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

Dermatology

John J. Ghidoni Iii, MD

Sees patients in Tyler, TX · Kerrville, TX · Fredericksburg, TX · Texas

Summary

Dr. John J. Ghidoni Iii, MD is a dermatologist at 1367 Dominion Plz, Tyler, TX 75703. Phone: (903) 534-6200. Accepts Medicare assignment. In 2024, John J. Ghidoni Iii had 582 Original Medicare patients and 1,917 services. NPI 1003829920. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 1367 Dominion Plz, Tyler, TX 75703 · Directions (2 more locations)
  • Phone: (903) 534‑6200
  • Medicare: Accepts Medicare assignment
  • Group practice: Oliver Street 5.01(A) Inc
  • Medical school: Texas Tech University Health Science Center School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John J. Ghidoni Iii, 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 John J. Ghidoni Iii accept Medicare assignment?
Yes. Medicare's clinician data says John J. Ghidoni Iii 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 John J. Ghidoni Iii see?
In 2024, CMS data shows 582 Original Medicare patients and 1,917 services for John J. Ghidoni Iii. This counts Original Medicare only and measures volume, not quality.
What is John J. Ghidoni Iii's NPI number?
1003829920. 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 John J. Ghidoni Iii, 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 patients582
Services billed to Medicare1,917
Different services or procedures74
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)501 services
  2. Epicord, per square centimeter (Q4187)205 services
  3. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)201 services
  4. Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm (12052)137 services
  5. Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm (12032)115 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 pressure73%
  • Arthritis41%
  • Ischemic heart disease23%
  • Diabetes19%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%

Practice locations

Addresses where John J. Ghidoni Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John J. Ghidoni Iii as a member of this group (CMS data updated October 2, 2026).

  • Oliver Street 5.01(A) Inc168 clinicians in the group

Specialties

Find other Dermatology doctors in Texas →

Other dermatologists in Tyler

Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.

All dermatologists in Tyler →

Other clinicians in Oliver Street 5.01(A) Inc

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

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003829920
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