Fermin Serna, APRN,FNP-C Primary Specialty: Occupational Medicine Languages Spoken: English, Spanish Affiliations Shannon Clinic - North Shannon Specialty Clinic - Del Rio Education Board Certification American Academy of Nurse Practitioners Undergraduate Angelo State UniversitySan Angelo, TX Graduate School Angelo State UniversitySan Angelo, TX Ratings 212 Ratings, 36 Comments 10/22/2026 Mr.Serna is very friendly and professional and is easy to understand when he speaks to the patient. 10/02/2026 Very professional, he listens to what I have to say 08/20/2026 Thank you 08/15/2026 Excelente doctor. Y las recepcionistas muy amables y atentas, también las enfermeras. Show More