Photo of Sriram  Machineni, MBBS

Machineni, Sriram, MBBS


Accepting New Patients




Centers & Specialties

Digestive Healthcare 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
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
Foreign Languages
  • Telugu
  • Hindi
  • Boston: Massachusetts General Hospital
Patient Gateway
Yes, learn more
Insurances Accepted
  • Aetna Health Inc.
  • Beech Street
  • 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
  • MassHealth
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • Private Health Care Systems (PHCS)
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group

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Dr. Machineni attended medical school at the All India Institute of Medical Sciences and completed his in Internal Medicine from the State University of New York at Buffalo. He served as the chief medical resident at the Buffalo General hospital and later in the roles of Director of the Primary Medicine and the Weight Management clinics. Dr. Machineni conducted clinical research in diabetes and weight loss surgery at the New York Nutrition Obesity Research Center. He completed a clinical and research fellowship in Obesity Medicine and Nutrition at the Massachusetts General Hospital (MGH) and serves in the role of Assistant in Medicine at MGH and an Instructor in Medicine at Harvard Medical School. He conducts translational clinical research aimed at finding novel therapies for obesity and is an organizing member of the Annual Blackburn course in Obesity Medicine which teaches physicians from around the world about the management of obesity

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Research & Publications

Research Summary
Dr. 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.
  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.

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Weight Center, MGH
50 Staniford Street
4th Floor
Boston, MA 02114-2517
Phone: 617-726-4400
Fax: 617-724-6565

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