Individual provider Active NPI

Gina Heyue Sun, MD

  • Anesthesiology Physician
  • Boston, MA
National Provider Identifier
1043770662
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
1023086 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(617) 726-3030
NPI assigned
Mar 20, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 1023086 MA
Anesthesiology Physician 207L00000X 1023086 MA Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

55 Fruit St
Boston, MA 02114-2696
Phone (617) 726-3030

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240105004172 CA Practitioner - Anesthesiology 2264761238 Reassigns benefits to 5 organizations
I20250717001589 MA Practitioner - Anesthesiology 2264761238 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

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

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Merit-based Incentive Payment System (MIPS)

Final score
98.98 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group Anesthesiology CurrentSince Sep 1, 2024 Accepting new patients
City & County of San Francisco Current Accepting new patients
University of California San Francisco CurrentSince Nov 30, 2023 Accepting new patients
University of California San Francisco CurrentSince Nov 30, 2023 Accepting new patients
The General Hospital Corporation CurrentSince Aug 4, 2025 Accepting new patients
City and County of San Francisco CurrentSince Aug 27, 2024 Accepting new patients
Massachusetts General Physicians Organization Inc Critical Care Medicine CurrentSince Aug 4, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Nov 23, 2023 Accepting new patients
UCSF Medical Group Business Services CurrentSince Nov 23, 2023 Accepting new patients
University of California SFGH Medical Group CurrentSince Sep 1, 2024 Accepting new patients
University Anesthesia Medical Group Anesthesiology CurrentSince Nov 30, 2023 Accepting new patients
City & County of San Francisco CurrentSince Aug 27, 2024 Accepting new patients

Locations

1001 Potrero Ave
Rm 3C34
San Francisco, CA 94110
Phone (628) 206-8934

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
#3C38
San Francisco, CA 94110
Phone (628) 206-8145

55 Fruit St
Boston, MA 02114

55 Fruit St
#444
Boston, MA 02114
Phone (617) 319-3940

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

Interoperability endpoints

  • Direct secure messaging: gsun300737@direct-ucsfmedicalcenter.org

Organizations & group practices 12

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": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1043770662",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-726-3030"
        },
        {
            "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": "SUN",
        "first_name": "GINA",
        "middle_name": "HEYUE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-20",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MA",
            "license": "1023086",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "1023086",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.