Quick answers
- Which hospitals does Karen Johnston work at?
- Medicare's official clinician data lists Karen Johnston at 1 hospital: Alaska Native Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Johnston see patients?
- Medicare's clinician data lists 1 practice location in Copper Center, AK. Call before your visit to confirm the address.
- What is Karen Johnston's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Karen Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Johnston 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 Karen Johnston?
- (907) 822-5241, as listed in official Medicare / NPI Registry data.
- What is Karen Johnston's NPI number?
- 1962999433. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Johnston works
Medicare's Facility Affiliation Data lists Karen Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alaska Native Medical CenterAnchorage, AK · Acute Care Hospital · CCN 020026
Practice locations
Addresses where Karen Johnston is enrolled with Medicare (CMS data updated 2026-10-02).
- Mile 111 5 Richardson Hwy, Copper River Native AssociationCopper Center, AK 99573 (907) 822‑5241
Group practices
Medicare enrollment lists Karen Johnston as a member of this group (CMS data updated 2026-10-02).
- Ahtna T' Aene Nene'15 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Alaska
Clinicians with the same Medicare primary specialty in Alaska — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962999433 |
| 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