Quick answers
- Does Colleen M. Koorn accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen M. Koorn 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 Colleen M. Koorn see?
- In 2024, CMS data shows 122 Original Medicare patients and 139 services for Colleen M. Koorn. This counts Original Medicare only and measures volume, not quality.
- What is Colleen M. Koorn's NPI number?
- 1023755774. 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 Colleen M. Koorn, 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 | 122 |
|---|---|
| Services billed to Medicare | 139 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)62 services
- Hospital discharge day management, more than 30 minutes (99239)38 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)30 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%
- Arthritis48%
- Depression36%
- Ischemic heart disease35%
- Anxiety35%
Hospitals where Colleen M. Koorn works
Medicare's Facility Affiliation Data lists Colleen M. Koorn 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.
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
Practice locations
Addresses where Colleen M. Koorn is enrolled with Medicare (CMS data updated October 2, 2026).
- 11120 NE 33rd Pl, Suite 202Bellevue, WA 98004 (888) 637‑9669
- 1321 Colby AveEverett, WA 98201 (425) 261‑2000
- 1321 Colby Ave, Suite B400Everett, WA 98201 (425) 297‑5234
- 2600 Compass RdGlenview, IL 60026
- 4112 Harbour Pointe Blvd SW, Suite 100Mukilteo, WA 98275 (425) 347‑6330
Group practices
Medicare enrollment lists Colleen M. Koorn as a member of these groups (CMS data updated October 2, 2026).
- Select Rehabilitation, LLC2,046 clinicians in the group
- Select Outpatient Services Inc805 clinicians in the group
- Providence Health and Services- Washington529 clinicians in the group
- Seva Medical PLLC28 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Other clinicians in Select Rehabilitation, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023755774 |
| 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