Zachary A. Martin, MD

Medicare activity in 2024

Official CMS public-use data for Zachary A. Martin, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)208 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)99 services
3. Emergency department visit with moderate level of medical decision making (99284)90 services
4. X-ray of chest, 1 view (71045)12 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 blood pressure75%
• High cholesterol75%
• Diabetes43%
• Arthritis39%
• Chronic kidney disease39%
• Ischemic heart disease35%

Hospitals where Zachary A. Martin works

Medicare's Facility Affiliation Data lists Zachary A. Martin 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.

• Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
• Molokai General HospitalKaunakakai, HI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 121303
• The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001

Practice locations

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

• 128 Lehua StWahiawa, HI 96786 (808) 621‑8411
• 640 Ulukahiki StKailua, HI 96734 (808) 263‑5164

Group practices

Medicare enrollment lists Zachary A. Martin as a member of this group (CMS data updated October 2, 2026).

• Hawaii Emergency Physicians Associated Inc120 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Hawaii →

Other emergency medicine doctors in Wahiawa

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

• Andrew M. Summersgill, MD
• Philipp Klotz, MD
• Benjamin M. Weissman, MD
• Spencer M. Salazar, MD
• Lashell K. Labounty, DO
• Ryan C. Conklin, MD
• Daniel Cheng, MD
• Daniel J. Coquyt, MD

All emergency medicine doctors in Wahiawa →

Other clinicians in Hawaii Emergency Physicians Associated Inc

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

• Zoe Howard, MD
• Thomas M. Crew, DO
• Benjamin E. Foorman, MD
• Nicolaus S. Hoggan, MD
• David E. Brush, MD
• Alejandra I. Cano, MD

Clinician information

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