Individual provider Active NPI

Won-Tak Choi, M.D., PH.D.

  • Anatomic Pathology Physician
  • San Francisco, CA
National Provider Identifier
1275860918
Registry record updated Oct 22, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology PhysicianTaxonomy code 207ZP0101X
License
A132954 Issued in CA
Practice address
505 Parnassus Ave # M552
San Francisco, CA 94143-2204
Phone
(415) 353-9533
NPI assigned
Nov 16, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology Physician 207ZP0101X A132954 CA Primary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X A132954 CA

Addresses

Primary practice location

505 Parnassus Ave # M552
San Francisco, CA 94143-2204

Mailing address

1 Bayside Village PL
Apt 103
San Francisco, CA 94107-1437
Phone (909) 544-1955

Other practice location 1

1001 Potrero Ave # 6D
SFGH OB GYN
San Francisco, CA 94110-3518
Phone (909) 544-1955

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
I20150707000560 CA Practitioner - Pathology 1052623923 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

Practice addresses (Care Compare)

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

450 Stanyan St
San Francisco, CA 94117-1019
Phone (415) 750-5750

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

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
  • UCSF Health St. Mary'S Hospital Hospital, San Francisco, CA, CCN 050457
  • UCSF Health Saint Francis Hospital Hospital, San Francisco, CA, CCN 050152

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, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
A132954CAMDAnatomic Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Oct 22, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2015 Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2015 Accepting new patients
UCSF Medical Group Business Services CurrentSince Oct 22, 2024 Accepting new patients
University of California San Francisco Medical Center PastSince Oct 27, 2024 Accepting new patients

Locations

505 Parnassus Ave
#M552
San Francisco, CA 94143
Phone (415) 353-9533

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

1001 Potrero Ave
#6D
San Francisco, CA 94110
Phone (415) 206-3061

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

Organizations & group practices 6

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": "1258329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1729555200000",
    "number": "1275860918",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BAYSIDE VILLAGE PL",
            "address_2": "APT 103",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941071437",
            "telephone_number": "909-544-1955"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE # M552",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-353-9533"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Ave # 6D",
            "address_2": "SFGH OB GYN",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "909-544-1955",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOI",
        "first_name": "WON-TAK",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-11-16",
        "last_updated": "2024-10-22",
        "certification_date": "2024-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "CA",
            "license": "A132954",
            "primary": true
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "A132954",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.