73 patients in 2024, with only 15 Part D claims. Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $3,558 in all, mostly education.
Overview
| NPI | 1841422482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 16, 2009 |
| Last updated in NPPES | May 3, 2024 |
| Certified by provider | May 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 036132599 | IL |
| Surgery | 208600000X | 036132599 | IL |
| Surgery, Surgical Oncology | 2086X0206X | 036132599 | 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 - Thoracic Surgery (IL); Practitioner - Thoracic Surgery (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 140 across 39 procedure codes |
| Paid by Medicare | $30,949 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 21 30-day fills |
|---|---|
| Total drug cost | $56.95 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Thoracic Surgery |
Medical groups
- Rush University Medical GroupChicago, IL · 1,551 clinicians
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliations
- Copley Memorial HospitalAurora, IL
- Franciscan Health DyerDyer, IN
- John H Stroger Jr HospitalChicago, IL
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$3,558 · 18 payments from 3 companies
- 2024$7,306 · 27 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,140 | 16 |
| Astrazeneca Pharmaceuticals LP | $268.50 | 1 |
| On Target Laboratories, Inc | $149.90 | 1 |
What the 2025 payments were for
- Education$2,000 · 1 payment
- Food and Beverage$898.07 · 13 payments
- Travel and Lodging$391.38 · 3 payments
- Consulting Fee$268.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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