Individual provider Active NPI

Cyril Sahyoun, M.D.

  • Pediatric Emergency Medicine (Emergency Medicine) Physician
  • Boston, MA
National Provider Identifier
1104065531
Registry record updated Feb 4, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X
License
238833 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6624
NPI assigned
Feb 9, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 4, 2011

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 238833 MA
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X 238833 MA Primary

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

229 Newbury St
Apt 3
Boston, MA 02116-2524
Phone (617) 355-6624

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Children'S Hospital Pediatric Associates, Inc Pediatrics PastSince Oct 22, 2023 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1234137600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1296777600000",
    "number": "1104065531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "229 NEWBURY ST",
            "address_2": "APT 3",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021162524",
            "telephone_number": "617-355-6624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6624"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAHYOUN",
        "first_name": "CYRIL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-02-09",
        "last_updated": "2011-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "238833",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "MA",
            "license": "238833",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2011; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.