Individual provider Active NPI

Alexander Fritz Szilagyi, CRNA

  • Certified Registered Nurse Anesthetist
  • Walnut Creek, CA
National Provider Identifier
1407369671
Registry record updated Dec 30, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95000751 Issued in CA
Practice address
1425 S Main St
Walnut Creek, CA 94596-5318
Phone
(925) 295-4000
NPI assigned
Nov 9, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2021

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 95000751 CA Primary

Addresses

Primary practice location

1425 S Main St
Walnut Creek, CA 94596-5318

Mailing address

23009 Canyon Terrace Dr
Castro Valley, CA 94552-5492
Phone (925) 786-3890

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20180215002359 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 3072873801 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians
Coachella Valley Anesthesia a Professional CorporationGroup PAC ID 5698131969, 126 clinicians

Practice addresses (Care Compare)

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

333 Mercy Ave
Merced, CA 95340-8319
Phone (209) 564-5023

Hospital & facility affiliations

  • Mercy Medical Center Hospital, Merced, CA, CCN 050444

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group, Inc CurrentSince Dec 31, 2017 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Mai Nursing Anesthesia PC CurrentSince Dec 24, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Dec 31, 2017 Accepting new patients
Amsurg Oakland Anesthesia LP CurrentSince Feb 1, 2022 Accepting new patients
Coachella Valley Anesthesia a Professional Corporation Nurse Anesthetist, Certified Registered CurrentSince Sep 1, 2025 Accepting new patients

Locations

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

420 34th St
Bakersfield, CA 93301
Phone (661) 324-4647

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

1320 El Capitan Dr
Danville, CA 94526
Phone (925) 331-8520

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

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

333 Mercy Ave
Merced, CA 95340
Phone (209) 385-1280

3365 Solano Ave
Napa, CA 94558
Phone (707) 266-6878

1800 Harrison St
Fl 7
Oakland, CA 94612

300 Ogawa Plz
Ste 135
Oakland, CA 94612
Phone (510) 893-1600

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

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

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

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

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

1425 S Main St
Walnut Creek, CA 94596
Phone (925) 295-4130

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Organizations & group practices 6

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": "1510185600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1640822400000",
    "number": "1407369671",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23009 CANYON TERRACE DR",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945525492",
            "telephone_number": "925-786-3890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 S MAIN ST",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965318",
            "telephone_number": "925-295-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SZILAGYI",
        "first_name": "ALEXANDER",
        "middle_name": "FRITZ",
        "name_prefix": "Mr.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-11-09",
        "last_updated": "2021-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95000751",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "1425 S Main St",
            "city": "Walnut Creek",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945965318",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 2021; 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.