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Emergency Medicine

Gregory Calkins, MD

Sees patients in Kamuela, HI · Hawaii

Summary

Gregory Calkins, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Kamuela, HI. NPI 1043291206. 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 Gregory Calkins, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
48Years since medical school (graduated 1978)
MaleGender (as listed)
Duerler IncGroup practice

Quick answers

Where does Gregory Calkins see patients?
Medicare's clinician data lists 1 practice location in Kamuela, HI. Call before your visit to confirm the address.
What is Gregory Calkins's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Gregory Calkins accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Calkins 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 Gregory Calkins?
(808) 769-5010, as listed in official Medicare / NPI Registry data.
What is Gregory Calkins's NPI number?
1043291206. 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 Gregory Calkins is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory Calkins as a member of this group (CMS data updated 2026-10-02).

  • Duerler Inc8 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Hawaii →

Other emergency medicine doctors in Kamuela

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

All emergency medicine doctors in Kamuela →

Clinician information

CredentialMD
Graduation year1978
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043291206
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