Quick answers
- Which hospitals does Warren Hayashi work at?
- Medicare's official clinician data lists Warren Hayashi at 3 hospitals: Albany Medical Center Hospital, Columbia Memorial Hospital and Glens Falls Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Warren Hayashi see patients?
- Medicare's clinician data lists 2 practice locations, including Albany, NY and Malta, NY. Call before your visit to confirm the address.
- What is Warren Hayashi's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Warren Hayashi accept Medicare assignment?
- Yes. Medicare's clinician data says Warren Hayashi 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 Warren Hayashi?
- (518) 262-5633, as listed in official Medicare / NPI Registry data.
- What is Warren Hayashi's NPI number?
- 1346709177. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Warren Hayashi works
Medicare's Facility Affiliation Data lists Warren Hayashi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Albany Medical Center HospitalAlbany, NY · Acute Care Hospital · CCN 330013
- Columbia Memorial HospitalHudson, NY · Acute Care Hospital · CCN 330094
- Glens Falls HospitalGlens Falls, NY · Acute Care Hospital · CCN 330191
Practice locations
Addresses where Warren Hayashi is enrolled with Medicare (CMS data updated 2026-10-02).
- 47 New Scotland AveAlbany, NY 12208 (518) 262‑5633
- 6 Medical Park DrMalta, NY 12020 (518) 289‑2020
Group practices
Medicare enrollment lists Warren Hayashi as a member of these groups (CMS data updated 2026-10-02).
- Albany Medical College1,056 clinicians in the group
- Healthcare Partners of Saratoga Ltd71 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Albany
Clinicians with the same Medicare primary specialty in Albany, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346709177 |
| 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