Quick answers
- Which hospitals does William M. Perry work at?
- Medicare's official clinician data lists William M. Perry at 2 hospitals: Massachusetts General Hospital and Nantucket Cottage Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Perry see patients?
- Medicare's clinician data lists 3 practice locations, including Haverhill, MA, Dartmouth, MA and Nantucket, MA. Call before your visit to confirm the address.
- What is William M. Perry's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does William M. Perry accept Medicare assignment?
- Yes. Medicare's clinician data says William M. Perry 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 M. Perry?
- (978) 521-3235, as listed in official Medicare / NPI Registry data.
- What is William M. Perry's NPI number?
- 1306847520. 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 M. Perry works
Medicare's Facility Affiliation Data lists William M. Perry at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospital · CCN 220177
Practice locations
Addresses where William M. Perry is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Park WayHaverhill, MA 01830 (978) 521‑3235
- 300 C Faunce Corner RdDartmouth, MA 02747 (508) 679‑3131
- 57 Prospect StNantucket, MA 02554 (508) 825‑8100
Group practices
Medicare enrollment lists William M. Perry as a member of these groups (CMS data updated 2026-10-02).
- North American Partners in Anesthesia Massachusetts LLC35 clinicians in the group
- Nantucket Physicians Organization21 clinicians in the group
- Anesthetic Solutions PC6 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in Haverhill
Clinicians with the same Medicare primary specialty in Haverhill, MA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306847520 |
| 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