Individual provider Active NPI

Joseph Mak, DO

  • Pulmonary Disease Physician
  • San Francisco, CA
National Provider Identifier
1629537774
Registry record updated Jun 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
20A23532 Issued in CA
Practice address
400 Parnassus Ave FL 6
San Francisco, CA 94143-2202
Phone
(415) 353-2961
NPI assigned
Mar 18, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X 20A23532 CA Primary

Addresses

Primary practice location

400 Parnassus Ave FL 6
San Francisco, CA 94143-2202

Mailing address

3821 Bluff St
Torrance, CA 90505-6359
Phone (310) 373-1831

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
I20250630002974 CA Practitioner - Pulmonary DiseasePractitioner - Internal Medicine 3476933789 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians
Regents of the University of CaliforniaGroup PAC ID 4284547274, 706 clinicians

Practice addresses (Care Compare)

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

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-4029

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
  • UCSF Health St. Mary'S Hospital Hospital, San Francisco, CA, CCN 050457
  • Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A23532CAMDPulmonary Disease Physician
23532CAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jun 17, 2025 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 17, 2025 Accepting new patients
Regents of the University of California Pulmonary Disease CurrentSince Jun 17, 2025 Accepting new patients
University of California San Francisco CurrentSince Jun 17, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 17, 2025 Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients

Locations

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

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

400 Parnassus Ave
Fl 6
San Francisco, CA 94143
Phone (415) 353-2200

400 Parnassus Ave
Fl A6114
San Francisco, CA 94143

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

Interoperability endpoints

  • Direct secure messaging: jmak436926@direct-ucsfmedicalcenter.org

Organizations & group practices 8

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": "1552867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749859200000",
    "number": "1629537774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3821 BLUFF ST",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905056359",
            "telephone_number": "310-373-1831"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE FL 6",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2961"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAK",
        "first_name": "JOSEPH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-18",
        "last_updated": "2025-06-14",
        "certification_date": "2025-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "20A23532",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.