Ann M Koss, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

12142 Issued in TN

Practice address

810 W Forest Ave
Jackson, TN 38301-3942

Phone

(731) 668-1853

Fax

(731) 664-7731

NPI assigned

Sep 27, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in TN, NY, VA, GA, NC, FL6 enrollments

Enrollment records 6

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

State University of New York at Buffalo School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

American Anesthesiology of Tennessee PCGroup PAC ID 9931001922, 296 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Physicians Regional Medical Center Hospital, Powell, TN, CCN 440120

Merit-based Incentive Payment System (MIPS)

Final score

84.14 of 100Reported as group

Quality

83.98

Improvement activities

40

Cost

76.51

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.

• American Anesthesiology of Tennessee, P.C.

  • Anesthesiology Physician
  • Knoxville, TN
  • NPI 1609822998
  Medicare reassignment Care Compare group NPD
• Medical Center Anesthesia Inc.

  • Anesthesiology Physician
  • Jackson, TN
  • NPI 1447591730

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• American Anesthesiology Associates of Georgia, LLC

  • Anesthesiology Physician
  • Stone Mountain, GA
  • NPI 1528068673
  Medicare reassignment NPD
• American Anesthesiology of Florida, Inc

  • Anesthesiology Physician
  • Melville, NY
  • NPI 1679592893

  FL

  Medicare reassignment NPD
• American Anesthesiology of North Carolina, PLLC

  • Certified Registered Nurse Anesthetist
  • Burlington, NC
  • NPI 1053677195

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• American Anesthesiology of Virginia PC

  • Anesthesiology Physician
  • Falls Church, VA
  • NPI 1417994872
  Medicare reassignment NPD
• Anesthesiology Associates of Radford Inc

  • Anesthesiology Physician
  • Christiansburg, VA
  • NPI 1407878465
  Medicare reassignment NPD
• Carilion Professional Services LLC

  • Certified Registered Nurse Anesthetist
  • Roanoke, VA
  • NPI 1184634156

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Winchester Anesthesiologists Inc

  • Anesthesiology Physician
  • Winchester, VA
  • NPI 1700841137
  Medicare reassignment NPD
• American Anesthesiology of Tennessee, P.C.

  • Certified Registered Nurse Anesthetist
  • Knoxville, TN
  • NPI 1245279777

  Nurse Anesthetist, Certified Registered

  NPD
• American Anesthesiology of Florida, Inc

  • Anesthesiology Physician
  • Sunrise, FL
  • NPI 1760741797
  NPD
• American Anesthesiology of North Carolina, PLLC

  • Pain Medicine (Anesthesiology) Physician
  • Wake Forest, NC
  • NPI 1942248547

  Nurse Anesthetist, Certified Registered

  NPD

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

• Metro Knoxville Hma LLC

  • General Acute Care Hospital
  • Powell, TN
  • NPI 1043292899
  Care Compare affiliation

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1588650360",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "810 W FOREST AVE",
            "city": "JACKSON",
            "state": "TN",
            "postal_code": "383013942",
            "telephone_number": "731-668-1853",
            "fax_number": "731-664-7731"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "810 W FOREST AVE",
            "city": "JACKSON",
            "state": "TN",
            "postal_code": "383013942",
            "telephone_number": "731-668-1853",
            "fax_number": "731-664-7731"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOSS",
        "first_name": "ANN",
        "middle_name": "M",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-27",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TN",
            "license": "12142",
            "primary": true
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "FL",
            "license": "APRN11034671",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3635317",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christopher Michael Knight, MD
• Nathan Allen Koenegstein, OTR/L
• Hannah Grace Cruz Kolasinski
• Edward D Koonce, M.D.
• Alexandra Korshun, DO
• Virginia Anne Koubek, M.D.
• Jeffrey J Kovalic, M.D.
• Joshua Krebs, MS, LPC
• Christina Ann Krewer, R.N.
• Unknown Krishna Kumar Ashwin, MD

• Certified Registered Nurse Anesthetist in Jackson, TN
• Providers in Jackson, TN by specialty
• Certified Registered Nurse Anesthetist in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.