Individual provider Active NPI

Yvonne Y Lai, M.D.

  • Anesthesiology Physician
  • Boston, MA
National Provider Identifier
1841427382
Registry record updated Jun 11, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
L-240288 Issued in MA
Practice address
Massachusetts General Hospital
55 Fruit Street
Boston, MA 02114
Phone
(917) 726-3030
NPI assigned
Jun 11, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2009

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X L-240288 MA Primary

Addresses

Primary practice location

Massachusetts General Hospital
55 Fruit Street
Boston, MA 02114

Mailing address

Massachusetts General Hospital
55 Fruit Street
Boston, MA 02114
Phone (917) 726-3030

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
I20150709002451 MA Practitioner - Anesthesiology 4688833122 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Pittsburgh School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
L-240288MAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
Brigham & Women'S Physicians Organization Inc CurrentSince Oct 1, 2025 Accepting new patients
The General Hospital Corporation CurrentSince Aug 3, 2015 Accepting new patients
Brigham & Womens Physicians Organization Inc Anesthesiology CurrentSince Oct 1, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Aug 3, 2015 Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

20 Prospect St
Milford, MA 01757
Phone (508) 478-2061

Interoperability endpoints

  • Direct secure messaging: lai.yvonne.mgh@direct.partners.masshiway.net

Organizations & group practices 5

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": "1244678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1244678400000",
    "number": "1841427382",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "MASSACHUSETTS GENERAL HOSPITAL",
            "address_2": "55 FRUIT STREET",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "917-726-3030"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "MASSACHUSETTS GENERAL HOSPITAL",
            "address_2": "55 FRUIT STREET",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "917-726-3030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAI",
        "first_name": "YVONNE",
        "middle_name": "Y",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-11",
        "last_updated": "2009-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "L-240288",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.