HealthcareDiscovery.AI / Doctors / Texas / Richardson / Diagnostic Radiology

Diagnostic Radiology in Richardson, Texas

Data updated monthly · Last refresh September 2026

8 Diagnostic Radiology providers practice in Richardson. Listings are drawn from federal public records and are not endorsements.

Diagnostic Radiology providers in Richardson

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Elizabeth Jekot, MD
Richardson, TX · No drug or device payments recorded (2025) · (469) 814-5500
Dr. Gary Webb, MD
Richardson, TX · No drug or device payments recorded (2025) · (972) 231-1441
Dr. John Ponzo, M.D.
Richardson, TX · No drug or device payments recorded (2025) · (303) 933-8270
Dr. Khoa Lam, M.D.
Richardson, TX · No drug or device payments recorded (2025) · (585) 922-4000
Dr. Nam Nguyen, MD
Richardson, TX · No drug or device payments recorded (2025) · (972) 231-1441
Dr. Thomas Johnson, MD
Richardson, TX · No drug or device payments recorded (2025) · (972) 498-4000
Dr. Thomas Ruhnke, M.D.
Richardson, TX · $16 in drug and device payments (2025) · (469) 204-5000
Dr. Timothy Georgelas, MD
Richardson, TX · No drug or device payments recorded (2025) · (972) 498-4000

Common questions

How many Diagnostic Radiology providers are in Richardson, Texas?

There are 8 Diagnostic Radiology providers with active NPI records practicing in Richardson, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Richardson Diagnostic Radiology across Texas

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.