He is Professor of Medicine and Nephrology, Lewis Katz School of Medicine, Temple University, Philadelphia and Professor Emeritus, Drexel University College of Medicine, Philadelphia.

He has earned  board certifications in 5 specialties including Internal medicine , Nephrology, Critical care Medicine, Geriatrics and  Hypertension specialist.  He has trained hundreds of medical students,  medical residents,  Nephrology  fellows ,MPH and PhD students. He was the president of the medical staff of  Medical college of Pennsylvania. 

He was the founding member and  later became President of Bangladesh Medical Association of North America (BMANA). He is also founder editor of BMANA newsletter and Webpage.

He is the chairman of Physician panel of Bangladesh Environmental Network (BEN), vice chairman of distressed children and infant international USA.

Since 2007 he is visiting Bangladesh every year. He served as convener of  many national and international symposiums in Bangladesh. He started Continuous Peritoneal dialysis program, established first Infection control  program in Bangladesh  started   emergency medicine training program, Initiated  Medical education seminar and training jointly with USA based FAIMER/ECFMG. He was USA coordinator of First Non Resident Bangladeshi  convention in 2007.

In USA amongst many other activities, he is giving leadership to the  diaspora community to uphold the very rich Bengali cultural and literary identity.

He was chairman and convener of 33 year old annual NY Bangla book fair.

Realizing the enormous need he  along with Biswajit Saha initiated effort to establish US Bangladesh  trade fair in NY for some years. This results in a very successful business fair which is visibly  improving  the  business connection  between the two countries  and boosting  the mutual opportunities.

 He is the president and founder of Kidney Foundation Sylhet  in 2017 ,  a non profit Kidney center which is providing dialysis free to 40% patients and with minimum cost to others. During COVID Kidney foundation  started two free Corona isolation and treatment centers with its own fund  when only one 100 bed government hospital was open for COVID patients in the ton. On   January 11 , 2025  the kidney  foundation about to start their 10 stories charity  Hospital under public private partnership scheme under Bangladesh  ministry of social welfare. 

 He had received many awards in Bangladesh and USA including award  for excellent teaching , Drexel university President’s silver medal award for community service and Global health award ,Chairman of Bangladesh Red cross award for improving health care in Bangladesh, life time achievement award of Bangladesh Medical Association of North America ,  received US congress approved prestigious Ellis island Medal of honor in 2018 for significant contribution to improve the life of people and society  in USA and native country in Bangladesh. He has received Health equity leadership and social justice award by Temple University School of Medicine in 2023.