Individual provider Active NPI

Sarah Downum, PA-C

  • Physician Assistant
  • Los Gatos, CA
National Provider Identifier
1003784976
Registry record updated Nov 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
15100 Los Gatos Blvd Ste 4
Los Gatos, CA 95032-2028
Phone
(408) 495-5770
Fax
(650) 912-1129
NPI assigned
Oct 23, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 19, 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 Primary

Addresses

Primary practice location

15100 Los Gatos Blvd Ste 4
Los Gatos, CA 95032-2028

Mailing address

15100 Los Gatos Blvd Ste 4
Los Gatos, CA 95032-2028

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
I20251224001375 CA Practitioner - Physician Assistant 8527553767 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Patricia Sitnitsky PCGroup PAC ID 0446619852, 11 clinicians

Practice addresses (Care Compare)

15100 Los Gatos Blvd
Suite 4
Los Gatos, CA 95032-2028
Phone (408) 495-5770

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
66662CAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Patricia Sitnitsky PC Physician Assistant CurrentSince Dec 1, 2025 Accepting new patients

Locations

827 Altos Oaks Dr
Ste 4
Los Altos, CA 94024
Phone (408) 495-5770

15100 Los Gatos Blvd
Ste 4
Los Gatos, CA 95032
Phone (408) 358-6234

Interoperability endpoints

  • Direct secure messaging: sarah.downum@601886991843332.direct.elationemr.com

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1761177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1003784976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15100 LOS GATOS BLVD STE 4",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322028"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15100 LOS GATOS BLVD STE 4",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322028",
            "telephone_number": "408-495-5770",
            "fax_number": "650-912-1129"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOWNUM",
        "first_name": "SARAH",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-23",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Gatos, CA

Sources for this page

Verify at the official NPI Registry.