NPIMap

Individual provider Active NPI

Lily Hsin-Chun Sung, MD

  • Rheumatology Physician
  • Stanford, CA
National Provider Identifier
1144780370
Registry record updated Jul 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
A194353 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 22, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 4301506343 MI
Rheumatology Physician 207RR0500X A194353 CA Primary
Internal Medicine Physician 207R00000X A194353 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone (734) 936-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220602003083 MI Practitioner - Internal Medicine 9133453855 Reassigns benefits to 3 organizations
I20260609004077 CA Practitioner - Internal Medicine 9133453855 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
R Franklin University of Med & Sci/Chicago Medical School, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301515297MIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan CurrentSince Jul 12, 2022 Accepting new patients
Regents of the University of Michigan Internal Medicine Current Accepting new patients
Regents of the University of Michigan Internal Medicine CurrentSince Jul 12, 2022 Accepting new patients
Iha Health Services Corporation CurrentSince Jul 1, 2022 Accepting new patients
Chelsea Community Hospital CurrentSince Apr 1, 2022 Accepting new patients
Iha Health Services Corporation Current Accepting new patients
Chelsea Community Hospital CurrentSince Apr 1, 2022 Accepting new patients
Iha Health Service Corporation CurrentSince Jul 1, 2022 Accepting new patients

Locations

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

24 Frank Lloyd Wright Dr
Ann Arbor, MI 48105
Phone (734) 930-7400

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

128 Van Buren St
Chelsea, MI 48118
Phone (734) 475-8677

775 S Main St
Chelsea, MI 48118
Phone (313) 995-3764

44428 Woodward Ave
Ste 102
Pontiac, MI 48341
Phone (734) 712-8700

5301 E Huron River Dr
Fl 10
Ypsilanti, MI 48197
Phone (734) 712-8676

Interoperability endpoints

  • Direct secure messaging: lsung1898804@direct.trinity-health.org

Organizations & group practices 10

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 7

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": "1553212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1144780370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 E Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095000",
            "country_code": "US",
            "telephone_number": "734-936-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUNG",
        "first_name": "LILY",
        "middle_name": "HSIN-CHUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-22",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301506343",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "A194353",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A194353",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.