Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Duffy M. Casey, MD

Sees patients in Wailuku, HI · Hawaii

Summary

Duffy M. Casey, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Wailuku, HI. NPI 1346478161. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Duffy M. Casey, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Eastern Virginia Medical SchoolMedical school
MaleGender (as listed)
Community Clinic of Maui IncGroup practice

Quick answers

Where does Duffy M. Casey see patients?
Medicare's clinician data lists 2 practice locations, including Wailuku, HI. Call before your visit to confirm the address.
What is Duffy M. Casey's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Duffy M. Casey accept Medicare assignment?
Yes. Medicare's clinician data says Duffy M. Casey 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 Duffy M. Casey?
(808) 871-7772, as listed in official Medicare / NPI Registry data.
What is Duffy M. Casey's NPI number?
1346478161. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Duffy M. Casey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Duffy M. Casey as a member of this group (CMS data updated 2026-10-02).

  • Community Clinic of Maui Inc20 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Hawaii →

Other OB-GYNs in Wailuku

Clinicians with the same Medicare primary specialty in Wailuku, HI — not a recommendation.

All OB-GYNs in Wailuku →

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346478161
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians