Individual provider Active NPI

Isabelle Tzu Yi Yang, MD

  • Anesthesiology Physician
  • Boston, MA
National Provider Identifier
1801546940
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
1025888 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(617) 726-3030
NPI assigned
Mar 23, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

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 1025888 MA Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

55 Fruit St # 444
Boston, MA 02114-2621
Phone (617) 726-8900

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
I20260416002174 MA Practitioner - Anesthesiology 1254807373 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2022
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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1025888MAMDAnesthesiology Physician

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.

NPI Registry JSON

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

{
    "created_epoch": "1647993600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1801546940",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST # 444",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-8900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-726-3030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YANG",
        "first_name": "ISABELLE",
        "middle_name": "TZU YI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-23",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "1025888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.