Alistair J. Macdonald, MD

Medicare activity in 2024

Official CMS public-use data for Alistair J. Macdonald, 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)51 services
2. Ultrasonic guidance for blood vessel access (76937)49 services
3. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)29 services
4. Ultrasound of heart with probe in esophagus, with report (93312)27 services
5. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)26 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 cholesterol70%
• Arthritis57%
• Ischemic heart disease42%
• Atrial fibrillation37%
• Heart failure30%

Hospitals where Alistair J. Macdonald works

Medicare's Facility Affiliation Data lists Alistair J. Macdonald 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.

• Community Medical CenterMissoula, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270023
• St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014

Practice locations

Addresses where Alistair J. Macdonald is enrolled with Medicare (CMS data updated October 2, 2026).

• 2827 Fort Missoula RdMissoula, MT 59804 (406) 728‑4100
• 500 W Broadway, St Patrick HospitalMissoula, MT 59802 (406) 543‑7271

Group practices

Medicare enrollment lists Alistair J. Macdonald as a member of this group (CMS data updated October 2, 2026).

• Missoula Anesthesiology PC45 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Montana →

Other anesthesiologists in Missoula

Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.

• Patrick R. Danaher, DO
• Gregar H. Lind, MD
• Chad Duncan, MD
• Bryn Van Hoomissen, MD
• Lawrence G. Kettwich, MD
• Gareth L. Gardiner, MD
• Jacqueline R. Linton, MD
• Mitchell L. Parrish, MD

All anesthesiologists in Missoula →

Other clinicians in Missoula Anesthesiology PC

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

• Chad Duncan, MD
• Anthony Menendez, MD
• Bryn Van Hoomissen, MD
• Lawrence G. Kettwich, MD
• G.steven Wright Jr., MD
• Tyler W. Jacobsen, 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