Dr.P.N. Rao

Dr.P.N. Rao
Gastroenterologist, Hyderabad


  • 1 Hospital


Gastroenterologist, Asian Institute of Gastroenterology, Hyderabad 2006 -  Present

Gastroenterologist, Care Hospital, Hyderabad 2001 -  2006

Consultant Hepatologist and Gastroenterologist, Mediciti Hospitals, Hyderabad 1996 -  2001

Consultant Gastroenterology, Medwin Hospitals, Hyderabad 1990 -  1996

Associate Professor Department of Gastroenterology , Nizam’s Institute of Medical Sciences, Hyderabad 1989 -  1990

Assitant Professor, Osmania General Hospital, Hyderabad 1982 -  1986

Lecturer, Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh 1979 -  1982


  • Gastroenterology

  • Hepatology



  • MBBS from Kurnool Medical college, December, 1970
  • MD from Medical Education & Research, January, 1977 Chandigarh
  • DM from Medical Education & Research, January, 1979 Chandigarh

Practice Information

Asian Institute of Gastroenterology, Hyderabad

Asian Institute of Gastroenterology, Hyderabad

6 - 3 - 661, Somajiguda, Hyderabad, Telangana - 500082

Patient Experience

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Achievements & Contributions

  •  Dutta DV, Khuroo, MS, Rao PN, Aikat BK & Chuttani PN, Veno-occlusive disease (VOD) secondary to Hathisoond (Heliotropium) seed poisoning in two patients pretreated with phenobarbitone. Proceedings of 17th Annual Conference of Indian Society of Gastroenterology, Indore, 1976 (abstracted in Hepatologie XII 1976 page 401)
  • Datta DV Rao PN, Khuroo MS, Vashist S, Mitra SK, and Chhuttani PN. Membranous obstruction of the inferior vena cava associated with a valvular obstruction at the hepatico caval junction in one patient. Proceeding of the 17th
  • Annual conference of the Indian society of Gastroenterology, Indore, 1976 (abstracted in Hepatologie XII 1976 page 402)
  • Rao PN and Datta DV. Clinical experience with Rhone Poulenc ascites retransfustion apparatus. Proceedings of 17th annual conference of the Indian Society of Gastroenterology, Indore 1976 (abstracted in Hepatology XII, 1976 page 391)
  • Rao PN, Bhusnurmath SR and Naik SR. Typhoid fever manifesting with haematemesis, hepatitis and haemolysis
  • Journal of Tropical Medicine and Hygiene 1978 ;81: 146-150 
  • Mitra SK, Kumar V, Datta DV, RAO PN, Sandhu K, Singh GK, Sodhi JS and Pathak IC. Extrahepatic portal hypertension a review of 70 cases. Journal Pediatric Surgery 1978 ;13:51-54 
  • Naik SR, Rao PN, Datta DV, Mehta SK, Mahajan RC, Mehta S and Chhuttani PN. Kala azar in North Western India: a study of 24 patients. Transactions of Royal Society of Tropical Medicine and Hygine.1979; 73:61-65
  • Taneja P, Mitra SK, Moghe PD, RAO PN, Samatha N and Kumar L. Budd Chiari Syndrome in childhood secondary to inferior venacaval obstruction. Pediatrics.1979;63:803-812 
  • Dilawari JB and Rao PN. Acute dysentery. Tropical Gastroenterology 1980;1: 23-26 
  • Bhagwat AG, Rao PN, Koshy A and Prakash C. Ultra structure of alcoholic liver disease: A report of two cases. Indian Journal of Pathology and Microbiology 1981;24: 291-295 
  • RAO PN, Chopra JS, Mehta SK and Sawhney BB. Peripheral neuropathy in tropical sprue: A clinical, electrodiagnostic and histological study. Indian Journal of Medical Reasearch .1981; 74: 915-925
  • Dilawari JB, Philip A, RAO PN, Malik AK, Yadav K, Mitra SK and Phatak IC. Colonoscopic Polypectomy in Children. Indian Journal of Pediatrics, 1981;48: 773 – 776
  • Naik S, Naik SR, Rao PN, Sengupta S, Broor SL, Mehta SK, Sehgal S and Deodhar SD. Are histocompatibility antigens related to spondylytis associated with Idiopathic Ulcerative Colitis ? Proceedings of the Second Asia and Oceania. Histocompatibility workshop conference held at Melbourne,1981 December 13- 18th Pg 473 – 475
  • Dilawari JB, Katariya S, RAO PN, Anand BS and Sharma VP. Endoscopic retrograde cholangiopancreatography and percutaneous transphepatic cholangiographiy in obstructive jaundice. Indian journal of Medical Research, 1982; 75: 287-293 
  • Dilawari JB, Rao PN, Katariya S, Anand BS and Sharma VP. Experience with Endoscopic retrograde cholangiopancreatography (ERCP). Journal of Association of Physicians of India : 1982;30: 509-514 
  • Malik AK, Singh TD, Mukewar SV, Rao PN, Baroor SL, Dilawari JB and Mehta SK. Colorectal biopsies in inflammatory bowel disease: A light microscopic study. Asian Medical Journal 1983; 26: 132-137 
  • Naik S, Naik SR, Rao PN, Broor SL, Mehta SK and Seghal S. HLA Antigens in North Indians with ulcerative colitis. Indian Journal of Gastroenterology. 1984; 3: 17-18 
  • Dilawari JB, Singh S, Rao PN and Anand BS, Corrosive acid ingestion in Man. A clinical and endoscopic study. 1984, Gut 25: 183 – 187 
  • Dilawari JB, Mukewar SV, Rao PN, Kamath PS. Non-operative treatment of benign esophageal strictures. Indian Journal of Gastroenterology 1986; 5: 33-34 
  • Naik S, Naik SR, Rao PN, Mehta SK, Seghal SK, Lymphocytotoxic antibodies (LCTA) in Idiopathic ulcerative colitis. Indian Journal Gastroenterology,1986; 5: 219 
  • Rao PN, Radha V, Plasma lipoproteins and LCAT in chronic liver disease. Indian Journal of Gastroenterology, 1987; 6: 197-198
  • Das UN, Reddy DN, Rao PN, Radha V. Essential fatty acids and peptic ulcer disease. 1987;GUT 28: 914-915
  • Rao PN, Reddy DN, Radha V, Sreenivas D.V., Rao RR, Renuka D Hepatitis `B' Virus carrier rate in patients with diabetes mellitus. Clinical Proc. NIMS 1987; 2:350- 352 
  • Habibullah CM, Joshi N, Babu S, Rao PN, Delta infection in South India. Hepatitis letters, Hepatology Rapid Literature Review 1987;17: 19 – 20
  • Das UN, Reddy DN, Rao PN, Radha V. Essential fatty acids and peptic ulcer disease. GUT. 1988; 29: 134
  • Radha V, Srinivas M, Rao PN Thippanna. Adenosine deaminase (ADA) activity in the Differential Diagnosis of Lymphocytic Pleural Effusion of Tubberculous and Neoplastic Orgin Clin Proc NIMS. 1988; 3:52 – 54 
  • Nayana Joshi and Rao PN. Delta virus hepatitis. Clin Proc NIMS 1988;3:161-165 
  • Raju EPV, Rao PN, Venkateswarlu J, Subhashini S. Ultrasound documentation of diaphragmatic rent in hepatic hydrothorax. Indian J Gastroenterology, 1989; 8: 111-112 
  • Venkateshwarlu J, Subba Rao K, Rao PN, Reddy DN, Satyanarayana G. Lipoma of ileocaecal valve presenting as intussusception in an adult. Ind. J. Radiology and Imaging 1989 ; 43: 63-69 
  • Kumaresan K, Hema Nalini P & Rao PN Scinti graphic Demonstration of Transient intrahepatic Functional Cholestasis during Biliary Colic. Indian Journal of Nuclear Medicine 1995; 7:81- 84. Abstracts Published in proceeding of Annual 
  • Papers Written :Chapter in book : Co-author for chapter in book : Mehta SK and Rao PN, “ Idiopathic Ulcerative Colitis, in progress in Clinical Medicine in India” 4th Series. Ed. By Ahuja MMS. Arnold Heimann Publication, New Delhi (1982)