Quick answers
- Which hospitals does Bart K. Chwalisz work at?
- Medicare's official clinician data lists Bart K. Chwalisz at 5 hospitals: Brigham and Women's Hospital, Martha's Vineyard Hospital Inc, Massachusetts Eye and Ear Infirmary -, Massachusetts General Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Bart K. Chwalisz see patients?
- Medicare's clinician data lists 4 practice locations, including Oak Bluffs, MA and Boston, MA. Call before your visit to confirm the address.
- What is Bart K. Chwalisz's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Bart K. Chwalisz accept Medicare assignment?
- Yes. Medicare's clinician data says Bart K. Chwalisz 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 Bart K. Chwalisz offer telehealth?
- Medicare's clinician data says Bart K. Chwalisz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Bart K. Chwalisz?
- (617) 523-7900, as listed in official Medicare / NPI Registry data.
- What is Bart K. Chwalisz's NPI number?
- 1629365234. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Bart K. Chwalisz works
Medicare's Facility Affiliation Data lists Bart K. Chwalisz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospital · CCN 221300
- Massachusetts Eye and Ear Infirmary -Boston, MA · Acute Care Hospital · CCN 220075
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · CCN 220035
Practice locations
Addresses where Bart K. Chwalisz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hospital RdOak Bluffs, MA 02557
- 243 Charles StBoston, MA 02114 (617) 523‑7900
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
- 75 Francis StBoston, MA 02115 (617) 732‑5500
Group practices
Medicare enrollment lists Bart K. Chwalisz as a member of these groups (CMS data updated 2026-10-02).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Massachusetts Eye and Ear Associates, Inc433 clinicians in the group
- Martha's Vineyard Hospital Inc155 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Oak Bluffs
Clinicians with the same Medicare primary specialty in Oak Bluffs, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629365234 |
| 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