Stefan Boas, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

1026107 Issued in MA

Practice address

40 Wright St
Palmer, MA 01069-1138

Phone

(413) 284-5308

Fax

(413) 284-5413

NPI assigned

Mar 27, 2023

Last updated

Jun 25, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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 1

Specialty

Emergency Medicine

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baystate Wing Hospital Hospital, Palmer, MA, CCN 220030

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909
  Medicare reassignment Care Compare group

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

• Baystate Wing Hospital Corporation

  dba Baystate Wing Hospital & Medical Centers

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

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

{
    "created_epoch": "1679875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1114620358",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT ST FL 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-5700"
        },
        {
            "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": "413-284-5308",
            "fax_number": "413-284-5413"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOAS",
        "first_name": "STEFAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-27",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1026107",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gabriella Bilyeu, DO
• Bio-Medical Applications of Massachusetts, Inc. (Palmer Dialysis Center)
• Edward James Bird, LICSW
• Kelly Blaney
• Bloom Mental Health and Wellness LLC (Full Bloom Integrative Health)
• Jenna Brianne Booker, PA-C
• Glen Michael Bouchard, D.O.
• Kristen Rose Briody, NP
• Jessica Rose Burgess-Wise, LADC
• Taniesha L Burton

• Emergency Medicine Physician in Palmer, MA
• Providers in Palmer, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.