Individual provider Active NPI

Ashley Karen Lucarelli

  • Physician Assistant
  • San Francisco, CA
National Provider Identifier
1992374243
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA66306 Issued in CA
Practice address
3838 California St RM 715
San Francisco, CA 94118-1509
Phone
(415) 297-9477
NPI assigned
Jun 22, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA66306 CA Primary

Addresses

Primary practice location

3838 California St RM 715
San Francisco, CA 94118-1509

Mailing address

3838 California St RM 715
San Francisco, CA 94118-1509

Other practice location 1

3838 California St
San Francisco, CA 94118-1522
Phone (415) 668-8010

Other names 1

  • Ashley Karen Windheuser Former name

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
I20251208003290 CA Practitioner - Physician Assistant 4385042167 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the University of California - UCSFGroup PAC ID 3375822471, 78 clinicians

Practice addresses (Care Compare)

3838 California St
RM 715
San Francisco, CA 94118-1509
Phone (415) 592-2017

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
Physician Assistant

State licenses

LicenseStateTypeSpecialty
66306CAMDPharmacist
PA66306CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
California Pacific Orthopaedics & Sports Medicine CurrentSince Jan 1, 2026 Accepting new patients
California Pacific Orthopaedics and Sports Medicine a Medical Corporat CurrentSince Jan 1, 2026 Accepting new patients
Regents of the University of California - UCSF CurrentSince Dec 11, 2025 Accepting new patients

Locations

3838 California St
Rm 715
San Francisco, CA 94118
Phone (415) 592-2014

3838 California St
San Francisco, CA 94118
Phone (415) 221-6668

3838 California St
Rm 516
San Francisco, CA 94118
Phone (415) 668-8010

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

2001 Winward Way
Ste 101
San Mateo, CA 94404
Phone (650) 288-0602

Interoperability endpoints

  • Direct secure messaging: asw9039@direct.nyp.org

Organizations & group practices 3

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 4

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": "1624320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1992374243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3838 CALIFORNIA ST RM 715",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941181509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3838 CALIFORNIA ST RM 715",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941181509",
            "telephone_number": "415-297-9477"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3838 California St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941181522",
            "country_code": "US",
            "telephone_number": "415-668-8010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LUCARELLI",
        "first_name": "ASHLEY",
        "middle_name": "KAREN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-06-22",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA66306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ASHLEY",
            "last_name": "WINDHEUSER",
            "middle_name": "KAREN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.