- Department of Medicine
- Digestive Healthcare Center
- Weight Center
- Clinical Interests
- Multi-disciplinary management of obesity
- Weight loss medication use for treatment of obesity
- Nutritional deficiencies after bariatric surgery
- Inadequate weight loss after bariatric surgery
- Weight regain after bariatric surgery
- Boston: Massachusetts General Hospital
- Medical Education
- MBBS, All India Institute of Medical Sciences
- Residency, All India Institute of Medical Sciences
- Residency, Apollo Hospital
- Residency, Buffalo General Hospital/Kaleida
- Residency, Erie County Medical Center
- Fellowship, Massachusetts General Hospital
- Board Certifications
- Internal Medicine, American Board of Internal Medicine
- Foreign Languages
- Accepting New Patients
- Insurances Accepted
- Aetna Health Inc.
Blue Cross Blue Shield - Blue Care 65
Blue Cross Blue Shield - Indemnity
Blue Cross Blue Shield - Managed Care
Blue Cross Blue Shield - Partners Plus
Cigna (PAL #'s)
Fallon Community HealthCare
Great-West Healthcare (formally One Health Plan)
Harvard Pilgrim Health Plan - ACD
Harvard Pilgrim Health Plan - PBO
Health Care Value Management (HCVM)
Humana/Choice Care PPO
Medicare - ACD
Neighborhood Health Plan - ACD
Neighborhood Health Plan - PBO
OSW - New Hampshire
OSW - Rhode Island
Private Health Care Systems (PHCS)
Senior Whole Health
Tufts Health Plan
United Healthcare (non-HMO) - ACD
United Healthcare (non-HMO) - PBO
BiographyDr. Machineni attended medical school at the All India Institute of Medical Sciences and completed his residency in Internal Medicine from the State University of New York at Buffalo. He was recruited as staff physician at the Buffalo General Hospital, after serving as the chief medical resident. At the Buffalo General hospital, he served in the roles of Director of the Primary Medicine and the Weight Management clinics. Dr. Machineni moved to New York City to conduct clinic research in diabetes and weight loss surgery and worked with Dr. Blandine Laferrere at the New York Nutrition and Obesity Research Center. He then moved to Boston to pursue a clinical and research fellowship in Obesity Medicine and Nutrition at the Massachusetts General Hospital (MGH). He presently serves in the role of Assistant in Medicine at MGH and holds the appointment of Instructor in Medicine at Harvard Medical School.
ResearchDr. Machineni's research focus is the exploration of mechanisms of action of bariatric surgery and energy balance regulation. His work is aimed towards helping design novel, effective and safe therapies for obesity. He is presently involved in clinical research as well as animal model research projects studying the the determinants of the weight outcomes after gastric bypass and the influence that nutrition has on energy balance regulation. He is a part of ongoing clinical research studies and medication trials at the MGH weight center.
- Liou AP, Paziuk M, Luevano JM Jr, Machineni S, Turnbaugh PJ, Kaplan LM. Conserved shifts in thegut microbiota due to gastric bypass reduce host weight and adiposity. Sci Transl Med., 2013.5(178):178ra41.
- Bose M, Machineni S, Oliv?n B, Teixeira J, McGinty JJ, Bawa B, Koshy N, Laferr?re B. Superior appetite hormone profile after equivalent weight loss by gastric bypass compared to gastric banding.Obesity, 2010. 18(6):1085-91. PMCID: 2877144.
- Bose M, Teixeira J, Oliv?n B, Bawa B, Arias S, Machineni S, Pi-Sunyer FX, Scherer PE, Laferr?re B. Weight loss and incretin responsiveness improve glucose control independently after gastric bypass surgery. J Diabetes, 2010. 2(1):47-55. PMCID: 2910618.
- Kumar, R., A.K. Padhy, S. Machineni, A.K. Pandey, and A. Malhotra. Individual kidney glomerular filtration rate in the interpretation of non-diagnostic curves on captopril renography. Nucl Med Commun, 2000. 21(7): p. 637-43.
- Kumar, R., S. Dilip, A.K. Padhy, R. Malhotra, A. Malhotra, S. Machineni, and R. Sharma.Three-phase bone imaging in the early diagnosis of osteochondritis dissecans of the patella.Clin Nucl Med, 1998. 23(8): p. 540-1.
Weight Center, MGH
50 Staniford Street
Boston, MA 02114-2517
U.S. News & World Report ranks Mass General gastroenterology third among U.S. hospitals.