Individual provider Active NPI

Julia Alisse Brenta Gellert, PA-C

  • Physician Assistant
  • San Francisco, CA
National Provider Identifier
1013293976
Registry record updated Jun 7, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA21879 Issued in CA
Practice address
1100 Van Ness Ave FL 3
San Francisco, CA 94109-6920
Phone
(415) 600-1000
NPI assigned
Oct 24, 2011
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 7, 2019

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 PA21879 CA Primary

Addresses

Primary practice location

1100 Van Ness Ave FL 3
San Francisco, CA 94109-6920

Mailing address

1100 Van Ness Ave FL 3
San Francisco, CA 94109-6920
Phone (415) 600-1000

Other practice location 1

2340 Clay St
Floor 4
San Francisco, CA 94115-1932
Phone (415) 290-1191

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
I20250911001549 CA Practitioner - Physician Assistant 0941703458 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

1100 Van Ness Ave
San Francisco, CA 94109-6978
Phone (415) 600-0140

3838 California St
San Francisco, CA 94118-1506

Hospital & facility affiliations

  • California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
PA21879CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Aug 11, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 11, 2025 Accepting new patients

Locations

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

2340 Clay St
Fl 4
San Francisco, CA 94115
Phone (415) 600-1111

1100 Van Ness Ave
Fl 3
San Francisco, CA 94109
Phone (415) 600-3397

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Interoperability endpoints

  • Direct secure messaging: jbrentapa168122@hisp.ehr.sutterhealth.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 1

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": "1319414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1559865600000",
    "number": "1013293976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 VAN NESS AVE FL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941096920",
            "telephone_number": "415-600-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 VAN NESS AVE FL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941096920",
            "telephone_number": "415-600-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2340 Clay St",
            "address_2": "Floor 4",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941151932",
            "country_code": "US",
            "telephone_number": "415-290-1191",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GELLERT",
        "first_name": "JULIA",
        "middle_name": "ALISSE BRENTA",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-10-24",
        "last_updated": "2019-06-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA21879",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.