Individual provider Active NPI

William Cheng Chen, MD

  • Radiation Oncology Physician
  • San Francisco, CA
National Provider Identifier
1417452251
Registry record updated Jun 13, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
A166045 Issued in CA
Practice address
1600 Divisadero St Ste H-1031
San Francisco, CA 94143-3010
Phone
(415) 353-7175
NPI assigned
Mar 26, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 13, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Radiation Oncology Physician 2085R0001X A166045 CA Primary

Addresses

Primary practice location

1600 Divisadero St Ste H-1031
San Francisco, CA 94143-3010

Mailing address

1600 Divisadero St Ste H-1031
San Francisco, CA 94143-3010

Other practice location 1

2425 Geary Blvd
San Francisco, CA 94115-3358
Phone (415) 833-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20230726003409 CA Practitioner - Radiation Oncology 5294166708 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
University of California, San Francisco School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

Practice addresses (Care Compare)

1600 Divisadero St
McB302
San Francisco, CA 94115-3010
Phone (415) 476-1000

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

3100 San Pablo Ave
Berkeley, CA 94702-2498
Phone (510) 985-5020

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.01 of 100Reported as group
Quality
86.78
Improvement activities
40
Cost
70.46

Merit-based Incentive Payment System (MIPS)

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
137214CAMDPsychiatry Physician
A166045CAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Jun 30, 2023 Accepting new patients
University of California San Francisco CurrentSince Jun 30, 2023 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 30, 2023 Accepting new patients
University of California San Francisco CurrentSince Jun 30, 2023 Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

3100 San Pablo Ave
Berkeley, CA 94702
Phone (510) 985-5020

1825 4th St
Fl 1
San Francisco, CA 94143
Phone (415) 353-7175

1825 4th St
Rm M2260
San Francisco, CA 94143
Phone (415) 502-7222

1600 Divisadero St
San Francisco, CA 94143
Phone (415) 353-7175

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

2001 The Embarcadero
Ste 1500
San Francisco, CA 94143
Phone (415) 353-1606

1600 Divisadero St
Ste H1031
San Francisco, CA 94143
Phone (415) 353-7175

1825 4th St
San Francisco, CA 94143
Phone (415) 353-3000

505 Parnassus Ave
#L75
San Francisco, CA 94143

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

1600 Divisadero St
#H1031
San Francisco, CA 94143
Phone (415) 353-7175

Interoperability endpoints

  • Direct secure messaging: wchen69030@direct-ucsfmedicalcenter.org
  • Direct secure messaging: wchen150166@direct.whhs.com

Organizations & group practices 7

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 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": "1522022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1686614400000",
    "number": "1417452251",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 DIVISADERO ST STE H-1031",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941433010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 DIVISADERO ST STE H-1031",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941433010",
            "telephone_number": "415-353-7175"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2425 Geary Blvd",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941153358",
            "country_code": "US",
            "telephone_number": "415-833-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "WILLIAM",
        "middle_name": "CHENG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-26",
        "last_updated": "2023-06-13",
        "certification_date": "2023-06-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "A166045",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.