William Andrew Santos

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

743513 Issued in CA

Practice address

2025 Morse Ave
Sacramento, CA 95825-2115

Phone

(916) 973-5000

NPI assigned

Nov 29, 2016

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Green AnesthesiaGroup PAC ID 6103270566, 23 clinicians

Orthopedic Associates of Northern California a Medical GroupGroup PAC ID 1254239965, 29 clinicians

Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Elizabeth Community Hospital Hospital, Red Bluff, CA, CCN 050042

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations (25 of 29)

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/5678/brand/1/csg/1/fhir/r4

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.

• Cep America - Anesthesia, PC

  • Anesthesiology Physician
  • Walnut Creek, CA
  • NPI 1790401438
  Medicare reassignment Care Compare group NPD
• Green Anesthesia

  • Certified Registered Nurse Anesthetist
  • Fairfield, CA
  • NPI 1457039331

  Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• Orthopedic Associates of Northern California a Medical Group

  • Orthopaedic Surgery Physician
  • Chico, CA
  • NPI 1235108077
  Medicare reassignment Care Compare group NPD
• Arthur Christopher Vigil MD Inc

  • Anesthesiology Physician
  • Costa Mesa, CA
  • NPI 1275831505
  Medicare reassignment NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Sda Services of Ca

  • Anesthesiology Physician
  • Crescent City, CA
  • NPI 1417428970
  Medicare reassignment NPD
• Sutter Valley Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Modesto, CA
  • NPI 1346615150
  Medicare reassignment
• Sutter Valley Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Yuba City, CA
  • NPI 1457593980
  Medicare reassignment
• Sutter Valley Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Stockton, CA
  • NPI 1467825844
  Medicare reassignment
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986
  Medicare reassignment
• Sutter Valley Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Elk Grove, CA
  • NPI 1972877264
  Medicare reassignment
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • Redding, CA
  • NPI 1013561851
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Dignity Health

  • General Acute Care Hospital
  • Red Bluff, CA
  • NPI 1083732853
  Care Compare affiliation
• Dignity Health

  • Rural Health Clinic/Center
  • Corning, CA
  • NPI 1609246461

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1480377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778198400000",
    "number": "1326581026",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8671 EVERGLADE DR",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958263645",
            "telephone_number": "916-267-1445"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2025 MORSE AVE",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958252115",
            "telephone_number": "916-973-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8200 Laguna Blvd",
            "address_purpose": "LOCATION",
            "city": "Elk Grove",
            "state": "CA",
            "postal_code": "957587956",
            "country_code": "US",
            "telephone_number": "916-544-5400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SANTOS",
        "first_name": "WILLIAM",
        "middle_name": "ANDREW",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-11-29",
        "last_updated": "2026-05-08",
        "certification_date": "2026-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "743513",
            "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": "2025 Morse Ave",
            "city": "Sacramento",
            "state": "CA",
            "country_code": "US",
            "postal_code": "95825",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rolando Marcella Santos Jr., FNP
• Sean Michael Santos, COTA/L
• Shan Santos
• Stephen Wayne Santos Jr., PHARM.D.
• Vivian Adilene Santos
• Marianne Victoria Santoso
• Adriana Santoyo Palos
• Alejandro Santoyo
• Valeria Santoyo
• Sanustan Inc

• Certified Registered Nurse Anesthetist in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Certified Registered Nurse Anesthetist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2026; 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.