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Interventional Radiology

Carlos R. Hamilton Iii, MD

Sees patients in Round Rock, TX · San Antonio, TX · Texas

Summary

Dr. Carlos R. Hamilton Iii, MD is an interventional radiologist at 1650 Round Rock Ave, Suite 100, Round Rock, TX 78681. Phone: (866) 552-4866. Accepts Medicare assignment. In 2024, Carlos R. Hamilton Iii had 209 Original Medicare patients and 1,282 services. NPI 1225077308. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Interventional radiologist (Medicare lists Interventional Radiology)
  • Address: 1650 Round Rock Ave, Suite 100, Round Rock, TX 78681 · Directions (1 more location)
  • Phone: (866) 552‑4866
  • Medicare: Accepts Medicare assignment
  • Group practice: Interventional Partners PLLC
  • Medical school: University Of Texas Medical Branch At Galveston · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Carlos R. Hamilton 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 Carlos R. Hamilton Iii accept Medicare assignment?
Yes. Medicare's clinician data says Carlos R. Hamilton 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 Carlos R. Hamilton Iii see?
In 2024, CMS data shows 209 Original Medicare patients and 1,282 services for Carlos R. Hamilton Iii. This counts Original Medicare only and measures volume, not quality.
What is Carlos R. Hamilton Iii's NPI number?
1225077308. 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 Carlos R. Hamilton 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 patients209
Services billed to Medicare1,282
Different services or procedures19
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance (36466)290 services
  2. Laser destruction of incompetent vein of arm or leg using imaging guidance (36478)191 services
  3. Ultrasound study of arm or leg veins with compression and maneuvers (93970)184 services
  4. Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance (36475)159 services
  5. Injection of chemical agent into single incompetent vein of leg using ultrasound guidance (36465)120 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%
  • Arthritis54%
  • Diabetes35%
  • Ischemic heart disease30%
  • Chronic kidney disease25%

Practice locations

Addresses where Carlos R. Hamilton Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carlos R. Hamilton Iii as a member of this group (CMS data updated October 2, 2026).

  • Interventional Partners PLLC95 clinicians in the group

Specialties

Find other Interventional Radiology doctors in Texas →

Other interventional radiologists in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All interventional radiologists in Texas →

Other clinicians in Interventional Partners PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225077308
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