Jonathan M. Bisaillon, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

273355 Issued in MA

Practice address

236 Milford St
Upton, MA 01568-1309

Phone

(508) 473-1015

NPI assigned

Apr 3, 2015

Last updated

Jul 6, 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 3

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

Cardiovascular Disease (Cardiology)

Education

Albany Medical College of Union University, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mass General Brigham Community Physicians IncGroup PAC ID 1759273436, 430 clinicians

Mass General Brigham Medical Group Suburban Massachusetts IncGroup PAC ID 0244133494, 534 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Milford Regional Medical Center Hospital, Milford, MA, CCN 220090
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162
• Brigham and Women's Hospital Hospital, Boston, MA, CCN 220110

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bisaillon.jonathan.cp@direct.partners.masshiway.net

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.

• Mass General Brigham Community Physicians Inc

  • Cardiovascular Disease Physician
  • Medford, MA
  • NPI 1548638265
  Medicare reassignment Care Compare group NPD
• Mass General Brigham Medical Group Suburban Massachusetts Inc

  • Family Medicine Physician
  • Newton, MA
  • NPI 1538191218

  Cardiovascular Disease

  Medicare reassignment Care Compare group NPD
• Mass General Brigham Urgent Care LLC

  • Urgent Care Clinic/Center
  • Watertown, MA
  • NPI 1619341161
  NPD
• Mass General Brigham Community Physicians Inc.

  • Internal Medicine Physician
  • Concord, MA
  • NPI 1174545875
  NPD (past)

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

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Dana-Farber Cancer Institute, Inc.

  dba Dana-Farber Cancer Institute

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Care Compare affiliation
• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation
• Umass Memorial Health-Milford Regional Medical Center Inc

  • General Acute Care Hospital
  • Milford, MA
  • NPI 1477527497
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation

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

{
    "created_epoch": "1428019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1629463963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "236 MILFORD ST",
            "city": "UPTON",
            "state": "MA",
            "postal_code": "015681309",
            "telephone_number": "508-473-1015"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BISAILLON",
        "first_name": "JONATHAN",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-03",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "273355",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "273355",
            "primary": false
        },
        {
            "code": "207UN0901X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine, Nuclear Cardiology",
            "state": "MA",
            "license": "273355",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen Bruder Babuska, MSW
• Annika Bangma
• Leslie Barry, LMHC
• Martha Jackson Bergeron, LCSW
• Alisa Lynne Bernat, MA, LMHC
• Blackstone Valley Vocational Regional School District
• Scott L Brownstein, MD
• Melanie Beth Bruneau, LICSW
• Carehaus LLC
• Bahirati Chambers, RDN

• Cardiovascular Disease Physician in Upton, MA
• Providers in Upton, MA by specialty
• Cardiovascular Disease Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.