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Jeff Mc Combs, PhD

Title(s)Associate Professor
Address635 Downey Way, VPD 210
Off Campus
Los Angeles CA 90089
Phone+1 213 821 7941
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    Ph.D. in Economics, University of California, San Diego, 1982.

    Assistant Professor, Department of Mental Hygiene, School of Hygiene and Public Health, The Johns Hopkins University, 1980-1982.

    Senior Project Analyst, Applied Management Sciences, Silver Springs, MD, 1982-83.

    Social Science Research Analysis, Office of Research and Demonstrations, Health Care Financing Administration, 1983-1987.

    USC School of Pharmacy, Department of Pharmaceutical Economics and Policy, 1987-present.

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Impact of early initiation of antihypertensive medications for patients with hypertension or elevated blood pressure. J Hypertens. 2019 06; 37(6):1276-1284. Han X, McCombs J, Chu M, Dougherty JS, Fox DS. PMID: 30624365.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Complications and hospital costs during hematopoietic stem cell transplantation for non-Hodgkin lymphoma in the United States. Leuk Lymphoma. 2019 10; 60(10):2464-2470. Cho SK, McCombs J, Punwani N, Lam J. PMID: 30848975.
      View in: PubMed   Mentions: 1     Fields:    
    3. Primary Prevention Using Cholesterol-Lowering Medications in Patients Meeting New Treatment Guidelines: A Retrospective Cohort Analysis. J Manag Care Spec Pharm. 2018 Nov; 24(11):1078-1085. Han X, Fox DS, Chu M, Dougherty JS, McCombs J. PMID: 30362921.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    4. Reduction of healthcare costs through a transitions-of-care program. Am J Health Syst Pharm. 2018 May 15; 75(10):613-621. Ni W, Colayco D, Hashimoto J, Komoto K, Gowda C, Wearda B, McCombs J. PMID: 29650726.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Budget Impact Analysis of a Pharmacist-Provided Transition of Care Program. J Manag Care Spec Pharm. 2018 Feb; 24(2):90-96. Ni W, Colayco D, Hashimoto J, Komoto K, Gowda C, Wearda B, McCombs J. PMID: 29384028.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. Renin Angiotensin system-modifying therapies are associated with improved pulmonary health. Clin Diabetes Endocrinol. 2017; 3:6. Soto M, Bang SI, McCombs J, Rodgers KE. PMID: 28702260.
      View in: PubMed   Mentions:
    7. Comparative treatment effectiveness of direct acting antiviral regimens for hepatitis C: Data from the Veterans administration. J Gastroenterol Hepatol. 2017 Jun; 32(6):1136-1142. Fox DS, McGinnis JJ, Tonnu-Mihara IQ, McCombs JS. PMID: 27869323.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    8. A Retrospective Cohort Study of Acute Kidney Injury Risk Associated with Antipsychotics. CNS Drugs. 2017 Apr; 31(4):319-326. Jiang Y, McCombs JS, Park SH. PMID: 28290080.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    9. Impact of a pharmacy-based transitional care program on hospital readmissions. Am J Manag Care. 2017 Mar; 23(3):170-176. Ni W, Colayco D, Hashimoto J, Komoto K, Gowda C, Wearda B, McCombs J. PMID: 28385023.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    10. The Impact of Delayed Hepatitis C Viral Load Suppression on Patient Risk: Historical Evidence from the Veterans Administration. Forum Health Econ Policy. 2016 Dec 01; 19(2):333-351. Matsuda T, McCombs JS, Tonnu-Mihara I, McGinnis J, Fox DS. PMID: 31419897.
      View in: PubMed   Mentions:    Fields:    
    11. Optimizing HCV treatment - Moving beyond the cost conundrum. J Hepatol. 2016 07; 65(1):222-225. Fox DS, McCombs JS. PMID: 26876940.
      View in: PubMed   Mentions: 1     Fields:    Translation:Cells
    12. Clozapine revisited: Impact of clozapine vs olanzapine on health care use by schizophrenia patients on Medicaid. Ann Clin Psychiatry. 2015 May; 27(2):90-9. Thomas KL, Jiang Y, McCombs JS. PMID: 25696785.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    13. Essential need for research in hepatitis C. J Med Econ. 2015; 18(7):512-3. McCombs JS. PMID: 25687753.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. The risk of long-term morbidity and mortality in patients with chronic hepatitis C: results from an analysis of data from a Department of Veterans Affairs Clinical Registry. JAMA Intern Med. 2014 Feb 01; 174(2):204-12. McCombs J, Matsuda T, Tonnu-Mihara I, Saab S, Hines P, L'italien G, Juday T, Yuan Y. PMID: 24193887.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansCells
    15. Primary nonadherence to medications in an integrated healthcare setting. Am J Manag Care. 2012 Aug; 18(8):426-34. Shin J, McCombs JS, Sanchez RJ, Udall M, Deminski MC, Cheetham TC. PMID: 22928758.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    16. Effect of exenatide, pen insulin, and vial insulin on patient outcomes: a retrospective database analysis of persistence and first-year costs in a commercially insured population. Clin Ther. 2012 May; 34(5):1145-58. Rashid N, McCombs JS, Schwartz E. PMID: 22464691.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    17. Economic burden associated with patients diagnosed with hepatitis C. Clin Ther. 2011 Sep; 33(9):1268-80. McCombs JS, Yuan Y, Shin J, Saab S. PMID: 21840056.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    18. Impact of drug treatment history on comparative effectiveness research in schizophrenia. Value Health. 2011 Jul-Aug; 14(5):679-86. McCombs J, Zolfaghari S, Ganapathy V. PMID: 21839406.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. The impact of the iPLEDGE program on isotretinoin fetal exposure in an integrated health care system. J Am Acad Dermatol. 2011 Dec; 65(6):1117-25. Shin J, Cheetham TC, Wong L, Niu F, Kass E, Yoshinaga MA, Sorel M, McCombs JS, Sidney S. PMID: 21565419.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    20. The impact of clinical pharmacy services integrated into medical homes on diabetes-related clinical outcomes. Ann Pharmacother. 2010 Dec; 44(12):1877-86. Johnson KA, Chen S, Cheng IN, Lou M, Gregerson P, Blieden C, Baron M, McCombs J. PMID: 21119101.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    21. Applying comparative effectiveness research methods in bipolar disorders. J Affect Disord. 2011 Apr; 130(1-2):145-54. McCombs JS, Ganapathy V, Zolfaghari S. PMID: 20970196.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    22. A1C and cardiovascular outcomes in type 2 diabetes: a nested case-control study. Diabetes Care. 2011 Jan; 34(1):77-83. Colayco DC, Niu F, McCombs JS, Cheetham TC. PMID: 20937686.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    23. Duration of antipsychotic drug therapy in real-world practice: a comparison with CATIE trial results. Value Health. 2008 May-Jun; 11(3):487-96. Chen L, McCombs JS, Park J. PMID: 18489672.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    24. Classifying patients by antipsychotic adherence patterns using latent class analysis: characteristics of nonadherent groups in the California Medicaid (Medi-Cal) program. Value Health. 2008 Jan-Feb; 11(1):48-56. Ahn J, McCombs JS, Jung C, Croudace TJ, McDonnell D, Ascher-Svanum H, Edgell ET, Shi L. PMID: 18237360.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    25. The impact of atypical antipsychotic medications on the use of health care by patients with schizophrenia. Value Health. 2008 Jan-Feb; 11(1):34-43. Chen L, McCombs JS, Park J. PMID: 18237358.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    26. The impact of unrecognized bipolar disorders among patients treated for depression with antidepressants in the fee-for-services California Medicaid (Medi-Cal) program: a 6-year retrospective analysis. J Affect Disord. 2007 Jan; 97(1-3):171-9. McCombs JS, Ahn J, Tencer T, Shi L. PMID: 16860396.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    27. Defining and measuring clinical effectiveness in the treatment of schizophrenia. Psychiatr Serv. 2005 Mar; 56(3):273-82. Nasrallah HA, Targum SD, Tandon R, McCombs JS, Ross R. PMID: 15746501.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    28. The impact of mirtazapine compared with non-TCA antidepressants on weight change in nursing facility residents. Consult Pharm. 2005 Mar; 20(3):217-23. Mihara IQ, McCombs JS, Williams BR. PMID: 16548628.
      View in: PubMed   Mentions:    Fields:    
    29. The impact of unrecognized bipolar disorders for patients treated for depression with antidepressants in the fee-for-services California Medicaid (Medi-Cal) program. J Affect Disord. 2004 Nov 01; 82(3):373-83. Shi L, Thiebaud P, McCombs JS. PMID: 15555688.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    30. Compliance with drug therapies for the treatment and prevention of osteoporosis. Maturitas. 2004 Jul 15; 48(3):271-87. McCombs JS, Thiebaud P, McLaughlin-Miley C, Shi J. PMID: 15207894.
      View in: PubMed   Mentions: 93     Fields:    Translation:Humans
    31. Managing antidepressant drug therapy in an evolving marketplace. Am J Manag Care. 2004 Jul; 10(6 Suppl):S173-8. McCombs J. PMID: 15354674.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    32. Open access to innovative drugs: treatment substitutions or treatment expansion? Health Care Financ Rev. 2004; 25(3):35-53. McCombs JS, Mulani P, Gibson PJ. PMID: 15229995.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    33. Access to drug therapy and substitution between alternative antidepressants following an expansion of the California Medicaid formulary. Health Policy. 2003 Sep; 65(3):301-11. McCombs JS, Shi L, Croghan TW, Stimmel GL. PMID: 12941496.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    34. Can pharmacy data improve prediction of hospital outcomes? Comparisons with a diagnosis-based comorbidity measure. Med Care. 2003 Mar; 41(3):407-19. Parker JP, McCombs JS, Graddy EA. PMID: 12618644.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    35. Effects of ambulatory-care pharmacist consultation on mortality and hospitalization. Am J Manag Care. 2003 Jan; 9(1):45-56. Yuan Y, Hay JW, McCombs JS. PMID: 12549814.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    36. Pharmacist time requirements for counseling in an outpatient pharmacy. Am J Health Syst Pharm. 2002 Dec 01; 59(23):2346-55. Oh Y, McCombs JS, Cheng RA, Johnson KA. PMID: 12489376.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    37. A retrospective analysis of the revocation of prior authorization restrictions and the use of antidepressant medications for treating major depressive disorder. Clin Ther. 2002 Nov; 24(11):1939-59; discussion 1938. McCombs JS, Shi L, Stimmel GL, Croghan TW. PMID: 12501884.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    38. Cost of treating bipolar disorder in the California Medicaid (Medi-Cal) program. J Affect Disord. 2002 Sep; 71(1-3):131-9. Li J, McCombs JS, Stimmel GL. PMID: 12167509.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    39. Use of conventional antipsychotics and the cost of treating schizophrenia. Health Care Financ Rev. 2001; 23(2):83-99. Lyu RR, McCombs JS, Johnstone BM, Muse DN. PMID: 12500340.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    40. An evidence-based cost-effectiveness model on methods of prevention of posttraumatic venous thromboembolism. J Trauma. 2000 Dec; 49(6):1059-64. Velmahos GC, Oh Y, McCombs J, Oder D. PMID: 11130489.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    41. The use of conventional antipsychotic medications for patients with schizophrenia in a medicaid population: therapeutic and cost outcomes over 2 years. Value Health. 2000 May-Jun; 3(3):222-31. McCombs JS, Luo M, Johnstone BM, Shi L. PMID: 16464186.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    42. Antipsychotic drug use patterns and the cost of treating schizophrenia. Psychiatr Serv. 2000 Apr; 51(4):525-7. McCombs JS, Nichol MB, Johnstone BM, Stimmel GL, Shi J, Smith R. PMID: 10737831.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    43. Selective contracting and patient outcomes: a case study of formulary restrictions for selective serotonin reuptake inhibitor antidepressants. Am J Manag Care. 1999 Sep; 5(9):1133-42. Streja DA, Hui RL, Streja E, McCombs JS. PMID: 10621079.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    44. The role of SSRI antidepressants for treating depressed patients in the California Medicaid (Medi-Cal) program. Value Health. 1999 Jul-Aug; 2(4):269-80. McCombs JS, Nichol MB, Stimmel GL. PMID: 16674317.
      View in: PubMed   Mentions: 4     Fields:    
    45. Compliance with sulfonylureas in a health maintenance organization: a pharmacy record-based study. Ann Pharmacother. 1999 Mar; 33(3):281-8. Venturini F, Nichol MB, Sung JC, Bailey KL, Cody M, McCombs JS. PMID: 10200850.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    46. Treatment cost of acute exacerbations of chronic bronchitis. Clin Ther. 1999 Mar; 21(3):576-91. Niederman MS, McCombs JS, Unger AN, Kumar A, Popovian R. PMID: 10321424.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    47. Medication use in residential care facilities for the elderly. Ann Pharmacother. 1999 Feb; 33(2):149-55. Williams BR, Nichol MB, Lowe B, Yoon PS, McCombs JS, Margolies J. PMID: 10084408.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    48. Use patterns for antipsychotic medications in medicaid patients with schizophrenia. J Clin Psychiatry. 1999; 60 Suppl 19:5-11; discussion 12-3. McCombs JS, Nichol MB, Stimmel GL, Shi J, Smith RR. PMID: 10507275.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    49. The Kaiser Permanente/USC Patient Consultation Study: patient satisfaction with pharmaceutical services. University of Southern California. Am J Health Syst Pharm. 1998 Dec 15; 55(24):2621-9. Johnson KA, Parker JP, McCombs JS, Cody M. PMID: 9872701.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCTClinical Trials
    50. The Kaiser Permanente/USC Patient Consultation Study: change in use and cost of health care services. Am J Health Syst Pharm. 1998 Dec 01; 55(23):2485-99. McCombs JS, Liu G, Shi J, Feng W, Cody M, Parker JP, Nichol MB, Hay JW, Johnson KA, Groshen SL, Nye MT. PMID: 9853633.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCTClinical Trials
    51. Factors affecting patient compliance with antihyperlipidemic medications in an HMO population. Am J Manag Care. 1998 Oct; 4(10):1421-30. Sung JC, Nichol MB, Venturini F, Bailey KL, McCombs JS, Cody M. PMID: 10338735.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    52. Pharmacoeconomics: what is it and where is it going? Am J Hypertens. 1998 Aug; 11(8 Pt 2):112S-119S; discussion 135S-137S. McCombs JS. PMID: 9717852.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCTClinical Trials
    53. Impact of pharmacist consultations provided to patients with diabetes on healthcare costs in a health maintenance organization. Am J Manag Care. 1998 Jul; 4(7):991-1000. Gerber RA, Liu G, McCombs JS. PMID: 10181997.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    54. The cost of treating community-acquired pneumonia. Clin Ther. 1998 Jul-Aug; 20(4):820-37. Niederman MS, McCombs JS, Unger AN, Kumar A, Popovian R. PMID: 9737840.
      View in: PubMed   Mentions: 93     Fields:    Translation:Humans
    55. Measuring the impact of patient counseling in the outpatient pharmacy setting: the research design of the Kaiser Permanente/USC patient consultation study. Clin Ther. 1995 Nov-Dec; 17(6):1188-206. McCombs JS, Cody M, Besinque K, Borok G, Ershoff D, Groshen S, Hay J, Johnson KA, Nichol MB, Nye MT. PMID: 8750409.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCTClinical Trials
    56. Is pharmacy's vision of the future too narrow? Am J Health Syst Pharm. 1995 Jun 01; 52(11):1208-14. McCombs JS, Nichol MB, Johnson KA, Hay JW, Ebin VJ, Lawrence GD, Schneider JS. PMID: 7656110.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    57. The use of first- and second-line outpatient antibiotics under the Saskatchewan Drug Plan. Pharmacoeconomics. 1995 Jun; 7(6):543-54. McCombs JS, Nichol MB. PMID: 10155339.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    58. The costs of interrupting antihypertensive drug therapy in a Medicaid population. Med Care. 1994 Mar; 32(3):214-26. McCombs JS, Nichol MB, Newman CM, Sclar DA. PMID: 8145599.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    59. Pharmacy-enforced outpatient drug treatment protocols: a case study of Medi-Cal restrictions for cefaclor. Ann Pharmacother. 1993 Feb; 27(2):155-61. McCombs JS, Nichol MB. PMID: 8439688.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    60. The effects of consultation on over-the-counter medication purchasing decisions. Med Care. 1992 Nov; 30(11):989-1003. Nichol MB, McCombs JS, Johnson KA, Spacapan S, Sclar DA. PMID: 1434962.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    61. Do HMOs reduce health care costs? A multivariate analysis of two Medicare HMO demonstration projects. Health Serv Res. 1990 Oct; 25(4):593-613. McCombs JS, Kasper JD, Riley GF. PMID: 2211129.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    62. The cost of antidepressant drug therapy failure: a study of antidepressant use patterns in a Medicaid population. J Clin Psychiatry. 1990 Jun; 51 Suppl:60-9; discussion 70-1. McCombs JS, Nichol MB, Stimmel GL, Sclar DA, Beasley CM, Gross LS. PMID: 2189876.
      View in: PubMed   Mentions: 30     Fields:    Translation:Humans
    63. Beneficiary selection, use, and charges in two Medicare capitation demonstrations. Health Care Financ Rev. 1988; 10(1):37-49. Kasper JD, Riley GF, McCombs JS, Stevenson MA. PMID: 10312820.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
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