Faculty Appointments
Professor of Anesthesiology
Professor of Owen Graduate School of ManagementProfessor of Biomedical InformaticsProfessor of Biostatistics
Education
Ph.D., Business, Indiana University, Bloomington, IndianaM.B.A., Business Administration, Illinois Institute of Technology, Chicago, Illinois
Office Address
403G MAB
Nashville, TN 37212
Nashville, TN 37212
Publications
Dobie KH, Tiwari V, Shi Y, Shotwell MS, Sandberg WS. Transition from Private to Academic Anesthesia Provision Changes Process and Patient Centered Outcomes in an Ambulatory Surgery Center. J Med Syst. 2020 Nov 11/7/2020; 44(12): 204. PMID: 33161488, PII: 10.1007/s10916-020-01672-w, DOI: 10.1007/s10916-020-01672-w, ISSN: 1573-689X.
Nassiri AM, Garrett CG, Dail TL, Tiwari V, Haynes DS, Rivas A, Langerman AJ. Should I Buy This? A Decision-Making Tool for Surgical Value-Based Purchasing. Otolaryngol Head Neck Surg [print-electronic]. 2020 Sep; 163(3): 397-9. PMID: 32284008, DOI: 10.1177/0194599820915194, ISSN: 1097-6817.
Hawkins AT, Geiger TM, King AB, Wanderer JP, Tiwari V, Muldoon RL, Ford MM, Dmochowski RR, Sandberg WS, Martin B, Hopkins MB, McEvoy MD. An enhanced recovery program in colorectal surgery is associated with decreased organ level rates of complications: a difference-in-differences analysis. Surg Endosc [print-electronic]. 2019 Jul; 33(7): 2222-30. PMID: 30334161, PII: 10.1007/s00464-018-6508-2, DOI: 10.1007/s00464-018-6508-2, ISSN: 1432-2218.
Tiwari V, Quinlan JJ, Levine WC. Scaling Perioperative Services Across Health Care Systems. Int Anesthesiol Clin. 2019; 57(1): 1-17. PMID: 30520745, PII: 00004311-201905710-00001, DOI: 10.1097/AIA.0000000000000218, ISSN: 1537-1913.
Tiwari V, Ehrenfeld JM, Sandberg WS. Does a first-case on-time-start initiative achieve its goal by starting the entire process earlier or by tightening the distribution of start times?. Br J Anaesth [print-electronic]. 2018 Nov; 121(5): 1148-55. PMID: 30336860, PII: S0007-0912(18)30434-3, DOI: 10.1016/j.bja.2018.05.043, ISSN: 1471-6771.
Kougias P, Tiwari V, Sharath SE, Garcia A, Pathak A, Chen M, Ramsey D, Barshes NR, Berger DH. A Statistical Model-driven Surgical Case Scheduling System Improves Multiple Measures of Operative Suite Efficiency: Findings From a Single-center, Randomized Controlled Trial. Ann. Surg [print-electronic]. 2018 Apr 4/24/2018; PMID: 29697450, DOI: 10.1097/SLA.0000000000002763, ISSN: 1528-1140.
Wright JP, Edwards GC, Goggins K, Tiwari V, Maiga A, Moses K, Kripalani S, Idrees K. Association of Health Literacy With Postoperative Outcomes in Patients Undergoing Major Abdominal Surgery. JAMA Surg [print-electronic]. 2017 Oct 10/4/2017; PMID: 28979989, PII: 2656359, DOI: 10.1001/jamasurg.2017.3832, ISSN: 2168-6262.
Yiadom MYAB, Baugh CW, Barrett TW, Liu X, Storrow AB, Vogus TJ, Tiwari V, Slovis CM, Russ S, Liu D, . Measuring Emergency Department Patient Population Acuity. Acad Emerg Med [print-electronic]. 2017 Sep 9/23/2017; PMID: 28940546, DOI: 10.1111/acem.13319, ISSN: 1553-2712.
Tiwari V, Kumar AB. A Novel Method of Evaluating Key Factors for Success in a Multifaceted Critical Care Fellowship Using Data Envelopment Analysis. Anesth. Analg [print-electronic]. 2017 Jul 7/21/2017; PMID: 28742779, DOI: 10.1213/ANE.0000000000002260, ISSN: 1526-7598.
Kougias P, Tiwari V, Berger DH. Use of simulation to assess a statistically driven surgical scheduling system. J. Surg. Res [print-electronic]. 2016 Apr; 201(2): 306-12. PMID: 27020812, PII: S0022-4804(15)01077-X, DOI: 10.1016/j.jss.2015.10.043, ISSN: 1095-8673.
McEvoy MD, Wanderer JP, King AB, Geiger TM, Tiwari V, Terekhov M, Ehrenfeld JM, Furman WR, Lee LA, Sandberg WS. A perioperative consult service results in reduction in cost and length of stay for colorectal surgical patients: evidence from a healthcare redesign project. Perioper Med (Lond). 2016; 5: 3. PMID: 26855773, PMCID: PMC4743367, PII: 28, DOI: 10.1186/s13741-016-0028-1, ISSN: 2047-0525.
Dobie KH, Tiwari V, Sandberg WS. "What Have We Done for Us Lately?"--Defining Performance and Value at the Individual Clinician Level. Anesthesiol Clin. 2015 Dec; 33(4): 659-77. PMID: 26610622, PII: S1932-2275(15)00073-7, DOI: 10.1016/j.anclin.2015.07.008, ISSN: 1932-2275.
Tiwari V, Furman WR, Sandberg WS. Predicting case volume from the accumulating elective operating room schedule facilitates staffing improvements. Anesthesiology. 2014 Jul; 121(1): 171-83. PMID: 24940734, PII: 00000542-201407000-00029, DOI: 10.1097/ALN.0000000000000287, ISSN: 1528-1175.
Tiwari V, Dexter F, Rothman BS, Ehrenfeld JM, Epstein RH. Explanation for the near-constant mean time remaining in surgical cases exceeding their estimated duration, necessary for appropriate display on electronic white boards. Anesth. Analg [print-electronic]. 2013 Aug; 117(2): 487-93. PMID: 23780422, PII: ANE.0b013e31829772e9, DOI: 10.1213/ANE.0b013e31829772e9, ISSN: 1526-7598.
Tiwari V, Heese HS. Specialization and competition in healthcare delivery networks. Health Care Manag Sci. 2009 Sep; 12(3): 306-24. PMID: 19739362, ISSN: 1386-9620.
Nassiri AM, Garrett CG, Dail TL, Tiwari V, Haynes DS, Rivas A, Langerman AJ. Should I Buy This? A Decision-Making Tool for Surgical Value-Based Purchasing. Otolaryngol Head Neck Surg [print-electronic]. 2020 Sep; 163(3): 397-9. PMID: 32284008, DOI: 10.1177/0194599820915194, ISSN: 1097-6817.
Hawkins AT, Geiger TM, King AB, Wanderer JP, Tiwari V, Muldoon RL, Ford MM, Dmochowski RR, Sandberg WS, Martin B, Hopkins MB, McEvoy MD. An enhanced recovery program in colorectal surgery is associated with decreased organ level rates of complications: a difference-in-differences analysis. Surg Endosc [print-electronic]. 2019 Jul; 33(7): 2222-30. PMID: 30334161, PII: 10.1007/s00464-018-6508-2, DOI: 10.1007/s00464-018-6508-2, ISSN: 1432-2218.
Tiwari V, Quinlan JJ, Levine WC. Scaling Perioperative Services Across Health Care Systems. Int Anesthesiol Clin. 2019; 57(1): 1-17. PMID: 30520745, PII: 00004311-201905710-00001, DOI: 10.1097/AIA.0000000000000218, ISSN: 1537-1913.
Tiwari V, Ehrenfeld JM, Sandberg WS. Does a first-case on-time-start initiative achieve its goal by starting the entire process earlier or by tightening the distribution of start times?. Br J Anaesth [print-electronic]. 2018 Nov; 121(5): 1148-55. PMID: 30336860, PII: S0007-0912(18)30434-3, DOI: 10.1016/j.bja.2018.05.043, ISSN: 1471-6771.
Kougias P, Tiwari V, Sharath SE, Garcia A, Pathak A, Chen M, Ramsey D, Barshes NR, Berger DH. A Statistical Model-driven Surgical Case Scheduling System Improves Multiple Measures of Operative Suite Efficiency: Findings From a Single-center, Randomized Controlled Trial. Ann. Surg [print-electronic]. 2018 Apr 4/24/2018; PMID: 29697450, DOI: 10.1097/SLA.0000000000002763, ISSN: 1528-1140.
Wright JP, Edwards GC, Goggins K, Tiwari V, Maiga A, Moses K, Kripalani S, Idrees K. Association of Health Literacy With Postoperative Outcomes in Patients Undergoing Major Abdominal Surgery. JAMA Surg [print-electronic]. 2017 Oct 10/4/2017; PMID: 28979989, PII: 2656359, DOI: 10.1001/jamasurg.2017.3832, ISSN: 2168-6262.
Yiadom MYAB, Baugh CW, Barrett TW, Liu X, Storrow AB, Vogus TJ, Tiwari V, Slovis CM, Russ S, Liu D, . Measuring Emergency Department Patient Population Acuity. Acad Emerg Med [print-electronic]. 2017 Sep 9/23/2017; PMID: 28940546, DOI: 10.1111/acem.13319, ISSN: 1553-2712.
Tiwari V, Kumar AB. A Novel Method of Evaluating Key Factors for Success in a Multifaceted Critical Care Fellowship Using Data Envelopment Analysis. Anesth. Analg [print-electronic]. 2017 Jul 7/21/2017; PMID: 28742779, DOI: 10.1213/ANE.0000000000002260, ISSN: 1526-7598.
Kougias P, Tiwari V, Berger DH. Use of simulation to assess a statistically driven surgical scheduling system. J. Surg. Res [print-electronic]. 2016 Apr; 201(2): 306-12. PMID: 27020812, PII: S0022-4804(15)01077-X, DOI: 10.1016/j.jss.2015.10.043, ISSN: 1095-8673.
McEvoy MD, Wanderer JP, King AB, Geiger TM, Tiwari V, Terekhov M, Ehrenfeld JM, Furman WR, Lee LA, Sandberg WS. A perioperative consult service results in reduction in cost and length of stay for colorectal surgical patients: evidence from a healthcare redesign project. Perioper Med (Lond). 2016; 5: 3. PMID: 26855773, PMCID: PMC4743367, PII: 28, DOI: 10.1186/s13741-016-0028-1, ISSN: 2047-0525.
Dobie KH, Tiwari V, Sandberg WS. "What Have We Done for Us Lately?"--Defining Performance and Value at the Individual Clinician Level. Anesthesiol Clin. 2015 Dec; 33(4): 659-77. PMID: 26610622, PII: S1932-2275(15)00073-7, DOI: 10.1016/j.anclin.2015.07.008, ISSN: 1932-2275.
Tiwari V, Furman WR, Sandberg WS. Predicting case volume from the accumulating elective operating room schedule facilitates staffing improvements. Anesthesiology. 2014 Jul; 121(1): 171-83. PMID: 24940734, PII: 00000542-201407000-00029, DOI: 10.1097/ALN.0000000000000287, ISSN: 1528-1175.
Tiwari V, Dexter F, Rothman BS, Ehrenfeld JM, Epstein RH. Explanation for the near-constant mean time remaining in surgical cases exceeding their estimated duration, necessary for appropriate display on electronic white boards. Anesth. Analg [print-electronic]. 2013 Aug; 117(2): 487-93. PMID: 23780422, PII: ANE.0b013e31829772e9, DOI: 10.1213/ANE.0b013e31829772e9, ISSN: 1526-7598.
Tiwari V, Heese HS. Specialization and competition in healthcare delivery networks. Health Care Manag Sci. 2009 Sep; 12(3): 306-24. PMID: 19739362, ISSN: 1386-9620.