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Office
1901 S 1st St
Ste 600
McAllen, TX 78503Phone+1 956-631-6136Fax+1 956-631-1848- Is this information wrong?
Education & Training
- University of Kansas School of MedicineFellowship, Nephrology, 1993 - 1994
- Baylor College of MedicineResidency, Internal Medicine, 1989 - 1992
- Tecnologico de Monterrey Escuela de MedicinaClass of 1985
Certifications & Licensure
- TX State Medical License 1992 - 2025
- KS State Medical License 1992 - 2020
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Nephrology
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Publications & Presentations
PubMed
- Long-term immunogenicity and safety of the hepatitis B vaccine HepB-CpG (HEPLISAV-B) compared with HepB-Eng (Engerix-B) in adults with chronic kidney disease.Matthias Girndt, Patricia Houser, Roberto Manllo-Karim, John E Ervin, Chaim Charytan, Stephen Chow, Margarita Symonian-Silver, Lawrence Lehrner, Douglas Linfert, Dougl...> ;Vaccine. 2023 May 11
- 47 citationsA Randomized Trial of Roxadustat in Anemia of Kidney Failure: SIERRAS StudyChaim Charytan, Roberto Manllo-Karim, Edouard R Martin, Dylan Steer, Marializa V. Bernardo, Sohan Dua, Moustafa A. Moustafa, Gopal Saha, Charles Bradley, Meraf Eyassu,...> ;Kidney International Reports. 2021 Apr 17
Hospital Affiliations
- McAllen Medical CenterMcAllen, Texas
- Rio Grande Regional HospitalMcAllen, Texas
- Doctor's Hospital at RenaissanceEdinburg, Texas
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