Quick answers
- Which hospitals does Carol Koiro work at?
- Medicare's official clinician data lists Carol Koiro at 2 hospitals: Island Hospital and Whidbeyhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Carol Koiro see patients?
- Medicare's clinician data lists 2 practice locations, including Coupeville, WA. Call before your visit to confirm the address.
- What is Carol Koiro's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Carol Koiro accept Medicare assignment?
- Yes. Medicare's clinician data says Carol Koiro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Carol Koiro?
- (360) 678-7656, as listed in official Medicare / NPI Registry data.
- What is Carol Koiro's NPI number?
- 1780679399. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Carol Koiro works
Medicare's Facility Affiliation Data lists Carol Koiro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Island HospitalAnacortes, WA · Acute Care Hospital · CCN 500007
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · CCN 501339
Practice locations
Addresses where Carol Koiro is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 N Main St, Whidbeyhealth Medical CenterCoupeville, WA 98239 (360) 678‑7656
- 205 S Main St, Suite ACoupeville, WA 98239 (360) 240‑4013
Group practices
Medicare enrollment lists Carol Koiro as a member of this group (CMS data updated 2026-10-02).
- Whidbey Island Public Hospital District103 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780679399 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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