Quick answers
- Which hospitals does William P. Gianakopoulos work at?
- Medicare's official clinician data lists William P. Gianakopoulos at 5 hospitals: Genesis Hospital, Grant Medical Center, Hocking Valley Community Hospital, Licking Memorial Hospital and Mount Carmel East & West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William P. Gianakopoulos see patients?
- Medicare's clinician data lists 4 practice locations, including Pickerington, OH, Hilliard, OH and Gahanna, OH. Call before your visit to confirm the address.
- What is William P. Gianakopoulos's specialty?
- Medicare lists Urology as the primary specialty.
- Does William P. Gianakopoulos accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Gianakopoulos 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 William P. Gianakopoulos?
- (614) 396-2684, as listed in official Medicare / NPI Registry data.
- What is William P. Gianakopoulos's NPI number?
- 1841239142. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William P. Gianakopoulos works
Medicare's Facility Affiliation Data lists William P. Gianakopoulos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Genesis HospitalZanesville, OH · Acute Care Hospital · CCN 360039
- Grant Medical CenterColumbus, OH · Acute Care Hospital · CCN 360017
- Hocking Valley Community HospitalLogan, OH · Critical Access Hospital · CCN 361330
- Licking Memorial HospitalNewark, OH · Acute Care Hospital · CCN 360218
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
Practice locations
Addresses where William P. Gianakopoulos is enrolled with Medicare (CMS data updated 2026-10-02).
- 1509 Stonecreek Dr SPickerington, OH 43147 (614) 396‑2684
- 4674 Britton Pkwy, Suite 1300Hilliard, OH 43026 (614) 396‑2684
- 701 Tech Ctr DrGahanna, OH 43230 (614) 396‑2684
- 8200 Hazelton-Etna Rd, Suite 200Pastaskala, OH 43062 (800) 720‑0505
Group practices
Medicare enrollment lists William P. Gianakopoulos as a member of this group (CMS data updated 2026-10-02).
- Central Ohio Urology Group, LLC.48 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Pickerington
Clinicians with the same Medicare primary specialty in Pickerington, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wright State University Boonshoft School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841239142 |
| 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