Timothy S Fischer, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

122155 Issued in WI

Practice address

2845 Greenbrier Rd
Green Bay, WI 54311-6519

Phone

(920) 288-3388

Fax

(920) 288-4863

NPI assigned

Jul 19, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baycare Clinic LLPGroup PAC ID 4385554328, 197 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193
• Aurora Medical Ctr Manitowoc County Hospital, Two Rivers, WI, CCN 520034

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

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.

• Baycare Clinic LLP

  • Emergency Medicine Physician
  • Green Bay, WI
  • NPI 1588609648
  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Aurora Medical Group, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1659599157
  NPD
• Baycare Clinic LLP

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1134490758
  NPD

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

• Aurora Health Care North, Inc.

  • General Acute Care Hospital
  • Two Rivers, WI
  • NPI 1477508687
  Care Compare affiliation
• Baycare Aurora, LLC

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1255387726
  Care Compare affiliation

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

{
    "created_epoch": "1153267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1922027697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1035 KEPLER DR",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543118320",
            "telephone_number": "920-490-9046",
            "fax_number": "920-405-8005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2845 GREENBRIER RD",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543116519",
            "telephone_number": "920-288-3388",
            "fax_number": "920-288-4863"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FISCHER",
        "first_name": "TIMOTHY",
        "middle_name": "S",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-19",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WI",
            "license": "122155",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "44309600",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tfischer63414@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2845 Greenbrier Rd",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2845 Greenbrier Rd",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tfischer63414@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "2845 Greenbrier Rd",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Deanna C Fischer, MS
• Deborah Sue Fischer, MD
• Jennifer E. Montgomery Fischer, MD
• Laurie Ellen Fischer, RDH
• Peter M Fischer, MD
• Kirk Richard Fishbaugh, D.D.S.
• Alyssa A Fisher, MA, LPC
• Maranda Fisher
• Suzanne Kay Fisher, LPN
• Courtney Fitzgerald Martin, MS, OTR

• Certified Registered Nurse Anesthetist in Green Bay, WI
• Providers in Green Bay, WI by specialty
• Certified Registered Nurse Anesthetist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.