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

Emergency Medicine

Nicholas M. Mauricio, MD

Works at hospitals in Honolulu, HI · Hawaii

Summary

Dr. Nicholas M. Mauricio, MD is an emergency medicine doctor at 3288 Moanalua Rd, Honolulu, HI 96819. Phone: (808) 432-0000. Accepts Medicare assignment. In 2024, Nicholas M. Mauricio had 36 Original Medicare patients and 39 services. NPI 1184155871. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 3288 Moanalua Rd, Honolulu, HI 96819 · Directions
  • Phone: (808) 432‑0000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital
  • Group practice: Hawaii Permanente Medical Group Inc
  • Medical school: Boston University School Of Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas M. Mauricio, 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 Nicholas M. Mauricio accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas M. Mauricio 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 Nicholas M. Mauricio see?
In 2024, CMS data shows 36 Original Medicare patients and 39 services for Nicholas M. Mauricio. This counts Original Medicare only and measures volume, not quality.
What is Nicholas M. Mauricio's NPI number?
1184155871. 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 Nicholas M. Mauricio, 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 patients36
Services billed to Medicare39
Different services or procedures5
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)27 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 pressure69%
  • High cholesterol58%
  • Diabetes44%
  • Chronic kidney disease42%
  • Heart failure33%
  • Atrial fibrillation33%

Hospitals where Nicholas M. Mauricio works

Medicare's Facility Affiliation Data lists Nicholas M. Mauricio 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 Nicholas M. Mauricio is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas M. Mauricio as a member of this group (CMS data updated October 2, 2026).

  • Hawaii Permanente Medical Group Inc704 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Hawaii →

Other emergency medicine doctors in Honolulu

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

All emergency medicine doctors in Honolulu →

Other clinicians in Hawaii Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184155871
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