Quick answers
- Which hospitals does Aria Williams work at?
- Medicare's official clinician data lists Aria Williams at 4 hospitals: Cape Cod Hospital, CHI St Alexius Health, Garnet Health Medical Center and Garnet Health Medical Center Catskills. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aria Williams see patients?
- Medicare's clinician data lists 5 practice locations, including Hyannis, MA, Harris, NY and Middletown, NY. Call before your visit to confirm the address.
- What is Aria Williams's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Aria Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Aria Williams 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.
- Does Aria Williams offer telehealth?
- Medicare's clinician data says Aria Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Aria Williams?
- (774) 552-6000, as listed in official Medicare / NPI Registry data.
- What is Aria Williams's NPI number?
- 1154566412. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aria Williams works
Medicare's Facility Affiliation Data lists Aria Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · CCN 350002
- Garnet Health Medical CenterMiddletown, NY · Acute Care Hospital · CCN 330126
- Garnet Health Medical Center CatskillsHarris, NY · Acute Care Hospital · CCN 330386
Practice locations
Addresses where Aria Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 27 Park StHyannis, MA 02601 (774) 552‑6000
- 34 Park StHyannis, MA 02601 (508) 862‑5650
- 68 Harris Bushville RdHarris, NY 12742 (845) 333‑8909
- 707 E Main StMiddletown, NY 10940 (845) 333‑7575
- 900 E Broadway AveBismarck, ND 58501 (701) 530‑7000
Group practices
Medicare enrollment lists Aria Williams as a member of these groups (CMS data updated 2026-10-02).
- Physicians of Cape Cod Hospital334 clinicians in the group
- St Alexius Medical Center238 clinicians in the group
- Garnet Health Doctors PC165 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154566412 |
| 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