Quick answers
- Which hospitals does Aaron Hayes work at?
- Medicare's official clinician data lists Aaron Hayes at 3 hospitals: Albany Medical Center Hospital, Baystate Medical Center and Baystate Noble Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron Hayes see patients?
- Medicare's clinician data lists 6 practice locations, including Greenfield, MA, Springfield, MA and Palmer, MA. Call before your visit to confirm the address.
- What is Aaron Hayes's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Aaron Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron Hayes 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 Aaron Hayes?
- (518) 262-3277, as listed in official Medicare / NPI Registry data.
- What is Aaron Hayes's NPI number?
- 1356132427. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron Hayes works
Medicare's Facility Affiliation Data lists Aaron Hayes 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
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220077
- Baystate Noble HospitalWestfield, MA · Acute Care Hospital · CCN 220065
Practice locations
Addresses where Aaron Hayes is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 164 High StGreenfield, MA 01301
- 280 Chestnut St, Suite 2Springfield, MA 01199
- 40 Wright StPalmer, MA 01069
- 43 New Scotland AveAlbany, NY 12208 (518) 262‑3277
- 47 New Scotland AveAlbany, NY 12208 (518) 262‑5633
Group practices
Medicare enrollment lists Aaron Hayes as a member of these groups (CMS data updated 2026-10-02).
- Baystate Medical Practices Inc1,369 clinicians in the group
- Albany Medical College1,056 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in Greenfield
Clinicians with the same Medicare primary specialty in Greenfield, MA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356132427 |
| 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