Individual provider Active NPI

Helena Leiner Katz, MD

  • Geriatric Medicine (Internal Medicine) Physician
  • San Francisco, CA
National Provider Identifier
1285774414
Registry record updated Jun 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
G40915 Issued in CA
Practice address
375 Laguna Honda Blvd
Laguna Honda Hospital and Rehab Center, Medical SVCS
San Francisco, CA 94116-1411
Phone
(415) 759-2300
Fax
(415) 759-4587
NPI assigned
Feb 7, 2007
Last updated
Jun 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X G40915 CA Primary
Internal Medicine Physician 207R00000X G40915 CA

Addresses

Primary practice location

375 Laguna Honda Blvd
Laguna Honda Hospital and Rehab Center, Medical SVCS
San Francisco, CA 94116-1411

Mailing address

375 Laguna Honda Blvd
Laguna Honda Hospital and Rehab Ctr, Medical SVCS
San Francisco, CA 94116-1411
Phone (415) 759-2300

Other identifiers 1

IdentifierTypeStateIssuer
00G409150MedicaidCA

Other names 1

  • Helena Edin Leiner Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
40915CAMDPharmacist
G40915CAMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lifelong Medical Care Past Accepting new patients
Alameda Health System Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1170806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1285774414",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 LAGUNA HONDA BLVD",
            "address_2": "LAGUNA HONDA HOSPITAL AND REHAB CTR, MEDICAL SVCS",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941161411",
            "telephone_number": "415-759-2300",
            "fax_number": "415-759-4509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 LAGUNA HONDA BLVD",
            "address_2": "LAGUNA HONDA HOSPITAL AND REHAB CENTER, MEDICAL SVCS",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941161411",
            "telephone_number": "415-759-2300",
            "fax_number": "415-759-4587"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATZ",
        "first_name": "HELENA",
        "middle_name": "LEINER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-07",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "G40915",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G40915",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G409150",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HELENA",
            "last_name": "LEINER",
            "middle_name": "EDIN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.