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Journal Article
Journal of Health Politics, Policy and Law (1 August 1987) 12 (4): 723–739.
Published: 01 August 1987
...W. P. Welch There are two types of HMOs: prepaid group practices (PGPs) and individual practice associations (IP As). Because of rapid change in the HMO industry, the academic literature, which is based primarily on data from the 1970s, is dated in several ways. The literature has focused on PGPs...
Journal Article
Journal of Health Politics, Policy and Law (1 August 1984) 8 (4): 743–758.
Published: 01 August 1984
...W. P. Welch This paper investigates the influence of market forces and state regulations on enrollment in prepaid group practices (PGPs)—the dominant form of HMO. Using data at the metropolitan-area level, the paper estimates a lagged-adjustment model in two stages. The first stage estimates the...
Journal Article
Journal of Health Politics, Policy and Law (1 June 1982) 7 (3): 686–706.
Published: 01 June 1982
... by examining each of these propositions. Can HMOs reduce health care costs? The review of evidence on HMO performance has become a staple of the health services literat~re.~Reviewers have consistently concluded that the prepaid group practice (PGP) form of the HMO does provide health ser...
Journal Article
Journal of Health Politics, Policy and Law (1 February 1984) 9 (1): 103–124.
Published: 01 February 1984
... paper are based on the authors’ mail survey investigating the hospitalization policies of prepaid group practices (PGPs) existing in March 1979. The authors’ census of PGPs is supplemented with information from a study by Analysis, Management and Planning, Inc. (AMPI) of all HMO...
Journal Article
Journal of Health Politics, Policy and Law (1 February 1982) 7 (1): 45–53.
Published: 01 February 1982
... crystal ball. Most prepaid group practice (PGP) plans require the enrollee to select a new physician when enrolling. Because existing doctor-patient ties are a major factor in the decision to enroll in a PGP, a large fraction of new PGP members will be relatively new in the community...
Journal Article
Journal of Health Politics, Policy and Law (1 October 1999) 24 (5): 1045–1049.
Published: 01 October 1999
... Since the early 1970s, policy makers and researchers alike have been eagerly watching and evaluating the growth of so-called managed care plans. Many expected prepaid group practice plans (PGPs), then individ- ual practice associations (IPAs), then preferred provider organizations (PPOs), and a host...
Journal Article
Journal of Health Politics, Policy and Law (1 October 1999) 24 (5): 957–966.
Published: 01 October 1999
..., such as Kaiser and Group Health, as well as the loosely organized individual practice association (IPA) or foundation for medical care models. This umbrella term was needed because prepaid group prac- tice organizations (PGPs) were still unacceptable to organized medicine, and the Nixon...
Journal Article
Journal of Health Politics, Policy and Law (1 August 1979) 3 (4): 497–518.
Published: 01 August 1979
... approach has been to divide HMOs into two potentially antagonistic types-the prepaid group practices (PGPs) and the founda- tions for medical care (FMCs), also known as individual practice associa- tions. These two types of prepaid plans may be distinguished by two criteria: (1) locus of...
Journal Article
Journal of Health Politics, Policy and Law (1 April 1989) 14 (2): 367–382.
Published: 01 April 1989
...- sociations (IPAs). It may be that these HMOs have not carried on the traditions inherited from prepaid group practice (PGP) model. As part of our survey, we examined satisfaction levels in both IPAs and PGPs, and found little overall dif- ference. Benefit managers were more satisfied with IPAs in...
Journal Article
Journal of Health Politics, Policy and Law (1 August 1986) 10 (4): 659–674.
Published: 01 August 1986
... practice HMOs (PGPs) exhibited significantly shorter stays, relative to the mean for commercially-insured patients, for five of the seven medical conditions studied. l7 IPAs also exhibited shorter stays, but only for three DRGs. At the .05 level, group HMOs had statistically shorter stays...
Journal Article
Journal of Health Politics, Policy and Law (1 August 2010) 35 (4): 643–661.
Published: 01 August 2010
...- eral promotion of variations on prepaid group practice (PGP) plans such as Kaiser Permanente would create health entities with incentives to keep patients healthy, not merely treat them once they were ill (thus health maintenance organizations, or HMOs); with structures that integrated the...
Journal Article
Journal of Health Politics, Policy and Law (1 June 1985) 10 (3): 579–599.
Published: 01 June 1985
... accomplishments of such prepaid group practice (PGP) plans as Kaiser-Perrnanente as evidence of the virtues of prospective pay- ment and had urged Medicare administrators to devise payment procedures that would bring more such plans into the program and more beneficiaries into such plans. The...
Journal Article
Journal of Health Politics, Policy and Law (1 December 1986) 11 (4): 569–583.
Published: 01 December 1986
... health care system and of prepaid group practice plans in general, and explained how PGPs could be transmuted into a more flexible model with an appealing modem name-health maintenance organizations. The adminis- tration was easily sold: HMOs reduced no one’s benefits, took no steps toward...