Quick answers
- Does Shawn G. Macalester accept Medicare assignment?
- Yes. Medicare's clinician data says Shawn G. Macalester accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Shawn G. Macalester see?
- In 2024, CMS data shows 428 Original Medicare patients and 132,499 services for Shawn G. Macalester. This counts Original Medicare only and measures volume, not quality.
- What is Shawn G. Macalester's NPI number?
- 1871706218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shawn G. Macalester, 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.
| Original Medicare patients | 428 |
|---|---|
| Services billed to Medicare | 132,499 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, tocilizumab, 1 mg (J3262)55,000 services
- Injection, golimumab, 1 mg, for intravenous use (J1602)16,450 services
- 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)11,075 services
- Injection, rituximab, 10 mg (J9312)3,150 services
- Injection, denosumab, 1 mg (J0897)2,160 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 pressure65%
- High cholesterol55%
- Osteoporosis30%
- Diabetes24%
- Chronic kidney disease21%
Hospitals where Shawn G. Macalester works
Medicare's Facility Affiliation Data lists Shawn G. Macalester 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.
- Adventist Health TillamookTillamook, OR · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 381317
- Columbia Memorial HospitalAstoria, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381320
- Hillsboro Medical CenterHillsboro, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380021
- Salem HospitalSalem, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380051
- Samaritan North Lincoln HospitalLincoln City, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381302
Practice locations
Addresses where Shawn G. Macalester is enrolled with Medicare (CMS data updated October 2, 2026).
- 545 SE Oak St, Suite FHillsboro, OR 97123 (971) 228‑8855
- 960 Liberty St SE, Suite 200Salem, OR 97302 (503) 399‑0652
Group practices
Medicare enrollment lists Shawn G. Macalester as a member of these groups (CMS data updated October 2, 2026).
- Oregon Rheumatology Clinics LLC4 clinicians in the group
- Salem Rheumatology and Infusions, LLC4 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in Oregon Rheumatology Clinics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871706218 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians