Nadine Youssef, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

235098 Issued in MA

Practice address

750 Washington St
Box 311 / Department of Emergency Medicine
Boston, MA 02111-1526

Phone

(617) 636-4723

NPI assigned

Jun 10, 2008

Sex

Female

Sole proprietor

Yes

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

Merit-based Incentive Payment System (MIPS)

Final score

92.4 of 100Reported as group

Quality

82.53

Improvement activities

40

Cost

73.37

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nyoussef29612@tuftsmedicine.direct-ci.com

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.

• Emergency Physician Associates of Massachusetts PC

  • Emergency Medicine Physician
  • Worcester, MA
  • NPI 1730885252
  Medicare reassignment NPD
• Tufts Medical Center Ep LLC

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1609015262
  Medicare reassignment NPD
• Nemc Emergency Associates PC

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1346261062
  NPD (past)

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

{
    "created_epoch": "1213056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1013177427",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "245 WILLIAMSON DR",
            "city": "SOMERSET",
            "state": "MA",
            "postal_code": "027263225",
            "telephone_number": "508-673-0855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 WASHINGTON ST",
            "address_2": "BOX 311 / DEPARTMENT OF EMERGENCY MEDICINE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111526",
            "telephone_number": "617-636-4723"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "123 Summer St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016081216",
            "country_code": "US",
            "telephone_number": "508-363-5000",
            "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": "YOUSSEF",
        "first_name": "NADINE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-06-10",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "235098",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ahmed Yousef, MD
• Nicole Yousefnia
• Nora Yousefzadeh-Grunin, M.D.
• Alicia Marina Youssef, MD
• Gilbert Youssef, MD
• Nyera Youssef, CRNA
• Eveline Youte
• Sorvena Sophie Yoyo
• Aaron Yu
• Alexander T. Yu, MD

• 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.