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Dermatology

Charles T. Mauro Iv, MD

Sees patients in Hilo, HI · Hawaii

Summary

Dr. Charles T. Mauro Iv, MD is a dermatologist at 868 Ululani St, Hilo, HI 96720. Phone: (808) 961-3427. May accept Medicare assignment. In 2024, Charles T. Mauro Iv had 683 Original Medicare patients and 5,893 services. NPI 1205840469. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 868 Ululani St, Hilo, HI 96720 · Directions (1 more location)
  • Phone: (808) 961‑3427
  • Medicare: May accept Medicare assignment
  • Medical school: Medical University Of South Carolina College Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Charles T. Mauro Iv, 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 Charles T. Mauro Iv accept Medicare assignment?
Medicare's clinician data says Charles T. Mauro Iv may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Charles T. Mauro Iv see?
In 2024, CMS data shows 683 Original Medicare patients and 5,893 services for Charles T. Mauro Iv. This counts Original Medicare only and measures volume, not quality.
What is Charles T. Mauro Iv's NPI number?
1205840469. 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 Charles T. Mauro Iv, 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 patients683
Services billed to Medicare5,893
Different services or procedures74
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)1,897 services
  2. Pathology examination of tissue using a microscope, intermediate complexity (88305)802 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)783 services
  4. Destruction of precancer skin growth, 1 growth (17000)424 services
  5. Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm (17262)316 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 pressure64%
  • Arthritis34%
  • Chronic kidney disease26%
  • Diabetes22%
  • Ischemic heart disease19%

Practice locations

Addresses where Charles T. Mauro Iv is enrolled with Medicare (CMS data updated October 2, 2026).

  • 868 Ululani StHilo, HI 96720
  • 868 Ululani St, Suite 103Hilo, HI 96743 (808) 961‑3427

Specialties

Find other Dermatology doctors in Hawaii →

Other dermatologists in Hilo

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

All dermatologists in Hilo →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1205840469
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians