Jeffrey T. Hanspetersen, MD

Medicare activity in 2024

Official CMS public-use data for Jeffrey T. Hanspetersen, 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. Admn sarscov2 vacc 1 dose (90480)41 services
2. Administration of influenza virus vaccine (G0008)41 services
3. Influenza vaccine split virus, preservative free (90662)39 services
4. Sarscv2 vac 30mcg trs-suc im (91320)28 services
5. Hemoglobin a1c level (83036)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 pressure52%
• High cholesterol48%
• Arthritis34%
• Diabetes23%
• Atrial fibrillation18%
• Ischemic heart disease16%

Hospitals where Jeffrey T. Hanspetersen works

Medicare's Facility Affiliation Data lists Jeffrey T. Hanspetersen 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.

• St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
• Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027

Practice locations

Addresses where Jeffrey T. Hanspetersen is enrolled with Medicare (CMS data updated October 2, 2026).

• 10030 SW 210th StVashon, WA 98070 (206) 763‑5277

Group practices

Medicare enrollment lists Jeffrey T. Hanspetersen as a member of this group (CMS data updated October 2, 2026).

• Sea Mar Community Health Centers230 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Washington →

Other family doctors in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

• Thomas C. Erdmann, MD
• Bradley S. Roter, MD
• Aaron C. Lewis, MD
• Brent E. Whitehead, MD
• Patricia Siza, MD
• Shanette Bruce Owen, MD
• Meghan E. O'Brien, MD
• Gregory D. Rudolf, MD

All family doctors in Washington →

Other clinicians in Sea Mar Community Health Centers

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

• Julie S. Harvey
• Kylie R. Black, PA
• Brenda K. Grant, MD
• Diane Kaplan, MD
• Chantelle M. Paulson, NP
• Nydjia C. Lawrence

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