Quick answers
- Does Chelsea R. Trask accept Medicare assignment?
- Yes. Medicare's clinician data says Chelsea R. Trask 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 Chelsea R. Trask see?
- In 2024, CMS data shows 396 Original Medicare patients and 1,512 services for Chelsea R. Trask. This counts Original Medicare only and measures volume, not quality.
- What is Chelsea R. Trask's NPI number?
- 1346748365. 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 Chelsea R. Trask, 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 | 396 |
|---|---|
| Services billed to Medicare | 1,512 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)400 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)308 services
- Destruction of precancer skin growth, 1 growth (17000)187 services
- Destruction of skin growth, 1-14 growths (17110)129 services
- Biopsy of related skin growth, first growth (11102)122 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 cholesterol65%
- High blood pressure52%
- Arthritis39%
- Osteoporosis20%
- Anxiety18%
- Depression15%
Hospitals where Chelsea R. Trask works
Medicare's Facility Affiliation Data lists Chelsea R. Trask 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.
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
- Providence Alaska Medical CenterAnchorage, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020001
Practice locations
Addresses where Chelsea R. Trask is enrolled with Medicare (CMS data updated October 2, 2026).
- 10215 SW Hall BlvdTigard, OR 97223 (503) 245‑2415
- 188 W Northern Lights Blvd, Suite 800Anchorage, AK 99503 (907) 646‑8500
- 3841 Piper St, Suite T4 020Anchorage, AK 99508 (907) 646‑8500
Group practices
Medicare enrollment lists Chelsea R. Trask as a member of this group (CMS data updated October 2, 2026).
- Mountain West Derm - Blackhart PLLC105 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Tigard
Clinicians with the same Medicare primary specialty in Tigard, OR — not a recommendation.
Other clinicians in Mountain West Derm - Blackhart PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346748365 |
| 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