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Internal Medicine

Owen V. Muana, MD

Works at hospitals in Waimea, HI · Lihue, HI · Hawaii

Summary

Owen V. Muana, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Waimea, HI and Lihue, HI. NPI 1124327226. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Owen V. Muana, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Hoola Lahui HawaiiGroup practice

Quick answers

Which hospitals does Owen V. Muana work at?
Medicare's official clinician data lists Owen V. Muana at 2 hospitals: Kauai Veterans Memorial Hospital and Wilcox Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Owen V. Muana see patients?
Medicare's clinician data lists 2 practice locations, including Waimea, HI. Call before your visit to confirm the address.
What is Owen V. Muana's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
Does Owen V. Muana accept Medicare assignment?
Yes. Medicare's clinician data says Owen V. Muana 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 Owen V. Muana?
(808) 338-1855, as listed in official Medicare / NPI Registry data.
What is Owen V. Muana's NPI number?
1124327226. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Owen V. Muana works

Medicare's Facility Affiliation Data lists Owen V. Muana at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Owen V. Muana is enrolled with Medicare (CMS data updated 2026-10-02).

  • 4643 Waimea Canyon DrWaimea, HI 96796 (808) 338‑1855
  • PO Box, Suite 487Waimea, HI 96796

Group practices

Medicare enrollment lists Owen V. Muana as a member of this group (CMS data updated 2026-10-02).

  • Hoola Lahui Hawaii11 clinicians in the group

Specialties

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Hawaii

Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.

All internal medicine doctors in Hawaii →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124327226
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians