NPIMap

Individual provider Active NPI

Paula Joy Lum, M.D., M.P.H.

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1811004559
Registry record updated May 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A53746 Issued in CA
Practice address
995 Potrero Ave
Building 80, Ward 84
San Francisco, CA 94110-2859
Phone
(415) 206-2400
Fax
(415) 476-6953
NPI assigned
Aug 25, 2006
Last updated
May 7, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2025

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 A53746 CA Primary
Addiction Medicine (Internal Medicine) Physician 207RA0401X A53746 CA

Addresses

Primary practice location

995 Potrero Ave
Building 80, Ward 84
San Francisco, CA 94110-2859

Mailing address

995 Potrero Ave
Building 80, Ward 84
San Francisco, CA 94110-2859
Phone (415) 206-2400

Other identifiers 1

IdentifierTypeStateIssuer
00A537460MedicaidCA

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
I20090824000262 CA Practitioner - Internal Medicine 9032263132 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of California SFGH Medical GroupGroup PAC ID 5496668410, shared by 14 NPIs, 566 clinicians

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518

Hospital & facility affiliations

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

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group Internal Medicine CurrentSince Jun 20, 2009 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
City and County of San Francisco CurrentSince Nov 2, 2019 Accepting new patients
City & County of San Francisco CurrentSince Nov 2, 2019 Accepting new patients
University of California SFGH Medical Group Addiction Medicine CurrentSince Oct 18, 2019 Accepting new patients
City & County of San Francisco Current 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
Bldg 80
San Francisco, CA 94110
Phone (628) 206-8610

1001 Potrero Ave
Rm 5G1
San Francisco, CA 94110
Phone (628) 206-3503

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

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746576000000",
    "number": "1811004559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "995 POTRERO AVE",
            "address_2": "BUILDING 80, WARD 84",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941102859",
            "telephone_number": "415-206-2400",
            "fax_number": "415-476-6953"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "995 POTRERO AVE",
            "address_2": "BUILDING 80, WARD 84",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941102859",
            "telephone_number": "415-206-2400",
            "fax_number": "415-476-6953"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LUM",
        "first_name": "PAULA",
        "middle_name": "JOY",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-25",
        "last_updated": "2025-05-07",
        "certification_date": "2025-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A53746",
            "primary": true
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "CA",
            "license": "A53746",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A537460",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.