NPIMap

Individual provider Active NPI

Sun-Chuan Dai, MD

  • Gastroenterology Physician
  • San Francisco, CA
National Provider Identifier
1811157050
Registry record updated Apr 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A103227 Issued in CA
Practice address
1001 Potrero Ave
San Francisco, CA 94110-3518
Phone
(628) 206-8000
NPI assigned
Jun 11, 2008
Last updated
Apr 1, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A103227 CA
Gastroenterology Physician 207RG0100X A103227 CA Primary

Addresses

Primary practice location

1001 Potrero Ave
San Francisco, CA 94110-3518

Mailing address

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-8000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20091030000577 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 0345387940 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Baylor College of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-8823

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone (415) 476-4029

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

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

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
Quality
89.92
Promoting interoperability
100
Improvement activities
40
Cost
78.23

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy49
Upper gastrointestinal (GI) endoscopy for acid reflux442

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
103227CAMDDentist
A103227CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group CurrentSince May 30, 2015 Accepting new patients
University of California San Francisco Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 1, 2015 Accepting new patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
University of California SFGH Medical Group Gastroenterology CurrentSince May 30, 2015 Accepting new patients
City and County of San Francisco CurrentSince Nov 17, 2019 Accepting new patients
City & County of San Francisco CurrentSince Nov 17, 2019 Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2015 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
University of California San Francisco Current Accepting new patients
City & County of San Francisco Current Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
Motion Picture and Television Fund Medical Group, Inc Internal Medicine Past Accepting new patients
Regents of the University of California Past Accepting new patients
Attarchi Medical Group Inc Internal Medicine Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

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

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

1001 Potrero Ave
Rm 3D5
San Francisco, CA 94110
Phone (415) 206-8822

1701 Divisadero St
Ste 120
San Francisco, CA 94115
Phone (415) 353-7655

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

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

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

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

Organizations & group practices 16

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 16

Hospital & facility affiliations 3

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": "1213142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1811157050",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103518",
            "telephone_number": "628-206-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103518",
            "telephone_number": "628-206-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAI",
        "first_name": "SUN-CHUAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-11",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A103227",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A103227",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.