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Stephen A. Obstbaum, MD

Arch Ophthalmol. 1997;115(7):917-918.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

JAMA

Variations in Cataract Extraction Rates in Medicare Prepaid and Fee-for-Service Settings

Caroline Lubick Goldzweig, MD, MSPH; Brian S. Mittman, PhD; Grace M. Carter, PhD; Tenzing Donyo, MBA; Robert H. Brook, MD, ScD; Paul Lee, MD, JD; Carol M. Mangione, MD, MSPH

Objective.

—To compare rates of cataract extraction in 2 prepaid health settings and in traditional fee-for-service (FFS) settings.

Design.

—A cross-sectional analysis using 1993 health maintenance organization (HMO) Medicare claims and encounter files, the Health Care Financing Administration (HCFA) 5% Medicare Part B provider/supplier file, and the HCFA October 1992 100% Medicare population file.

Setting.

—Southern California Medicare FFS settings and the staff-model and independent practice association (IPA) plans of a large California HMO.

Patients.

—1993 Medicare beneficiaries aged 65 years and older. The study included 43 387 staff-model HMO enrollees, 19 050 IPA enrollees, and 47 150 FFS beneficiaries (a 5% sample of all Southern California FFS . . . [Full Text PDF of this Article]

Author Affiliations
From the Department of Ophthalmology, Lenox Hill Hospital, New York, NY.; Corresponding author: Stephen A. Obstbaum, MD, Department of Ophthalmology, Lenox Hill Hospital, 100 E 77th St, New York, NY 10021 (e-mail: LHHEyeDept@aol.com).

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