Individual provider Active NPI

Anthony Trejo, CRNA

  • Certified Registered Nurse Anesthetist
  • Stanford, CA
National Provider Identifier
1033891288
Registry record updated Jun 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95002104 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Aug 7, 2023
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 95002104 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

1425 S Main St
Walnut Creek, CA 94596-5318
Phone (925) 295-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240724004338 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 0648716704 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mai Nursing Anesthesia PCGroup PAC ID 2567858764, 35 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

2160 W Grant Line Rd
Suite 120
Tracy, CA 95377-7331
Phone (209) 836-5680

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
95002104CAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group, Inc CurrentSince Aug 3, 2024 Accepting new patients
Mai Nursing Anesthesia PC CurrentSince Jun 16, 2024 Accepting new patients
Stanford Health Care Current Accepting new patients
Stanford Health Care CurrentSince Apr 11, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Apr 11, 2025 Accepting new patients
Stanford Health Care CurrentSince Apr 11, 2025 Accepting new patients
Apa Medical Group, Inc. CurrentSince Jul 1, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Aug 3, 2024 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
National Ambulatory Surgery Center, LLC Past Accepting new patients
Apmc Medical Group Inc Past Accepting new patients

Locations (25 of 28)

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

8750 Wilshire Blvd
Ste 150
Beverly Hills, CA 90211
Phone (310) 461-1122

1849 Old Bayshore Hwy
Fl 3
Burlingame, CA 94010
Phone (650) 209-5894

429 Llewellyn Ave
Campbell, CA 95008
Phone (408) 358-5000

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

5 Holland
Ste 101
Irvine, CA 92618
Phone (949) 588-2199

10921 Wilshire Blvd
Ste 1111
Los Angeles, CA 90024
Phone (310) 208-0474

15251 National Ave
Ste 207
Los Gatos, CA 95032
Phone (408) 356-0052

302 W La Veta Ave
Ste 100
Orange, CA 92866
Phone (408) 358-1555

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1700 San Pablo Ave
Ste D
Pinole, CA 94564
Phone (510) 724-9500

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

3003 Paul Sweet Rd
Santa Cruz, CA 95065
Phone (831) 462-1607

3540 Mendocino Ave
Ste 200
Santa Rosa, CA 95403
Phone (707) 522-6200

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

2160 W Grant Line Rd
Ste 120
Tracy, CA 95377
Phone (209) 832-2095

Organizations & group practices 11

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 7

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": "1691366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749427200000",
    "number": "1033891288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1425 S Main St",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945965318",
            "country_code": "US",
            "telephone_number": "925-295-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TREJO",
        "first_name": "ANTHONY",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-08-07",
        "last_updated": "2025-06-09",
        "certification_date": "2025-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95002104",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.