Karen Tavolacci, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

4704203734 Issued in MI

Practice address

1500 East Medical Center Dr
1H247 University Hospital
Ann Arbor, MI 48109-5048

Phone

(734) 936-4280

NPI assigned

Jul 15, 2006

Sex

Female

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

Other names 1

• Karen Elaine-Tavolacci Holman Former name

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of Michigan 3,344 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Michigan Health System Hospital, Ann Arbor, MI, CCN 230046

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kholman218708@direct.hfhs.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.

• Anesthesia Associates of Ann Arbor, PLLC

  • Anesthesiology Physician
  • Westland, MI
  • NPI 1669581997

  MI, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Capital Area Anesthesia PC

  • Pain Medicine (Anesthesiology) Physician
  • Okemos, MI
  • NPI 1538105010

  MI, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Chelsea Community Hospital

  • Certified Registered Nurse Anesthetist
  • Chelsea, MI
  • NPI 1568542967

  MI, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Regents of the University of Michigan

  • Certified Registered Nurse Anesthetist
  • Ann Arbor, MI
  • NPI 1528010428

  MI, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Resource Anesthesiology Associates of Mi PC

  • Anesthesiology Physician
  • Saginaw, MI
  • NPI 1568755882

  MI

  Medicare reassignment NPD
• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673

  MI

  Medicare reassignment NPD
• Chelsea Community Hospital

  • Urgent Care Clinic/Center
  • Chelsea, MI
  • NPI 1033778733
  NPD
• Regents of the University of Michigan

  • Specialty Pharmacy
  • Dexter, MI
  • NPI 1952181919
  NPD
• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667
  NPD

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

• Regents of the University of Michigan

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1152921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1609892157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-936-2047"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 EAST MEDICAL CENTER DR",
            "address_2": "1H247 UNIVERSITY HOSPITAL",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095048",
            "telephone_number": "734-936-4280"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "46325 W Twelve Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Novi",
            "state": "MI",
            "postal_code": "483772456",
            "country_code": "US",
            "telephone_number": "248-618-2121",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TAVOLACCI",
        "first_name": "KAREN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-15",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704203734",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4792582",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KAREN",
            "last_name": "HOLMAN",
            "middle_name": "ELAINE-TAVOLACCI",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Matthew Lloyd Tate, MD
• Daniel Sterling Tatro, CMD
• Shannon Lee Tatum, LMSW
• Jamie Leigh Tauber, MS, LLP
• Kyle Taulbee
• Jessica Barndt Tavormina, PA-C
• Beshoy Tawfik, MD
• Taylor Integrated Therapy PLLC
• Taylor Nezich LLC
• Taylor Pahl Therapy LLC

• All providers in Ann Arbor, MI
• Certified Registered Nurse Anesthetist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.