Quick answers
- Which hospitals does Allen C. Johnson work at?
- Medicare's official clinician data lists Allen C. Johnson at 3 hospitals: Kauai Veterans Memorial Hospital, Straub Clinic and Hospital and Wilcox Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allen C. Johnson see patients?
- Medicare's clinician data lists 1 practice location in Lihue, HI. Call before your visit to confirm the address.
- What is Allen C. Johnson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Allen C. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Allen C. Johnson 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 Allen C. Johnson?
- (808) 245-1500, as listed in official Medicare / NPI Registry data.
- What is Allen C. Johnson's NPI number?
- 1134224686. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allen C. Johnson works
Medicare's Facility Affiliation Data lists Allen C. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kauai Veterans Memorial HospitalWaimea, HI · Critical Access Hospital · CCN 121300
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · CCN 120022
- Wilcox Memorial HospitalLihue, HI · Acute Care Hospital · CCN 120014
Practice locations
Addresses where Allen C. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 3-3420 Kuhio Hwy, Suite BLihue, HI 96766 (808) 245‑1500
Group practices
Medicare enrollment lists Allen C. Johnson as a member of this group (CMS data updated 2026-10-02).
- Kauai Medical Clinic147 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134224686 |
| 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