Quick answers
- Which hospitals does Gregory P. Cain work at?
- Medicare's official clinician data lists Gregory P. Cain at 3 hospitals: Brigham and Women's Hospital, MUSC Medical Center and New England Baptist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory P. Cain see patients?
- Medicare's clinician data lists 4 practice locations, including Boston, MA, Charleston, SC and Dedham, MA. Call before your visit to confirm the address.
- What is Gregory P. Cain's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Gregory P. Cain accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory P. Cain 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 Gregory P. Cain?
- (781) 453-7300, as listed in official Medicare / NPI Registry data.
- What is Gregory P. Cain's NPI number?
- 1013158716. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory P. Cain works
Medicare's Facility Affiliation Data lists Gregory P. Cain 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
- MUSC Medical CenterCharleston, SC · Acute Care Hospital · CCN 420004
- New England Baptist HospitalBoston, MA · Acute Care Hospital · CCN 220088
Practice locations
Addresses where Gregory P. Cain is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 Parker Hill AveBoston, MA 02120 (781) 453‑7300
- 171 Ashley AveCharleston, SC 29425 (843) 792‑1414
- 40 Allied DrDedham, MA 02026 (781) 453‑7300
- 75 Francis StBoston, MA 02115 (617) 732‑5500
Group practices
Medicare enrollment lists Gregory P. Cain as a member of these groups (CMS data updated 2026-10-02).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Associated Physicians of Harvard Medical Faculty Physicians at Beth Is565 clinicians in the group
- Medical University Hospital Authority220 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013158716 |
| 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