Dr. Gregory E. Koval, MD
General Surgery (Surgery Physician)
- Medicare participating
At a glance
- Medical school
- Indiana University School of Medicine (2017)
- Years since graduation
- 9
- In the NPI registry since
- 2017
- Medicare patients seen, 2024
- 66
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2017Medical school: Indiana University School of Medicine
- 2017Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Surgery Physician primary
NE license 36434
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Chi Health Bergan Mercy Omaha, NE
- Chi Health Lakeside Omaha, NE
- Chi Health Mercy Council Bluffs Council Bluffs, IA
- Chi Health Midlands Papillion, NE
- Chi Health Missouri Valley Missouri Valley, IA
Medical groups
- Alegent Creighton Clinic (963 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 66
- Services billed
- 106
- Patients’ average age
- 81
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $15.76 in total to this clinician.
| Ferring Pharmaceuticals Inc. | $15.76 |
|---|
| Food and Beverage | $15.76 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.