Quick answers
- Which hospitals does O'Neil J. Green work at?
- Medicare's official clinician data lists O'Neil J. Green at 4 hospitals: Baystate Medical Center, Baystate Noble Hospital, Baystate Wing Hospital and Charlotte Hungerford Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does O'Neil J. Green see patients?
- Medicare's clinician data lists 2 practice locations, including Palmer, MA and Torrington, CT. Call before your visit to confirm the address.
- What is O'Neil J. Green's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
- Does O'Neil J. Green accept Medicare assignment?
- Yes. Medicare's clinician data says O'Neil J. Green 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 O'Neil J. Green offer telehealth?
- Medicare's clinician data says O'Neil J. Green offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for O'Neil J. Green?
- (413) 284-5400, as listed in official Medicare / NPI Registry data.
- What is O'Neil J. Green's NPI number?
- 1902067911. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where O'Neil J. Green works
Medicare's Facility Affiliation Data lists O'Neil J. Green at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220077
- Baystate Noble HospitalWestfield, MA · Acute Care Hospital · CCN 220065
- Baystate Wing HospitalPalmer, MA · Acute Care Hospital · CCN 220030
- Charlotte Hungerford HospitalTorrington, CT · Acute Care Hospital · CCN 070011
Practice locations
Addresses where O'Neil J. Green is enrolled with Medicare (CMS data updated 2026-10-02).
- 40 Wright StPalmer, MA 01069 (413) 284‑5400
- 780 Litchfield StTorrington, CT 06790 (860) 626‑8232
Group practices
Medicare enrollment lists O'Neil J. Green as a member of these groups (CMS data updated 2026-10-02).
- Baystate Medical Practices Inc1,369 clinicians in the group
- The Charlotte Hungerford Hospital200 clinicians in the group
Specialties
Other pulmonologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902067911 |
| 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