Physician Profile
William K. Kwass, D.O., MBA is a healthcare provider in Tucson, AZ specializing in anesthesiology. According to Medicare claims data, William cared for 73 Medicare patients across 82 services. The services billed most often include ultrasonic guidance for blood vessel access, insertion of artery tube for blood sampling or infusion through skin, and anesthesia for procedure on heart and large blood vessels.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4753 E CAMP LOWELL DR
Tucson, AZ 85712
12222 Merit Dr Ste 600
Dallas, TX 75251
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
82 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
33 | More often than most peers in Anesthesiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
34 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on heart and large blood vessels | Anaesthesia | 00560 |
15 | As often as other peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William K. Kwass, D.O. is an anesthesiologist in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
William K. Kwass, D.O. is listed at 4753 E Camp Lowell Dr, Tucson, AZ 85712. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (520) 269-7547. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William K. Kwass, D.O.'s National Provider Identifier is 1669834446. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William K. Kwass, D.O. attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
William K. Kwass, D.O. has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William K. Kwass, D.O. performs procedures including insertion of artery tube for blood sampling or infusion through skin; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as anesthesia for procedure on heart and large blood vessels. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William K. Kwass, D.O.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.