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Diagnostic Radiology

Martin R. Engel, MD

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

Summary

Dr. Martin R. Engel, MD is a radiologist at 2829 Ala Kalani Kaumaka St, Suite B 201, Koloa, HI 96756. Phone: (808) 742-0999. Accepts Medicare assignment. In 2024, Martin R. Engel had 829 Original Medicare patients and 1,317 services. NPI 1578583431. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Martin R. Engel, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Martin R. Engel accept Medicare assignment?
Yes. Medicare's clinician data says Martin R. Engel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Martin R. Engel see?
In 2024, CMS data shows 829 Original Medicare patients and 1,317 services for Martin R. Engel. This counts Original Medicare only and measures volume, not quality.
What is Martin R. Engel's NPI number?
1578583431. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Martin R. Engel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients829
Services billed to Medicare1,317
Different services or procedures132
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. X-ray of chest, 1 view (71045)218 services
  2. Ct scan head or brain without contrast (70450)138 services
  3. Ct scan of abdomen and pelvis with contrast (74177)59 services
  4. X-ray of chest, 2 views (71046)55 services
  5. X-ray of foot, minimum of 3 views (73630)35 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure74%
  • Arthritis41%
  • Chronic kidney disease32%
  • Diabetes29%
  • Heart failure24%

Hospitals where Martin R. Engel works

Medicare's Facility Affiliation Data lists Martin R. Engel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Martin R. Engel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin R. Engel as a member of these groups (CMS data updated October 2, 2026).

  • Kauai Medical Clinic147 clinicians in the group
  • Samuel Mahelona Memorial Hospital47 clinicians in the group
  • Kauai Veterans Memorial Hospital17 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Hawaii →

Other radiologists in Hawaii

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

All radiologists in Hawaii →

Other clinicians in Kauai Medical Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578583431
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians