Andrew R. Barnett, MD

Medicare activity in 2024

Official CMS public-use data for Andrew R. Barnett, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Insertion of artery tube for blood sampling or infusion through skin (36620)24 services
2. Ultrasonic guidance for blood vessel access (76937)22 services
3. Anesthesia for procedure on eyelid (00103)20 services
4. Anesthesia for other procedure on large bowel using an endoscope (00811)20 services
5. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol74%
• Arthritis56%
• Atrial fibrillation35%
• Ischemic heart disease26%
• Diabetes25%

Hospitals where Andrew R. Barnett works

Medicare's Facility Affiliation Data lists Andrew R. Barnett at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Deaconess Medical CenterSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500044
• Multicare Valley HospitalSpokane Valley, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500119

Practice locations

Addresses where Andrew R. Barnett is enrolled with Medicare (CMS data updated October 2, 2026).

• 800 W 5th AveSpokane, WA 99204 (509) 458‑5800

Group practices

Medicare enrollment lists Andrew R. Barnett as a member of this group (CMS data updated October 2, 2026).

• Anesthesia Associates, PS61 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Washington →

Other anesthesiologists in Spokane

Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.

• Cornelius R. Peterson, MD
• Stephanie C. Jones, MD
• Sai Alla, MD
• Mark W. Smith, MD
• Christopher D. Yarber, DO
• Stacie D. Sanders, MD
• James R. Madrian, MD
• Ghassan S. Nemri, MD

All anesthesiologists in Spokane →

Other clinicians in Anesthesia Associates, PS

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Adam J. Selzler, CNA
• Brian Y. Lee, CNA
• Marcus L. Soper, CNA
• Christopher D. Yarber, DO
• Trisha Siebert, CNA
• Michelle Tully, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians