Quick answers
- Which hospitals does Gregory J. McCarthy work at?
- Medicare's official clinician data lists Gregory J. McCarthy at 2 hospitals: St Lukes Regional Medical Center and Twelve Clans Unity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory J. McCarthy see patients?
- Medicare's clinician data lists 6 practice locations, including Winnebago, NE, Winnebabo, NE and Sioux City, IA. Call before your visit to confirm the address.
- What is Gregory J. McCarthy's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does Gregory J. McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. McCarthy 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 J. McCarthy?
- (402) 878-3554, as listed in official Medicare / NPI Registry data.
- What is Gregory J. McCarthy's NPI number?
- 1831186865. 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 J. McCarthy works
Medicare's Facility Affiliation Data lists Gregory J. McCarthy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Lukes Regional Medical CenterSioux City, IA · Acute Care Hospital · CCN 160146
- Twelve Clans Unity HospitalWinnebago, NE · Acute Care Hospital · CCN 280059
Practice locations
Addresses where Gregory J. McCarthy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 225 Bluff StWinnebago, NE 68071 (402) 878‑3554
- 225 S Bluff StWinnebabo, NE 68071
- 225 S Bluff StWinnebago, NE 68071
- 2916 Hamilton BlvdSioux City, IA 51104 (712) 255‑1621
- 2916 Hamilton Blvd, Suite 102Sioux City, IA 51104
Group practices
Medicare enrollment lists Gregory J. McCarthy as a member of these groups (CMS data updated 2026-10-02).
- Winnebago Tribe of Nebraska33 clinicians in the group
- Dr Greg J McCarthy PC3 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831186865 |
| 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