Quick answers
- Which hospitals does Gregory A. Worrell work at?
- Medicare's official clinician data lists Gregory A. Worrell at 2 hospitals: Mayo Clinic Health System - Mankato and Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory A. Worrell see patients?
- Medicare's clinician data lists 3 practice locations, including Mankato, MN and Rochester, MN. Call before your visit to confirm the address.
- What is Gregory A. Worrell's specialty?
- Medicare lists Epileptologists as the primary specialty, and also Neurology.
- Does Gregory A. Worrell accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Worrell 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 A. Worrell?
- (507) 625-4031, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Worrell's NPI number?
- 1396725297. 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 A. Worrell works
Medicare's Facility Affiliation Data lists Gregory A. Worrell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · CCN 240093
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · CCN 240010
Practice locations
Addresses where Gregory A. Worrell is enrolled with Medicare (CMS data updated 2026-10-02).
- 1025 Marsh StMankato, MN 56001 (507) 625‑4031
- 1216 2nd St SWRochester, MN 55902 (507) 255‑5123
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
Group practices
Medicare enrollment lists Gregory A. Worrell as a member of these groups (CMS data updated 2026-10-02).
- Mayo Clinic4,956 clinicians in the group
- Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
- Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group
Specialties
- Epileptologistsprimary
- Neurologyalso
Other epileptologists in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396725297 |
| 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