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Medical Microbiologists in Texas

Data updated monthly · Last refresh October 2026

3 Medical Microbiology providers practice in Texas. The largest concentration is in Round Rock. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

3providers
Round Rocktop city

Medical Microbiology by city in Texas

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Medical Microbiology in Round Rock1 providers
Medical Microbiology in Dallas1 providers
Medical Microbiology in San Antonio1 providers

Medical Microbiology providers in Texas

Listed by city, largest first. 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. Adnan Alatoom, MD, PHD
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-0355
Dr. Daniel Portillo
Round Rock, TX · No drug or device payments recorded (2025) · (512) 832-9145
Dr. Kristin Fiebelkorn, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 567-4003

Common questions

How many Medical Microbiology providers are in Texas?

There are 3 Medical Microbiology providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.

Which cities in Texas have the most Medical Microbiology providers?

Round Rock (1), Dallas (1), San Antonio (1) have the highest concentration of Medical Microbiology providers in Texas.

Where does this data come from?

Provider counts and profiles 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.

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Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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. Are you a Medical Microbiology in Texas? Get featured.