Quick answers
- Which hospitals does Hideo Koike work at?
- Medicare's official clinician data lists Hideo Koike at 3 hospitals: Montefiore Mount Vernon Hospital, Montefiore New Rochelle Hospital and St John's Riverside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hideo Koike see patients?
- Medicare's clinician data lists 2 practice locations, including Mount Vernon, NY and New Rochelle, NY. Call before your visit to confirm the address.
- What is Hideo Koike's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Hideo Koike accept Medicare assignment?
- Medicare's clinician data says Hideo Koike may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Hideo Koike?
- (914) 378-6148, as listed in official Medicare / NPI Registry data.
- What is Hideo Koike's NPI number?
- 1457388951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hideo Koike works
Medicare's Facility Affiliation Data lists Hideo Koike at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Montefiore Mount Vernon HospitalMount Vernon, NY · Acute Care Hospital · CCN 330086
- Montefiore New Rochelle HospitalNew Rochelle, NY · Acute Care Hospital · CCN 330184
- St John's Riverside HospitalYonkers, NY · Acute Care Hospital · CCN 330208
Practice locations
Addresses where Hideo Koike is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 N 7th AveMount Vernon, NY 10550 (914) 378‑6148
- 16 Guion PlNew Rochelle, NY 10801 (914) 378‑6148
Group practices
Medicare enrollment lists Hideo Koike as a member of this group (CMS data updated 2026-10-02).
- Montefiore Medical Center2,820 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1457388951 |
| 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