Sean P. Lasalle, MD

Medicare activity in 2024

Official CMS public-use data for Sean P. Lasalle, 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. Injection, golimumab, 1 mg, for intravenous use (J1602)19,500 services
2. Injection, infliximab, excludes biosimilar, 10 mg (J1745)16,427 services
3. Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)10,275 services
4. Injection, denosumab, 1 mg (J0897)7,080 services
5. Injection, rituximab, 10 mg (J9312)6,502 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).

• Arthritis75%
• High blood pressure66%
• High cholesterol61%
• Osteoporosis39%
• Depression24%
• Anxiety24%

Hospitals where Sean P. Lasalle works

Medicare's Facility Affiliation Data lists Sean P. Lasalle 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
• Newport Community HospitalNewport, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501310
• Providence Mount Carmel HospitalColville, WA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 501326
• Providence St Joseph HospitalChewelah, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501309
• St Mary's HospitalCottonwood, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131321

Practice locations

Addresses where Sean P. Lasalle is enrolled with Medicare (CMS data updated October 2, 2026).

• 105 W 8th AveSpokane, WA 99204 (509) 838‑6500
• 105 W 8th Ave, Suite 6080Spokane, WA 99204
• 12509 E Mission Ave, Suite 102Spokane Valley, WA 99216

Group practices

Medicare enrollment lists Sean P. Lasalle as a member of this group (CMS data updated October 2, 2026).

• Arthritis Northwest PLLC7 clinicians in the group

Specialties

• Rheumatologyprimary

Find other Rheumatology doctors in Washington →

Other rheumatologists in Spokane

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

• Lauren Johnson, MD
• Howard Kenney, MD
• Rebecca R. Muntean, MD
• Eric C. Mueller, MD
• Barbara Jacobs, MD
• Raksha Pradhan, MD

All rheumatologists in Spokane →

Other clinicians in Arthritis Northwest PLLC

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

• Christian A. Cox, PA
• Eric C. Mueller, MD
• Michael C. Coan, DO
• Penny A. Sather, NP

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