Individual provider Active NPI

Ryan J Williams, M.D.

  • Pediatric Cardiology Physician
  • Boston, MA
National Provider Identifier
1043621600
Registry record updated Feb 6, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
270773 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6000
NPI assigned
May 16, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X 270773 MA Primary

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20230214000596 MA Practitioner - Cardiovascular Disease (Cardiology) 3476954348 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Boston Childrens Heart Foundation Inc 102 clinicians

Practice addresses (Care Compare)

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

Hospital & facility affiliations

  • Boston Children'S Hospital Hospital, Boston, MA, CCN 223302

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Boston Childrens Heart Foundation Inc Pediatrics CurrentSince Feb 1, 2023 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients

Locations

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

Interoperability endpoints

  • Direct secure messaging: williams.ryan.bwh@direct.partners.masshiway.net
  • Direct secure messaging: rwilliams20117@direct.uclahealth.org
  • Direct secure messaging: rwilliams27856@direct.bostonchildrens.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1400198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1675641600000",
    "number": "1043621600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        },
        {
            "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": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "RYAN",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-16",
        "last_updated": "2023-02-06",
        "certification_date": "2023-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MA",
            "license": "270773",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.