Internal medicine physician in Mercedes, Texas · NPI 1104920859
Pedro Penalo is one of 4 internal medicine physicians practicing in Mercedes, Texas. See all internal medicine physicians in Texas.
Pedro Penalo practices with Pedro J. Penalo, M.D., PLLC.
Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.