Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. O'Neil J. Green, MD

Individual provider Pulmonary Disease Physician · NPI 1902067911

Dr. O'Neil J. Green, MD is a Pulmonary Disease in Palmer, Massachusetts. Qualified in 2001, 25 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and Massachusetts.

Years since qualifying
25
Licensed in
CT, MA
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

40 Wright St
Palmer, MA 01069-1138
Phone: (413) 370-5400
Fax: (413) 284-5559
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 780 Litchfield St Ste 3, Torrington, CT 06790-6268 — (860) 496-9669

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 50493 (CT)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 272947 (MA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 272947 (MA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 207RC0200X (CT)

Record details

NPI number1902067911
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2008
Last updated in NPPESJanuary 8, 2026
Certification dateJanuary 8, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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