William Kyle Kwass, D.O., M.B.A.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

009015 Issued in AZ

Practice address

4753 E Camp Lowell Dr
Tucson, AZ 85712-1256

Phone

(520) 269-7547

NPI assigned

Mar 22, 2016

Last updated

Apr 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ, TX2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Anesthesiology

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Banner - University Hospital Based Physicians LLCGroup PAC ID 1052614294, 343 clinicians

Tucson Ambulatory Anesthesia LLCGroup PAC ID 9931566619, 8 clinicians

U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians

Ias Arizona PLLCGroup PAC ID 7517312648, 122 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baylor University Medical Center Hospital, Dallas, TX, CCN 450021
• Banner - University Medical Center Phoenix Hospital, Phoenix, AZ, CCN 030002

Merit-based Incentive Payment System (MIPS)

Final score

0 of 100Reported as group

Quality

0

Improvement activities

0

Merit-based Incentive Payment System (MIPS)

Final score

93.34 of 100Reported as apm

Quality

74.56

Promoting interoperability

99

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Master of Business Administration

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Banner - University Hospital Based Physicians LLC

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1750751566
  Medicare reassignment Care Compare group NPD
• Ias Arizona PLLC

  • Anesthesiology Physician
  • Tucson, AZ
  • NPI 1689359747
  Medicare reassignment Care Compare group NPD
• Tucson Ambulatory Anesthesia LLC

  • Certified Registered Nurse Anesthetist
  • Tucson, AZ
  • NPI 1972291235
  Medicare reassignment Care Compare group NPD
• U. S. Anesthesia Partners of Texas, P.a.,

  dba Greater Houston Anesthesiology, P.A.

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1548208564
  Medicare reassignment Care Compare group NPD
• Desert Sunrise Anesthesia PLLC

  • Anesthesiology Physician
  • Tucson, AZ
  • NPI 1619562006
  Medicare reassignment NPD
• Anesthesia Partners of Arizona LLC

  • Anesthesiology Physician
  • Richardson, TX
  • NPI 1619452901

  AZ

  Medicare reassignment NPD
• Ascend Anesthesia LLC

  • Certified Registered Nurse Anesthetist
  • Mesa, AZ
  • NPI 1407642945
  Medicare reassignment
• Guide Anesthesia Az LLC

  • Certified Registered Nurse Anesthetist
  • Phoenix, AZ
  • NPI 1649164849
  Medicare reassignment
• Anesthesia Partners & Management LLC

  dba Arizona Anesthesia Solutions

  • Certified Registered Nurse Anesthetist
  • Brighton, MI
  • NPI 1336530997

  AZ

  Medicare reassignment
• Banner - University Hospital Based Physicians LLC

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1538879481
  NPD
• U S Anesthesia Partners of Texas, PA

  • Interventional Pain Medicine Physician
  • Addison, TX
  • NPI 1053800391

  Anesthesiology

  NPD

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

• Banner - University Medical Center Phoenix

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1841224870
  Care Compare affiliation
• Baylor University Medical Center

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1447250253
  Care Compare affiliation

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

{
    "created_epoch": "1458604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1669834446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 W RED RIBBON LN",
            "city": "ORO VALLEY",
            "state": "AZ",
            "postal_code": "857554797"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4753 E CAMP LOWELL DR",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857121256",
            "telephone_number": "520-269-7547"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12222 Merit Dr Ste 600",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "752513294",
            "country_code": "US",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KWASS",
        "first_name": "WILLIAM",
        "middle_name": "KYLE",
        "name_prefix": "Dr.",
        "credential": "D.O., M.B.A.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-22",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "S3412",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AZ",
            "license": "009015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eric Chon Kutscher, PHARMD, MBA, FASHP
• Joleen Kuzdas
• Paulina Kuzmin, DO
• Joy Kwakuyi, APRN
• Donald Larry Kwasman, DO
• Fabia Anne Kwiecinski, M.D.
• Chian Kent Kwoh, MD
• Sylvia Kwon, RN, MSN, NP-C
• Ranjit Isaac Kylathu, M.D.
• Sarah Kym

• Anesthesiology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Anesthesiology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.