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Law Firms
Since 1988, Walter J. Unger has provided expert witness and litigation support services for the following law firms:
- Ball Hunt Hart Brown &
Baerwitz, Long Beach, CA
- Berkley, Gordon, Levine,
Goldstein & Garfinkel LLP, Las Vegas, NV
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Bereny & Wallace, Encino, CA
- Bokelman & Benjamin,
San Francisco, CA
- Brobeck, Phleger & Harrison
LLP, San Francisco, CA
- Clark & Carter, Yuma,
AZ
- Finkelstein & Finkelstein,
San Diego, CA
- Foley Lardner Weissburg
& Aronson (now Foley & Lardner LLP), Los Angeles, CA
- Gardner & Booth, Los
Angeles, CA
- Gibson, Dunn & Crutcher
LLP, Los Angeles, CA
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Gibson, Dunn & Crutcher LLP, Irvine, CA
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Gillock, Markley & Killebrew, Las Vegas, NV
-
Grant & Morasse, Newport Beach, CA
- Haight Brown & Bonesteel,
Santa Monica, CA
- Harrington, Foxx, Dubrow
& Canter, LLP, Los Angeles, CA
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Harris-Ginsberg LLP, Los Angeles, CA
- K&R Law Group LLP
(formerly Konowiecki & Rank LLP), Los Angeles, CA
-
Lanak & Hanna P.C., Santa Ana, CA
-
Lewis Brisbois Bisgaard & Smith LLP, Los Angeles, CA
- Lynn Tillotson & Pinker,
LLP, Dallas, TX
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Morgan Lewis & Bockius LLP, Los Angeles, CA
- O'Melveny & Myers, Newport
Beach, CA
- Proskauer, Rose, Goetz &
Mendelsohn, Los Angeles, CA
- Robie & Matthai, Los
Angeles, CA
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Salmas Law Group, Los Angeles, CA
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Stanton T. Mathews & Associates — A Law Corporation, Laguna Hills, CA
- The Law Offices of Bridget
Baynes, Santa Ana Heights, CA
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The Law Offices of Edi M.O. Faal, Los Angeles, CA
- The Law Offices of Eric
S. Hartman, Long Beach, CA
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The Law Offices of John S. Chou, MD, JD, Gardena, CA
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The Law Offices of Marc J. Wodin, Woodland Hills, CA
- The Law Offices of Nicholas
S. Nassif, Los Angeles, CA
- The Law Offices of Paul
E. Greenwald & Associates, Orange, CA
- The Law Offices of Paul
W. Wong, South Pasadena, CA
- The Law Offices of B.
Paul Husband, Burbank, CA
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The Law Offices of Peter M. Appleton, Los Angeles, CA (now Salem, OR)
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The Law Offices of Robert M. Moss, Inc., Santa Monica, CA
- Thompson & Knight, Houston,
TX
- Tyre Kamins Katz & Granof,
Los Angeles, CA
- Van Etten, Suzumoto &
Haag, LLP, Los Angeles, CA
- Vorys, Sater, Seymour and Pease LLP, Cincinatti, OH
- Wilson & Reitman,
Los Angeles, CA (Wilson is now with Cotkin & Collins, Los Angeles, CA)
Since 1988, Walter J. Unger has been designated as an expert witness in more than 40 legal cases. For instance, his opinion was sought in these cases involving physician practices:
Re Marriage of Isacoff,
Superior Court of the State of California for the
County of Los Angeles (2006) — opinions pertained
to various financial, accounting, insurance and Medicare issues associated with a medical oncology practice.
Burton v. Thomas/Advanced Orthopedic Care,
Clark County District Court case, Las Vegas, NV (2005)
— opinions pertained to the professional duties and
obligations of surgeons and medical groups to their patients.
Sutter Yuba Physicians v. Health Net,
American Arbitration Association, San Francisco, CA (2001) —
opinions pertained to a health services contract dispute between
more than 40 physicians and Foundation Health Plan, a health maintenance organization (HMO).
Gough v. Webb et al.,
Superior Court of the State of California for the
County of Los Angeles (1999) — opinions pertained
to the economic value and viability of California
Pro Health Medical Group, Inc., valuation methods
for medical groups and independent practice associations
(IPAs), and interpretation of medical directorship and
managed care agreements.
Wilson v. Schemmer et al.,
Superior Court of the State of California for the
County of Orange (1998) — opinions pertained to the
financial and economic incentives and disincentives
affecting physicians under various types of health
maintenance organization (HMO) and independent practice
association (IPA) contractual arrangements.
Weaver v. Henderson et al.,
Superior Court of the State of California for the County of Los Angeles (1998)
— opinions pertained to health maintenance organization (HMO) and independent
practice association (IPA) contractual arrangements as well as physician
compensation for IPA management services.
Nephrology Medical Group Inc. of Orange County v. Rosen,
Superior Court of the State of California for the County of Orange (1998)
— opinions pertained to the delivery of medical services, the market for
nephrology services, physician compensation, medical group partner terminations,
hospital privileges, and physician participation in independent practice associations (IPAs).
Rice v. Harbor View Medical Center (Consolidated Cases),
Superior Court of the State of California for the County of San Diego (1998)
— opinions pertained to alleged unlawful, unfair and fraudulent business practices,
intercompany relationships, and the financial management of a hospital.
Other cases where Walter Unger's opinions were rendered include:
St. Vincent Medical Center v. Sierra Aluminum Company, EBA&M,
American Arbitration Association (2010) — opinions pertained to appropriate hospital verification of patient's health benefit plan eligibility and coverage as well as the role of utilization review (UR) and a third-party administrator (TPA) in a self-funded employer-sponsored health benefit plan.
U.S. ex rel. Fry v. The Health Alliance, et al.,
U.S. District Court for the Southern District of Ohio (2009-10) — in this major Federal case, the U.S. Department of Justice (DOJ) alleged a multi-hospital system, a large acute-care hospital, a medical group and a billing company committed fraud and abuse against -- and submission of false claims to — the Medicare, Medicaid and TRICARE programs. The DOJ sought restitution of hundreds of millions of dollars from these entities.
Rivas v. SSA Terminals LLC,
Superior Court of the State of California for the County of Los Angeles (2009) — opinions pertained to appropriate charges for hospital and physician services and other related matters.
Shoreline Ambulance Corp v. American Medical Response et al., Superior Court of the State of California for the County of Los Angeles (2008) — opinions pertained to the economics and financial practices of the ambulance industry; industry customs, practices and standards; and government legislation and regulations.
Toloei v. Green/Sina Medical Center,
Superior Court of California for the County of Los Angeles (2005)
— opinions pertained to the expected future charges by various
healthcare providers for a patient with metastatic carcinoma.
Thomas F. Winters, Jr, MD v. I-Flow Corporation,
11th Circuit of the United States District Court, Orlando, Florida (2005)
— opinions pertained to methods for calculating royalty payments for intellectual
property rights associated with medical device patents, the incidence of surgical
(especially orthopedic) procedures in the USA.
Quest Diagnostics Clinical Laboratories v. Golden State Health Centers, et al.,
Superior Court of the State of California for the County of Los Angeles (2005)
— opinions pertained to Medicare, Medi-Cal and other third-party health insurance
claim processes and requirements, clinical laboratory requisition ordering systems,
financial and operating results of selected skilled nursing facilities (SNFs), and other matters.
Alta Health & Life Ins. Co. v. NDC Infrared Engineering,
Superior Court of the State of California for the County of Los Angeles (2004)
— opinions pertained to the statutory and regulatory requirements of the
Employee Retirement Income Security Act of 1974 (ERISA), the California
Insurance Code, the California Health and Safety Code, and the California
Knox-Keene Act; health insurance industry standards and practices associated
with Administrative Service Agreements (ASOs), group stop-loss policies, and
terminal stop-loss protection policies; financial obligations of insurers and
employers for employee and dependent health benefit plans; economic incentives
of healthcare providers, and other matters.
NCO Financial Systems Inc. v. Estate of Betty DeYoung and Danielle Swisher,
Superior Court of the State of California for the County of Los Angeles (2003)
— opinions pertained to the appropriateness, length of stay, posted charges and
payment amounts for several hospital inpatient admissions of an elderly woman.
Houston Northwest Partners, New Medical Horizons, Tenet Healthcare v. PacifiCare of Texas, Inc.,
American Arbitration Association, Dallas, TX (2002)
— opinions pertained to the proper interpretation of various sections
(including stop-loss, prior-authorization, pass-through and medical-necessity
provisions) of a provider services agreement (PSA) between a major HMO and
four acute-care hospitals as well as proper coding and billing procedures
for ambulatory-surgery center (ASC) and skilled-nursing facility (SNF) services.
Sisters of Providence Saint Joseph Medical Center v. PacifiCare of California,
Superior Court of the State of California for the County of Los Angeles (2001-02)
— opinions pertained to the proper interpretation of various sections of provider
services agreements (PSAs) between a major HMO and various acute-care hospitals
as well as reciprocity agreements among participating hospitals of the health plan.
Silva v. Pontarelli et al.,
Superior Court of California for the County of Los Angeles (1998)
— opinions pertained to the operation of the Medi-Cal disproportionate
share hospital (DSH) program, hospital licensing, hospital economics,
the value and viability of small hospitals, and Medicare and Medi-Cal policies and procedures.
Rochin v. Foundation Health et al.,
Superior Court of California for the County of Los Angeles (1997)
— opinions pertained to enrollment, disenrollment and marketing
practices of prepaid health plans participating in the Medi-Cal program.
Daniel Zapata v. Newberg Construction,
Superior Court of California for the County of Los Angeles (1997)
— opinions pertained to typical hospital total charges for a specific orthopedic surgical operation.
Endocrine Sciences v. Oltmans Construction Co.,
Superior Court of California for the County of Los Angeles (1996)
— opinions pertained to the cost of moving and relocation expenses,
which might be incurred during anticipated construction repairs of a clinical reference laboratory.
Integrated Clinical Laboratories v. Waked Corporation (dba Advanced Medical Laboratory, et. al.),
Superior Court of the State of Arizona for the County of Yuma (1994)
— opinions pertaining to the effect of the Medicare and Medicaid Anti-fraud
and Abuse Statute (42 U.S.C. §1320a-7b) on certain business transactions.
Advanced Home Care, Inc. v. Integrated Care Systems, Inc. et al.,
Superior Court of the State of California for the County of Orange (1991)
— opinions pertained to the financial performance of plaintiff, market trends
and conditions experienced by home health agencies (HHAs) in the 1980s,
and the use of utilization review and case management techniques by health-benefit plans.
Berliner et al. v. Los Angeles Medical Management Corp. et al.,
Superior Court of California for the County of Los Angeles (1990)
— opinions pertained to legislative and regulatory changes affecting
hospitals in California during the 1980s.
Meris, Inc. v. Memorial Health Technologies,
Superior Court of California for the County of Santa Clara (1989-90)
— opinions pertained to alternative investment opportunities, physician
office laboratories (POLs), Medicare and Medi-Cal reimbursement,
private health insurance reimbursement, legislative changes affecting
POLs, and excess capacity in the medical laboratory industry.
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