Individual provider Active NPI

Katie Alyssa Yamanishi, NP

  • Nurse Practitioner
  • San Francisco, CA
National Provider Identifier
1992351498
Registry record updated Sep 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
NP95036423 Issued in CA
Practice address
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone
(415) 353-2161
NPI assigned
Aug 12, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine Registered Nurse 163WC0200X 95198897 CA
Critical Care Medicine Nurse Practitioner 363LC0200X NP95036423 CA
Nurse Practitioner 363L00000X NP95036423 CA Primary

Addresses

Primary practice location

505 Parnassus Ave
San Francisco, CA 94143-2204

Mailing address

250 Bon Air Rd
Greenbrae, CA 94904-1702

Other practice location 1

250 Bon Air Rd
Greenbrae, CA 94904-1702
Phone (415) 925-7000

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250924002650 CA Practitioner - Nurse Practitioner 0143725861 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians
UCSF Dept of SurgeryGroup PAC ID 7719886373, 211 clinicians

Practice addresses (Care Compare)

400 N McDowell Blvd
Petaluma, CA 94954-2339
Phone (707) 778-2631

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
95198897CAMDCritical Care Medicine Registered Nurse
NP95036423CAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Sep 10, 2025 Accepting new patients
UCSF Medical Group Business Services Nurse Practitioner CurrentSince Sep 10, 2025 Accepting new patients
University of California San Francisco CurrentSince Sep 10, 2025 Accepting new patients
Providence Medical Foundation CurrentSince Sep 1, 2025 Accepting new patients
UCSF Pediatrics Associates CurrentSince Sep 10, 2025 Accepting new patients
Providence Medical Foundation Current Accepting new patients
University of California San Francisco Current Accepting new patients
Providence Medical Foundation CurrentSince Sep 1, 2025 Accepting new patients
Regents of the University of California CurrentSince Sep 10, 2025 Accepting new patients
UCSF Dept of Surgery CurrentSince Sep 10, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Sep 10, 2025 Accepting new patients
Regents of the University of California Past Accepting new patients
Providence Medical Foundation Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients

Locations

250 Bon Air Rd
Kentfield, CA 94904
Phone (415) 464-1350

400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111

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

500 Doyle Park Dr
Ste 100
Santa Rosa, CA 95405
Phone (714) 449-4842

1165 Montgomery Dr
#1112
Santa Rosa, CA 95405
Phone (707) 546-3210

Interoperability endpoints

  • Direct secure messaging: kyamanishi220483@direct-ucsfmedicalcenter.org

Organizations & group practices 14

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.

View all 14

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": "1565568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1992351498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 BON AIR RD",
            "city": "GREENBRAE",
            "state": "CA",
            "postal_code": "949041702"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-353-2161"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 Bon Air Rd",
            "address_purpose": "LOCATION",
            "city": "Greenbrae",
            "state": "CA",
            "postal_code": "949041702",
            "country_code": "US",
            "telephone_number": "415-925-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YAMANISHI",
        "first_name": "KATIE",
        "middle_name": "ALYSSA",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-12",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "CA",
            "license": "95198897",
            "primary": false
        },
        {
            "code": "363LC0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Critical Care Medicine",
            "state": "CA",
            "license": "NP95036423",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "NP95036423",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.