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Internal Medicine

Nicole A. Leong, MD

Works at hospitals in Honolulu, HI · Aiea, HI · Hawaii

Summary

Dr. Nicole A. Leong, MD is an internal medicine doctor at 888 S King St, Honolulu, HI 96813. Phone: (808) 522-4000. Accepts Medicare assignment. In 2024, Nicole A. Leong had 210 Original Medicare patients and 824 services. NPI 1093957425. 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 Nicole A. Leong, 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 Nicole A. Leong accept Medicare assignment?
Yes. Medicare's clinician data says Nicole A. Leong 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 Nicole A. Leong see?
In 2024, CMS data shows 210 Original Medicare patients and 824 services for Nicole A. Leong. This counts Original Medicare only and measures volume, not quality.
What is Nicole A. Leong's NPI number?
1093957425. 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 Nicole A. Leong, 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 patients210
Services billed to Medicare824
Different services or procedures13
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)308 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)275 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)192 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)21 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%
  • Chronic kidney disease58%
  • Diabetes30%
  • Osteoporosis25%
  • Arthritis20%

Hospitals where Nicole A. Leong works

Medicare's Facility Affiliation Data lists Nicole A. Leong 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 Nicole A. Leong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Straub Clinic and Hospital419 clinicians in the group

Specialties

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Honolulu

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

All internal medicine doctors in Honolulu →

Other clinicians in Straub Clinic and Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093957425
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