Alexander Allan Tomas, APRN, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

209020649 Issued in IL

Practice address

25 N Winfield Rd
Winfield, IL 60190-1379

Phone

(630) 933-6675

Fax

(630) 933-2614

NPI assigned

Feb 9, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MI, FL, IL, NM, PA, DE6 enrollments

Enrollment records 6

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Delnor Community Hospital Hospital, Geneva, IL, CCN 140211
• Mercyhealth Hospital & Physician Clinic-Crystal la Hospital, Crystal Lake, IL, CCN 140308

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations (25 of 32)

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/8209/brand/5/csg/21/fhir/r4
• Direct secure messaging: atomas960295@direct.unitypoint.org

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.

• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  dba MHS Physician Services

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603

  IL

  Medicare reassignment Care Compare group NPD
• Clinical Colleagues Inc

  • Anesthesiology Physician
  • Galesburg, IL
  • NPI 1316399967

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Rockford Health Physicians

  dba Mercyhealth Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment NPD
• Anesthesia Associates of New Mexico P C

  • Specialist
  • Albuquerque, NM
  • NPI 1912900754
  Medicare reassignment NPD
• Anesthesia Services PA

  • Anesthesiology Physician
  • New Castle, DE
  • NPI 1053366377
  Medicare reassignment NPD
• Eastside Group LLC

  • Anesthesiology Physician
  • Saint Clair Shores, MI
  • NPI 1235365289

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Galloway Anesthesia Associates LLC

  • Anesthesiology Physician
  • Miami, FL
  • NPI 1689989139

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Henry Ford Health Genesys Hospital

  dba Henry Ford Genesys Hospital

  • Certified Registered Nurse Anesthetist
  • Grand Blanc, MI
  • NPI 1558517367

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Michigan Crnas Staffing LLC

  • Anesthesiology Physician
  • Novi, MI
  • NPI 1851666424
  Medicare reassignment NPD
• Northstar Anesthesia of Michigan PLLC

  • Anesthesiology Physician
  • Irving, TX
  • NPI 1871986372

  MI, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342
  Medicare reassignment NPD

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

• Delnor Community Hospital

  dba Northwestern Medicine Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  Care Compare affiliation
• Mercy Crystal Lake Hospital and Medical Center Inc

  dba Mercyhealth Hospital and Physician Clinic-Crystal Lake

  • General Acute Care Hospital
  • Crystal Lake, IL
  • NPI 1023754371
  Care Compare affiliation

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

{
    "created_epoch": "1454976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1720742400000",
    "number": "1346608098",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 N WINFIELD RD",
            "city": "WINFIELD",
            "state": "IL",
            "postal_code": "601901379",
            "telephone_number": "630-933-6675",
            "fax_number": "630-933-2614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 N WINFIELD RD",
            "city": "WINFIELD",
            "state": "IL",
            "postal_code": "601901379",
            "telephone_number": "630-933-6675",
            "fax_number": "630-933-2614"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOMAS",
        "first_name": "ALEXANDER",
        "middle_name": "ALLAN",
        "credential": "APRN, CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-02-09",
        "last_updated": "2024-07-12",
        "certification_date": "2024-07-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "FL",
            "license": "RN9354178",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704319374",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "FL",
            "license": "APRN9354178",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209020649",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MI LICENSE",
            "identifier": "4704319374",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Johnny B Terry Jr., PHYSICIAN ASSISTANT
• Eric Tessmann, LSW
• Diane Marie Thomas, PSY.D., LCPC
• Jucy Tiesenga, NP
• Jocelyn Tolentino, MD
• Cathy Gaza Tomasik, M.S., CCC-SLP
• Jonathan Michael Tomasko, M.D.
• Todd Tomson, MD
• Luis Torero, MD
• Luisa Toska, PSYD

• Certified Registered Nurse Anesthetist in Winfield, IL
• Providers in Winfield, IL by specialty
• Certified Registered Nurse Anesthetist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 12, 2024; 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.