Quick answers
- Which hospitals does Matthew Casey work at?
- Medicare's official clinician data lists Matthew Casey at 1 hospital: Anna Jaques Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Casey see patients?
- Medicare's clinician data lists 2 practice locations, including Newburyport, MA. Call before your visit to confirm the address.
- What is Matthew Casey's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Matthew Casey accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Casey 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 Matthew Casey?
- (978) 255-4217, as listed in official Medicare / NPI Registry data.
- What is Matthew Casey's NPI number?
- 1780780916. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Casey works
Medicare's Facility Affiliation Data lists Matthew Casey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · CCN 220029
Practice locations
Addresses where Matthew Casey is enrolled with Medicare (CMS data updated 2026-10-02).
- 21 Highland AveNewburyport, MA 01950 (978) 255‑4217
- 25 Highland AveNewburyport, MA 01950 (978) 834‑8074
Group practices
Medicare enrollment lists Matthew Casey as a member of this group (CMS data updated 2026-10-02).
- Seacoast Affiliated Group Practice Inc50 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Newburyport
Clinicians with the same Medicare primary specialty in Newburyport, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780780916 |
| 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