O'Neil J. Green, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

50493 Issued in CT

Practice address

40 Wright St
Palmer, MA 01069-1138

Phone

(413) 370-5400

Fax

(413) 284-5559

NPI assigned

Jun 23, 2008

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, MA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Pulmonary DiseaseAlso: Critical Care (Intensivists)

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Baystate Medical Practices IncGroup PAC ID 5991602971, 1,350 clinicians

The Charlotte Hungerford HospitalGroup PAC ID 4486557501, 206 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baystate Wing Hospital Hospital, Palmer, MA, CCN 220030
• Charlotte Hungerford Hospital Hospital, Torrington, CT, CCN 070011
• Baystate Medical Center Hospital, Springfield, MA, CCN 220077
• Baystate Noble Hospital Hospital, Westfield, MA, CCN 220065

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909
  Medicare reassignment Care Compare group NPD
• The Charlotte Hungerford Hospital

  • General Acute Care Hospital
  • Torrington, CT
  • NPI 1629075734
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Baystate Medical Center Inc

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1487655064
  Care Compare affiliation
• Baystate Medical Center Inc

  • Clinical Medical Laboratory
  • Springfield, MA
  • NPI 1568488450

  Hospital

  Care Compare affiliation
• Baystate Noble Hospital Corporation

  • General Acute Care Hospital
  • Westfield, MA
  • NPI 1700816048
  Care Compare affiliation
• Baystate Wing Hospital Corporation

  • General Acute Care Hospital
  • Palmer, MA
  • NPI 1962410233
  Care Compare affiliation
• The Charlotte Hungerford Hospital

  • General Acute Care Hospital
  • Torrington, CT
  • NPI 1629075734
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1214179200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1902067911",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1290 SILAS DEANE HWY",
            "city": "WETHERSFIELD",
            "state": "CT",
            "postal_code": "061094337"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "40 WRIGHT ST",
            "city": "PALMER",
            "state": "MA",
            "postal_code": "010691138",
            "telephone_number": "413-370-5400",
            "fax_number": "413-284-5559"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "780 Litchfield St Ste 3",
            "address_purpose": "LOCATION",
            "city": "Torrington",
            "state": "CT",
            "postal_code": "067906268",
            "country_code": "US",
            "telephone_number": "860-496-9669",
            "fax_number": "860-496-1524",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREEN",
        "first_name": "O'NEIL",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-23",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "272947",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CT",
            "license": "50493",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MA",
            "license": "272947",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CT",
            "license": "207RC0200X",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Snehal Ghugardare
• Richard Michael Gondek, DMD
• Jennifer June Goulas, NP
• Donna M Goven, N.P.
• Nancy Granger, CNS
• Mary Charlotte Guertin, DNP, APRN, FNP-BC
• James Guilbault Jr., PHARM.D.
• Rebecca Mary Gurney, NP
• Frederick W Harwick, DO
• Healing Hands Nursing Services, PLLC

• Pulmonary Disease Physician in Palmer, MA
• Providers in Palmer, MA by specialty
• Pulmonary Disease Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.