Quick answers
- Which hospitals does Samuel E. Johnsen work at?
- Medicare's official clinician data lists Samuel E. Johnsen at 1 hospital: Maui Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Samuel E. Johnsen see patients?
- Medicare's clinician data lists 2 practice locations, including Lahaina, HI and Wailuku, HI. Call before your visit to confirm the address.
- What is Samuel E. Johnsen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Samuel E. Johnsen accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel E. Johnsen 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.
- Does Samuel E. Johnsen offer telehealth?
- Medicare's clinician data says Samuel E. Johnsen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Samuel E. Johnsen?
- (808) 214-5985, as listed in official Medicare / NPI Registry data.
- What is Samuel E. Johnsen's NPI number?
- 1669491858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Samuel E. Johnsen works
Medicare's Facility Affiliation Data lists Samuel E. Johnsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Maui Memorial Medical CenterWailuku, HI · Acute Care Hospital · CCN 120002
Practice locations
Addresses where Samuel E. Johnsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 180 Dickenson St, Suite 103Lahaina, HI 96761
- 40 Uahaa PlWailuku, HI 96793 (808) 214‑5985
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669491858 |
| 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