Quick answers
- Does Yana Parker accept Medicare assignment?
- Yes. Medicare's clinician data says Yana Parker 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 Yana Parker see?
- In 2024, CMS data shows 495 Original Medicare patients and 1,625 services for Yana Parker. This counts Original Medicare only and measures volume, not quality.
- What is Yana Parker's NPI number?
- 1629495171. 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 Yana Parker, 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 | 495 |
|---|---|
| Services billed to Medicare | 1,625 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)122 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)104 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)82 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)79 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 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 pressure66%
- High cholesterol65%
- Arthritis45%
- Diabetes24%
- Chronic kidney disease23%
- Anxiety22%
Hospitals where Yana Parker works
Medicare's Facility Affiliation Data lists Yana Parker 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.
- Jefferson HealthcarePort Townsend, WA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 501323
- 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 Yana Parker is enrolled with Medicare (CMS data updated October 2, 2026).
- 3261 NW Mount Vintage Way, Suite 221Silverdale, WA 98383 (360) 792‑9118
Group practices
Medicare enrollment lists Yana Parker as a member of this group (CMS data updated October 2, 2026).
- Washington Gastroenterology PLLC143 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Silverdale
Clinicians with the same Medicare primary specialty in Silverdale, WA — not a recommendation.
Other clinicians in Washington Gastroenterology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629495171 |
| 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