W. S. Sandeno, MD

Medicare activity in 2024

Official CMS public-use data for W. S. Sandeno, 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, methylprednisolone acetate, 1 mg (J1010)1,062 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)874 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)577 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)227 services
5. Hemoglobin a1c level (83036)136 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 cholesterol75%
• High blood pressure72%
• Arthritis46%
• Ischemic heart disease25%
• Diabetes22%
• Atrial fibrillation21%

Hospitals where W. S. Sandeno works

Medicare's Facility Affiliation Data lists W. S. Sandeno 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.

• PeaceHealth St Joseph Medical CenterBellingham, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500030

Practice locations

Addresses where W. S. Sandeno is enrolled with Medicare (CMS data updated October 2, 2026).

• 3001 Squalicum Pkwy, Suite 14aBellingham, WA 98225 (360) 788‑6934
• 3015 Squalicum PkwyBellingham, WA 98225
• 3125 Old Fairhaven Pkwy, Suite 106Bellingham, WA 98225 (360) 788‑8388

Group practices

Medicare enrollment lists W. S. Sandeno as a member of this group (CMS data updated October 2, 2026).

• PeaceHealth298 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Bellingham

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

• Richard V. Hegarty, MD
• Gittle G. Goodman, MD
• Sara B. Mostad, MD
• Glenn M. Garo, MD
• Dawn E. Hutchison, DO
• Rupesh Kumar, MD
• David A. Pash, DO
• Jaismeen Randhawa, MD

All internal medicine doctors in Bellingham →

Other clinicians in PeaceHealth

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

• Mary S. Schweigert, NP
• Michael B. Skare, PA
• Peter Pacut, MD
• Cindy R. Peers, NP
• Zane Carey, PA
• Danielle N. Parlin, PA

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