Quick answers
- Does Michael R. Spieker accept Medicare assignment?
- Yes. Medicare's clinician data says Michael R. Spieker 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 Michael R. Spieker see?
- In 2024, CMS data shows 91 Original Medicare patients and 300 services for Michael R. Spieker. This counts Original Medicare only and measures volume, not quality.
- What is Michael R. Spieker's NPI number?
- 1710968672. 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 Michael R. Spieker, 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 | 91 |
|---|---|
| Services billed to Medicare | 300 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)48 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 services
- 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)28 services
- Advance care planning, first 30 minutes (99497)11 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 cholesterol73%
- Arthritis57%
- Anxiety33%
- Diabetes30%
- Chronic kidney disease26%
Hospitals where Michael R. Spieker works
Medicare's Facility Affiliation Data lists Michael R. Spieker 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
- St Michael Medical CenterSilverdale, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500039
Practice locations
Addresses where Michael R. Spieker is enrolled with Medicare (CMS data updated October 2, 2026).
- 11511 Canterwood BlvdGig Harbor, WA 98332
- 11511 Canterwood Blvd NW, Suite 100Gig Harbor, WA 98332 (253) 627‑1244
- 1812 S J St, Suite 120Tacoma, WA 98405 (253) 428‑2200
- 4205 Kitsap WayBremerton, WA 98312 (360) 782‑7780
- 4207 Kitsap WayBremerton, WA 98312 (360) 415‑1080
Group practices
Medicare enrollment lists Michael R. Spieker as a member of this group (CMS data updated October 2, 2026).
- Franciscan Medical Group1,421 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Gig Harbor
Clinicians with the same Medicare primary specialty in Gig Harbor, WA — not a recommendation.
Other clinicians in Franciscan Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710968672 |
| 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