Quick answers
- Which hospitals does Greg E. Gin work at?
- Medicare's official clinician data lists Greg E. Gin at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greg E. Gin see patients?
- Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
- What is Greg E. Gin's specialty?
- Medicare lists Urology as the primary specialty.
- Does Greg E. Gin accept Medicare assignment?
- Yes. Medicare's clinician data says Greg E. Gin 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.
- Does Greg E. Gin offer telehealth?
- Medicare's clinician data says Greg E. Gin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Greg E. Gin?
- (714) 456-6054, as listed in official Medicare / NPI Registry data.
- What is Greg E. Gin's NPI number?
- 1699091850. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greg E. Gin works
Medicare's Facility Affiliation Data lists Greg E. Gin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Greg E. Gin is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑6054
Group practices
Medicare enrollment lists Greg E. Gin as a member of this group (CMS data updated 2026-10-02).
- UCI Department of Urology52 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699091850 |
| 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