Individual provider Active NPI

John W Park, MD

  • Medical Oncology Physician
  • San Francisco, CA
National Provider Identifier
1053375444
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
G63196 Issued in CA
Practice address
1600 Divisadero St
2ND Floor, Box 1710
San Francisco, CA 94115-3010
Phone
(415) 353-7070
Fax
(415) 353-7021
NPI assigned
Apr 13, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X G63196 CA Primary

Addresses

Primary practice location

1600 Divisadero St
2ND Floor, Box 1710
San Francisco, CA 94115-3010

Mailing address

1635 Divisadero St
Ste. 625, Box 1821
San Francisco, CA 94143-0001
Phone (415) 476-4029

Other identifiers 1

IdentifierTypeStateIssuer
00G631960MedicaidCA

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
I20050509000431 CA Practitioner - Hematology/OncologyPractitioner - Internal MedicinePractitioner - Medical Oncology 0648210740 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Medical Oncology
Education
Stanford University School of Medicine, 1986
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)

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone (415) 476-1000

400 Parnassus Ave
McB300
San Francisco, CA 94143-0810
Phone (415) 476-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
80.98 of 100Reported as group
Quality
73.31
Promoting interoperability
92
Improvement activities
40
Cost
62

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
63196CAMDGeneral Practice Dentistry
G63196CAMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group CurrentSince Feb 21, 2009 Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2007 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 1, 2007 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
University of California SFGH Medical Group Medical Oncology CurrentSince Feb 21, 2009 Accepting new patients
UCSF Medical Group Business Services Medical Oncology CurrentSince Jul 1, 2007 Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2007 Accepting new patients
Regents of the University of California Medical Oncology CurrentSince Mar 19, 2011 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
UCSF Past Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

1001 Potrero Ave
Bldg 80
San Francisco, CA 94110
Phone (628) 206-8610

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

1635 Divisadero St
Ste 625
San Francisco, CA 94115
Phone (415) 476-1977

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

3333 California St
#S110
San Francisco, CA 94118
Phone (415) 514-2664

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

400 Parnassus Ave
#300
San Francisco, CA 94143
Phone (415) 476-3131

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 13

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 13

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": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1053375444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "STE. 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 DIVISADERO ST",
            "address_2": "2ND FLOOR, BOX 1710",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153010",
            "telephone_number": "415-353-7070",
            "fax_number": "415-353-7021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PARK",
        "first_name": "JOHN",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "G63196",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G631960",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.