Mariana Osello

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

7436 Issued in CT

Practice address

75 Francis St
Boston, MA 02115-6110

Phone

(617) 983-7000

NPI assigned

Feb 24, 2022

Sex

Female

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, CT2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: osello.mariana.fh@direct.partners.masshiway.net
• Direct secure messaging: mosello252710@direct.bilh.masshiway.net

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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment
• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216
  Medicare reassignment
• Brigham and Women'S Faulkner Hospital, Inc

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1578677811
  NPD
• Brigham and Womens Physicians Organization Inc

  • Diagnostic Radiology Physician
  • Boston, MA
  • NPI 1265464598
  NPD (past)

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

{
    "created_epoch": "1645660800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1780330134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385502",
            "telephone_number": "617-492-3500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-983-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2800 Main St",
            "address_purpose": "LOCATION",
            "city": "Bridgeport",
            "state": "CT",
            "postal_code": "066064201",
            "country_code": "US",
            "telephone_number": "475-210-5436",
            "fax_number": "475-210-6512",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "330 Mount Auburn St",
            "address_purpose": "LOCATION",
            "city": "Cambridge",
            "state": "MA",
            "postal_code": "021385502",
            "country_code": "US",
            "telephone_number": "617-492-3500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSELLO",
        "first_name": "MARIANA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-02-24",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "7436",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dawn Osborne, M.D.
• Elizabeth Osborne, PA
• Michael Thomas Osborne, MD
• Nicholas Tyler Osborne
• Priscilla Osborne, PT
• Tawakalitu O Oseni, M.D.
• Zainab T Oseni
• Matthew Gilbert Oser, M.D./PH.D.
• Andrew Seymour Oseran, MD MBA MSC
• Stephanie Ann Osganian, RN

• Physician Assistant in Boston, MA
• Providers in Boston, MA by specialty
• Physician Assistant in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.