Quick answers
- Does Mark S. Zobel accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Zobel 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 Mark S. Zobel see?
- In 2024, CMS data shows 3,377 Original Medicare patients and 4,227 services for Mark S. Zobel. This counts Original Medicare only and measures volume, not quality.
- What is Mark S. Zobel's NPI number?
- 1235103953. 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 Mark S. Zobel, 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 | 3,377 |
|---|---|
| Services billed to Medicare | 4,227 |
| Different services or procedures | 120 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- X-ray of chest, 1 view (71045)1,126 services
- X-ray of chest, 2 views (71046)465 services
- X-ray of abdomen, 1 view (74018)197 services
- X-ray of hip, 2-3 views (73502)131 services
- Ct scan of abdomen and pelvis with contrast (74177)124 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 cholesterol75%
- Arthritis52%
- Ischemic heart disease35%
- Chronic kidney disease32%
- Atrial fibrillation32%
Hospitals where Mark S. Zobel works
Medicare's Facility Affiliation Data lists Mark S. Zobel 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.
- Evergreenhealth Medical CenterKirkland, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500124
- Overlake Hospital Medical Center & ClinicsBellevue, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500051
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500026
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
Practice locations
Addresses where Mark S. Zobel is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1035 116th Ave NEBellevue, WA 98004 (425) 688‑5000
- 1135 116th Ave NEBellevue, WA 98004 (425) 688‑0100
- 11521 NE 128th St, Suite 200Kirkland, WA 98034 (425) 952‑6100
- 13020 Meridian Ave SEverett, WA 98208 (425) 357‑3960
- 1600 E Jefferson St, Suite 300Seattle, WA 98122 (206) 386‑2677
Group practices
Medicare enrollment lists Mark S. Zobel as a member of these groups (CMS data updated October 2, 2026).
- Swedish Health Services1,037 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Swedish Health Services154 clinicians in the group
- Evergreen Radia LLC120 clinicians in the group
- Swedish Radia Imaging Center at Edmonds LLC112 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Other clinicians in Swedish Health Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235103953 |
| 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