Awards
- 
Best Doctor in Collin County “D Magazine” 2025
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Best Doctor in Collin County “D Magazine” 2024
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Dr. Maddala has been awarded as THE BEST Gastroenterologist in McKinney, Allen, Prosper and Celina by Living Magazine Best of Readers’ Choice for the year 2024
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Best Doctor in Collin County “D Magazine” 2023
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Dr. Maddala has been awarded as THE BEST Gastroenterologist in McKinney, Allen, Prosper and Celina by Living Magazine for the year 2023
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Dr. Maddala has been awarded as THE BEST Gastroenterologist in McKinney, Allen, Prosper and Celina by Living Magazine for the year 2022
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Best Doctor in Collin County “D Magazine” 2022
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Dr. Maddala has been awarded as THE BEST Gastroenterologist in McKinney, Allen, Prosper and Celina by Living Magazine for the year 2021
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Best Doctor in Collin County “D Magazine” 2021
 - Dr. Maddala has been awarded as THE BEST Gastroenterologist in McKinney, Allen, Prosper and Celina by Living Magazine for the year 2020
 - Best Doctor in Collin County “D Magazine” 2020
 - Best Doctor in Collin County “D Magazine” 2019
 - Best Doctor in Collin County and Dallas “D Magazine” 2018
 - Best Doctor in Collin County and Dallas “D Magazine” 2017
 - Best Doctor in Collin County and Dallas “D Magazine” 2015 – 2016
 
Honors
- Oral Presentation of an abstract “Cumulative Drop Out From the UNOS Waiting List for Patients with Hepatocellular Carcinoma (HCC): Implications for Organ Allocation Policy for the American Transplant Congress meeting, May 2003
 - Oral Presentation of the abstract: Primary Biliary Cirrhosis-Role of Chlamydia & treatment with Tetracyline at NACGF(North American Conference for Gastroenterology Fellows) 2004
 - Poster Presentation (two) at the ACG Meeting, 2004:
 
1. Small Bowel Volvulus: Unusual Presentation of Progressive Systemic Sclerosis
2. Endoscopic Biopsy Negative Esophageal Metastasis-Diagnosis by Endoscopic Ultrasound
- Awarded First Prize at the Research Day Competition held at Allegheny General Hospital 2004
 - National Talent Search Scholarship, National Council for Educational Research and Training, NCERT, India. 1990-1994
 
Publications
- Open-label pilot study of tetracycline in the treatment of primary biliary cirrhosis. American Journal of Gastroenterology. 2004 March; 99(3):566-7
 - Drop-out rates of patients with hepatocellular cancer listed for liver transplantation: outcome with chemoembolization. Liver Transplant. 2004 March; 10(3):449-55
 
Former Appointments
- Instructor of Medicine at the Mayo Medical School, Rochester, Minnesota
 - Member of the Institutional Research Review Board – Atlantic Health System, NJ
 - Clinical Assistant Instructor- Department of Medicine, SUNY Health Science Center at Syracuse, NY