Individual provider Active NPI

Marilyn C Oblanca

  • Nephrology Registered Nurse
  • San Francisco, CA
National Provider Identifier
1407762396
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology Registered NurseTaxonomy code 163WN0300X
License
RN464125 Issued in CA
Practice address
4150 Clement St
San Francisco, CA 94121-1563
Phone
(415) 221-4810
Fax
(415) 750-6949
NPI assigned
Aug 20, 2026
Last updated
Aug 20, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Registered Nurse 163WN0300X RN464125 CA Primary

Addresses

Primary practice location

4150 Clement St
San Francisco, CA 94121-1563

Mailing address

302 Yale St
San Francisco, CA 94134-1632
Phone (415) 221-4810

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)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1407762396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "302 YALE ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941341632",
            "telephone_number": "415-221-4810",
            "fax_number": "415-750-6949"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 CLEMENT ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941211563",
            "telephone_number": "415-221-4810",
            "fax_number": "415-750-6949"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBLANCA",
        "first_name": "MARILYN",
        "middle_name": "C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WN0300X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Nephrology",
            "state": "CA",
            "license": "RN464125",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 Aug 20, 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.