Quick answers
- Which hospitals does Gregory E. Koval work at?
- Medicare's official clinician data lists Gregory E. Koval at 5 hospitals: CHI Health Bergan Mercy, CHI Health Lakeside, CHI Health Mercy Council Bluffs, CHI Health Midlands and CHI Health Missouri Valley. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory E. Koval see patients?
- Medicare's clinician data lists 1 practice location in Omaha, NE. Call before your visit to confirm the address.
- What is Gregory E. Koval's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Gregory E. Koval accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory E. Koval accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory E. Koval?
- (402) 717-0820, as listed in official Medicare / NPI Registry data.
- What is Gregory E. Koval's NPI number?
- 1205356367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory E. Koval works
Medicare's Facility Affiliation Data lists Gregory E. Koval at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI Health Bergan MercyOmaha, NE · Acute Care Hospital · CCN 280060
- CHI Health LakesideOmaha, NE · Acute Care Hospital · CCN 280130
- CHI Health Mercy Council BluffsCouncil Bluffs, IA · Acute Care Hospital · CCN 160028
- CHI Health MidlandsPapillion, NE · Acute Care Hospital · CCN 280105
- CHI Health Missouri ValleyMissouri Valley, IA · Critical Access Hospital · CCN 161309
Practice locations
Addresses where Gregory E. Koval is enrolled with Medicare (CMS data updated 2026-10-02).
- 7710 Mercy Rd, Suite 2000Omaha, NE 68124 (402) 717‑0820
Group practices
Medicare enrollment lists Gregory E. Koval as a member of this group (CMS data updated 2026-10-02).
- Alegent Creighton Clinic963 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Omaha
Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205356367 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians