Quick answers
- Which hospitals does Alex Hsieh work at?
- Medicare's official clinician data lists Alex Hsieh at 5 hospitals: Anna Jaques Hospital, Bayhealth Hospital, Sussex Campus, Holy Family Hospital, Our Lady of Fatima Hospital and Roger Williams Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex Hsieh see patients?
- Medicare's clinician data lists 6 practice locations, including Haverhill, MA, North Providence, RI and Newburyport, MA. Call before your visit to confirm the address.
- What is Alex Hsieh's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Alex Hsieh accept Medicare assignment?
- Yes. Medicare's clinician data says Alex Hsieh 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 Alex Hsieh?
- (978) 374-2000, as listed in official Medicare / NPI Registry data.
- What is Alex Hsieh's NPI number?
- 1760046833. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex Hsieh works
Medicare's Facility Affiliation Data lists Alex Hsieh 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
- Bayhealth Hospital, Sussex CampusMilford, DE · Acute Care Hospital · CCN 080009
- Holy Family HospitalMethuen, MA · Acute Care Hospital · CCN 220080
- Our Lady of Fatima HospitalNorth Providence, RI · Acute Care Hospital · CCN 410005
- Roger Williams Medical CenterProvidence, RI · Acute Care Hospital · CCN 410004
Practice locations
Addresses where Alex Hsieh is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 140 Lincoln AveHaverhill, MA 01830 (978) 374‑2000
- 200 High Service AveNorth Providence, RI 02904 (401) 456‑3000
- 25 Highland AveNewburyport, MA 01950 (978) 463‑1000
- 640 S State St, Bayhealth Emergency Physicians KghDover, DE 19901 (302) 744‑6156
- 70 E StMethuen, MA 01844 (978) 687‑0151
Group practices
Medicare enrollment lists Alex Hsieh as a member of these groups (CMS data updated 2026-10-02).
- Community Medical Associates, Inc.157 clinicians in the group
- Bayhealth Emergency Physicians LLC87 clinicians in the group
- Newburyport Emergency Physicians, PLLC56 clinicians in the group
- Emergency Care Services of New England PC21 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Haverhill
Clinicians with the same Medicare primary specialty in Haverhill, MA — 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) | 1760046833 |
| 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