Chinonso Best Agubosim, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

1013660 Issued in MA

Practice address

1 Boston Medical Ctr PL FL Place1
Boston, MA 02118-2908

Phone

(617) 414-5405

NPI assigned

May 23, 2019

Last updated

Aug 5, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, CT, IA, NH, VT5 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 5

Specialty

Emergency Medicine

Education

University of Toledo College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Services of NH, LLCGroup PAC ID 3173988474, 66 clinicians

Cambridge Public Health CommissionGroup PAC ID 8921910894, 654 clinicians

New Hampshire Emergency Physician Associates PCGroup PAC ID 2668735580, 25 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Parkland Medical Center Hospital, Derry, NH, CCN 300017
• Cambridge Health Alliance Hospital, Cambridge, MA, CCN 220011
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cagubosim123043@direct.challiance.masshiway.net
• Direct secure messaging: cagubosim68969@direct.southcoast.org
• Direct secure messaging: chinonso.agubosim@xdr.hhchealthdirect.org

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.

• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1932313228
  Medicare reassignment Care Compare group NPD
• Emergency Medicine Services of NH, LLC

  • Emergency Medicine Physician
  • Derry, NH
  • NPI 1386341444
  Medicare reassignment Care Compare group NPD
• New Hampshire Emergency Physician Associates PC

  • Emergency Medicine Physician
  • Wolfeboro, NH
  • NPI 1629578000
  Medicare reassignment Care Compare group NPD
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  dba APHMFP-Emergency Medicine

  • Emergency Medical Services (Emergency Medicine) Physician
  • Boston, MA
  • NPI 1952358533
  Medicare reassignment NPD
• Beth Israel Deaconess Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1548202641
  Medicare reassignment NPD
• Bid-Milton Physician Associates Inc

  dba Beth Israel Lahey Health Urgent Care

  • Urgent Care Clinic/Center
  • Quincy, MA
  • NPI 1164060778
  Medicare reassignment NPD
• Emergency Physician Associates of Massachusetts PC

  • Emergency Medicine Physician
  • Worcester, MA
  • NPI 1730885252
  Medicare reassignment NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  dba Emergency Medicine - HMFP at BIDMC

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1316987993
  Medicare reassignment NPD
• Steward Emergency Physicians, Inc

  • Emergency Medicine Physician
  • Ayer, MA
  • NPI 1780971275
  Medicare reassignment NPD
• Jefferson County Hospital

  dba Jefferson County Health Center

  • Critical Access Hospital
  • Fairfield, IA
  • NPI 1376648329
  Medicare reassignment NPD
• Jefferson County Hospital

  dba JCHC Richland Clinic

  • Rural Health Clinic/Center
  • Richland, IA
  • NPI 1881294536
  Medicare reassignment NPD
• Springfield Hospital

  • Critical Access Hospital Clinic/Center
  • Springfield, VT
  • NPI 1033225875

  Emergency Medicine

  Medicare reassignment NPD

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

• Cambridge Public Health Commission

  • Clinic/Center
  • Cambridge, MA
  • NPI 1306908405

  Hospital

  Care Compare affiliation
• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1487603585
  Care Compare affiliation
• HCA Health Services of New Hampshire Inc

  dba Parkland Medical Center

  • General Acute Care Hospital
  • Derry, NH
  • NPI 1174570683
  Care Compare affiliation
• HCA Health Services of New Hampshire Inc

  dba Portsmouth Regional Hospital

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607
  Care Compare affiliation

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

{
    "created_epoch": "1558569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1154988392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE STE 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BOSTON MEDICAL CTR PL FL PLACE1",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182908",
            "telephone_number": "617-414-5405"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "452 Old Street Rd",
            "address_purpose": "LOCATION",
            "city": "Peterborough",
            "state": "NH",
            "postal_code": "034581263",
            "country_code": "US",
            "telephone_number": "603-924-7191",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "840 Harrison Ave Fl 1",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182905",
            "country_code": "US",
            "telephone_number": "617-414-4991",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Lincoln St",
            "address_purpose": "LOCATION",
            "city": "Framingham",
            "state": "MA",
            "postal_code": "017026358",
            "country_code": "US",
            "telephone_number": "508-383-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AGUBOSIM",
        "first_name": "CHINONSO",
        "middle_name": "BEST",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-05-23",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1013660",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NH",
            "license": "25532",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anmir Agresar-Donate, MD
• Kimberly Hayes Agresta, CPNP
• Ethan Small Agritelley
• Israel David Agront, DPT
• Aurany Aguasvivas
• Christina Agudelo
• Julia Sroda Agudogo, MD
• Ashley Aguiar
• Ana E Aguilar-Bonilla, M.D.
• Amelie Aguilar

• Emergency Medicine Physician in Boston, MA
• Providers in Boston, 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 Aug 5, 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.