Quick answers
- Which hospitals does Jun Koike work at?
- Medicare's official clinician data lists Jun Koike at 2 hospitals: Berkeley Medical Center and Fort Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jun Koike see patients?
- Medicare's clinician data lists 4 practice locations, including Martinsburg, WV and Fort Atkinson, WI. Call before your visit to confirm the address.
- What is Jun Koike's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Jun Koike accept Medicare assignment?
- Yes. Medicare's clinician data says Jun Koike 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 Jun Koike?
- (304) 260-1443, as listed in official Medicare / NPI Registry data.
- What is Jun Koike's NPI number?
- 1518166065. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jun Koike works
Medicare's Facility Affiliation Data lists Jun Koike at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Berkeley Medical CenterMartinsburg, WV · Acute Care Hospital · CCN 510008
- Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · CCN 520071
Practice locations
Addresses where Jun Koike is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Hospital DrMartinsburg, WV 25401 (304) 260‑1443
- 611 E Sherman AveFort Atkinson, WI 53538 (920) 568‑5000
- 611 Sherman Ave EFort Atkinson, WI 53538
- 611 Sherman Ave E, Fl 1Fort Atkinson, WI 53538
Group practices
Medicare enrollment lists Jun Koike as a member of these groups (CMS data updated 2026-10-02).
- City Hospital Inc161 clinicians in the group
- Fort Healthcare Inc155 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Martinsburg
Clinicians with the same Medicare primary specialty in Martinsburg, WV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518166065 |
| 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