MN (1)(29)
Page 1 of 5
Corporations and LLCs are shown in rectangles.
UNITEDHEALTH GROUP INCORPORATED As of Dec. 31, 2006
Partnerships are shown in triangles.
Continued
MN 100% (13)(14)(15)(16)(80)
DE 100% DE 100%(52)(15) DE 100%(15)(73)
United
Oxford Health Plans
Golden Rule Mid Atlantic Medical LLC HealthCare
Financial Corporation Services, LLC Services, Inc.
CA 100%(74)
Continued
Investors Guaranty DE 100%(26) RI 100%(9)(15) DE 100%(38)
WI 100%(3)(15)(16) Life Insurance UnitedHealthcare of DE 100%(65) DE 100%(15)(16)
MD 100%(5) Company (Ins.) UnitedHealth
American Medical UnitedHealthcare, New England, Inc.
NAIC No. 64890 (HMO) (M+CO) Networks, Inc.
Security Life Physicians Health DE AL 100%(15) Inc. UHIC Holdings, Inc. Uniprise, Inc.
100%(5)
Insurance Company Plan of Maryland, NAIC No. 95149
CT 100%(75) United HealthCare of
(Ins) Inc.
NAIC No. 97179 Fidelity Insurance Alabama, Inc.
Oxford Health Plans OH 100%(2) DE 100%
Group Inc. (HMO) (M+CO) CT 100%(30)(14)(15)
(CT), Inc. (HMO) United HealthCare of
NAIC No. 95784 United HealthCare
IN 100%(22) MD 76.7%(63) NAIC No. 96798 Ohio, Inc. UnitedHealth Capital, DE 100%
LA 100%(15)(16) NC 100% Insurance Company
(HMO) (M+CO) LLC
Golden Rule MD-Individual MD 100%(15)(16)(5) AZ 100% (Ins.)
United HealthCare of UnitedHealthcare of NAIC No. 95186
Insurance Company Practice Association, NJ 100% United HealthCare of NAIC No. 79413 HealthAllies, Inc.
Louisiana, Inc. North Carolina, Inc.
(Ins.) Inc. (HMO) (FQ) Fidelity Benefit Arizona, Inc. (HMO) (HMO) (M+CO)
Oxford Health Plans
NAIC No. 62286 NAIC No. 96310 Administrators, Inc. (HMO) NAIC No. 95833 NAIC No. 95103 UK 100% KY 100%
(NJ), Inc. (HMO)
NAIC No. 95506 NAIC No. 96016
Commonwealth IL 100%(33) DE 100%(16)(58)
IN 100%(27) MD 100%(53) MD 100%(21) TN 100%(15) UnitedHealth Europe
MD 100% Physicians Services United HealthCare
AZ 100% United HealthCare of Limited
All Savers Insurance UnitedHealthcare of Corporation Insurance Company Definity Health
Optimum Choice, Inc. CT 100% the Mid-Atlantic, Inc. Tennessee, Inc. of Illinois (Ins.) Corporation
Company (Ins.) (HMO) Physicians Medical Arizona Physicians (HMO) (HMO) NAIC No. 60318
NAIC No. 82406 NAIC No. 96940 Oxford Benefit Group, Inc. UK 100% DE 100%
IPA, Inc. NAIC No. 95025 NAIC No. 11147
Management, Inc. UnitedHealth Exante NY 100%(32)
CA 100%(42) NE 100%(8) TX 100%(16) Primary Care Financial United HealthCare
MD 100%(60) FL 100%(16) AR 100%(16) Limited Services, Inc. MN 100%(5)
Rooney Life United HealthCare of United HealthCare of Insurance Company
Insurance Company NY 100% Neighborhood Health United HealthCare of the Midlands, Inc. Texas, Inc. of New York (Ins.)
HomeCall Partnership, Inc. Arkansas, Inc. Definity Health of
(Ins.) (HMO) (M+CO) (HMO) UK 100% UT 100% NAIC No. 60093
Pharmaceutical Oxford Health Plans (FL HMO) (HMO) New York, Inc.
NAIC No. 73130 NAIC No. 95591 NAIC No. 95765
Services, Inc. (NY), Inc. (HMO) NAIC No. 95123 NAIC No. 95446 OH 100%(31)
NAIC No. 95479 UnitedHealth Primary
IN 100% MO 100%(11) UT 95.67% Exante Bank, Inc. United HealthCare
CO 100% Care Plus Limited
OH 100%(15)(16) United HealthCare of United HealthCare of Insurance Company MN 100%(5)
UnitedHealthOne of Ohio (Ins.)
MD 100%(61) NY 100%(76) United HealthCare of the Midwest, Inc. Utah
Agency, Inc. NAIC No. 73518
United Medical Colorado, Inc. (HMO) (M+CO) (HMO) ME 100%(48) DE 100% Lemhi Corporation
Oxford Health Resources, Inc. (HMO) NAIC No. 96385 NAIC No. 95501
HomeCall, Inc. Insurance, Inc. (Ins.) NAIC No. 95090
Passport Coast-to- NY 100%(36)
NAIC No. 78026 UnitedHealth
MS 100% WI 100% Unimerica Life
MI Advisors, LLC Coast, LLC
100% FL 100% UnitedHealthcare of Insurance Company DE 100%
United HealthCare of
United HealthCare of Mississippi, Inc. Wisconsin, Inc. of New York
MD 100%(62) IBA Health and Life
Florida, Inc. (HMO) (HMO) (M+CO) NAIC No. 11596 United HealthCare
Assurance Company
(HMO) (M+CO) NAIC No. 95716 NAIC No. 95710 Products, LLC
NAIC No. 81450
NAIC No. 95264 MD 100%(57)
FirstCall, Inc.
NY 100% WI 100%
MI 100% GA 100% KY 94.18% (15)(24)
UnitedHealthcare of DE 100%(16)
United HealthCare of United OneNet PPO, LLC
New York, Inc.
IBA Self Funded Georgia, Inc. ProcessWorks, Inc. HealthCare of
(HMO) United HealthCare
MO 100% Group, Inc. (HMO) Kentucky, Ltd. (HMO)
NAIC No. 95085 Service LLC
NAIC No. 95850 NAIC No. 96644
DE 100%(16)(81) MD 100%(58)
MLH Life Trust
MI 100% IL 100%(7) DE 100%(10)
UnitedHealthcare
UnitedHealthcare of Services Company of MAMSI Insurance
Southwest Michigan Illinois, Inc. the River Valley, Inc. IL 100%(82) IL 100%(83) Resources, LLC UnitedHealthcare
MD 100%(55) Health Network Inc. (HMO)(FQ) Alliance LLC
UnitedHealthcare UnitedHealthcare
NAIC No. 95776
Insurance Company Plan of the River
Alliance Recovery IN 100% WI 100%(35) of the River Valley Valley, Inc.
Services, LLC NAIC No. 12331 NAIC No. 95378 SC 100%
Arnett Health Plans, Midwest Security
Inc. Holding, Inc. Duncan Printing
Services, LLC
MD 100%(56) WI 100%(71) WI 100%(15) WI 100%(16)
IN 100% IN 100% IN 100% Midwest Security Life
MAMSI Life and
Health Insurance Arnett HMO, Inc. Insurance Company Midwest Security Midwest Security
Health Care Arnett Practice (Ins.) Care, Inc. Administrators, Inc.
Company (Ins.) (HMO)
Administrators, Inc. Association, LLC NAIC No. 79480
NAIC No. 60321 NAIC No. 95440
Page 2 of 5
As of Dec. 31, 2006
UnitedHealth Group Incorporated
subsidiaries continued Continued
DE 93.5%(17)(44)
United HealthCare Services, Inc.
subsidiaries continued AmeriChoice
Corporation
DE 100%
DE 100%
Specialized Care
Ovations, Inc. Services, Inc.
DE 100%
MN 100% (14,15,16) DE 100% (14) (15) (16) CA 100%
NY 100% United AmeriChoice
Dental Benefit
NY 100% MD 100%(14)(15)(16)(19) DE 100% ACN Group, Inc. Behavioral Health Services, Inc.
Providers, Inc.
Health
EverCare of New
York, IPA, Inc. Spectera of PacificDental
Spectera, Inc.
New York, IPA, Inc. Benefits, Inc.
CA 100% CA 100% NV 100%
NY 100%(15)(5) Dental Benefit U.S. Behavioral
DE 100%(5)(16)(17)
100%(64) CA 100% Providers of Health Plan, AmeriChoice
WI 100% 100%
Spectera Vision CA NV Managed Physical California, Inc. California Alliance, Inc.
Lifemark
Corporation Unimerica Insurance Services Pacific Union Nevada Pacific Network, Inc. (Knox Keene) (Knox Keene)
Company (Ins.) of California, Inc. Dental, Inc. Dental, Inc. (LSHMO)
NAIC No. 91529 (Knox Keene) (Knox Keene) NAIC No. 95758 IL CA 100%
100%(4)(23) NJ 100%(67)
Dental Benefit
DE 100% VA 100%(4) AmeriChoice of
NY 100% Providers of Behavioral Health
IL 100% TX 100%(46) New Jersey, Inc.
AZ 100% DE 100% Illinois, Inc. (LSHMO) Administrators
United Resource (HMO)
Spectera Vision, Inc. National Pacific NAIC No. 52053
Networks, Inc. Illinois Pacific ACN Group IPA of NAIC No. 95497
Evercare of Arizona, Evercare NAIC No. 95385 Dental, Inc. (HMO) New York, Inc.
Dental, Inc. NY 100%(5)
Inc. Connections, Inc. NAIC No. 95251 NY 100%
Dental Insurance NY 100%(68)(5)
NY 100% United
MD 100% Company of
Behavioral Health AmeriChoice of
TX 100%(79) 100% United Resource DE 100% America (Ins.)
DE of New York, New York, Inc.
Networks IPA Special Risk CA 100% NAIC No. 60218
Evercare of Texas, Evercare I.P.A., Inc. (HMO)
of New York, Inc. International, Inc. NPD Dental
L.L.C. (HMO) Collaborative ACN Group of NAIC No. 95475
Services, Inc. NY 100%
NAIC No. 11141 Solutions, Inc. California, Inc.
DE 100% IL 100%(5) (Knox Keene)
DBP-KAI, PA 100%(69)
NV 100%
DE 100%(59) Specialty Resource Inc. AmeriChoice of
EnvisionCare NPD Insurance Pennsylvania, Inc.
Services, Inc.
Alliance, Inc. Company, Inc. (Ins.) (HMO)
Evercare Hospice, CA 100%(5)
Inc. NAIC No. 12225 NAIC No. 95033
MD 100%(4)
NJ 100%(48) ME 100% Preferred Dental Benefit
Chiropractors Providers of MI 100%(70)
DE 100% National Benefit DCG Holdings, Inc. of California Maryland, Inc. Great Lakes Health
Resources, Inc. (fka Disability (LSHMO) Plan, Inc.
Evercare Hospice of Consulting Group) NAIC No. 47040 (HMO)
Collier County, Inc. NAIC No. 95467
MN 100% CA 100%(5)
Medical Network, Inc. ME 100%(16) ME 100%(47) AZ 100%
DE 100% dba Sierra
Health A to Z Disability Chiropractic, Inc.
DCG Resource Consulting Group, Information Network
Evercare Hospice of Options, LLC Corporation
Manatee County, Inc. LLC
PA 100% (5)
Revolution Health
Systems, Inc.
Page 3 of 5
As of Dec. 31, 2006
UnitedHealth Group Incorporated
subsidiaries continued
DE 100%
DE 100% Caymans 100% DE 100%(77)
IN 100%(15)(16)(78)
Ingenix, Inc. UnitedHealthcare H&W PacifiCare Health
International Asia, LLC Indemnity, Ltd. PacifiCare Health
Systems, LLC
Plan Administrators,
Inc.
DE 100%(18) KS 100% DE 100% Hong Kong 99%(25) TX 100% IN 99%(41) DE 100%(15)(16)
DE 100% PacifiCare of Texas, PacifiCare Life and PacifiCare
Ingenix Aperture UnitedHealthcare Asia Inc. Health Insurance Behavioral Health,
Pharmaceutical Netherlands 100% Costa Rica 100% GeoAccess, Inc (HMO) Inc.
Credentialing, Inc. Limited UHC International Company
Services, Inc. Holdings, Inc. NAIC No. 95174 (Ins)
Ingenix International E.C. Investigaciones NAIC No. 70785 DE 100%
(Netherlands) BV del Sur S.A. DE 100% AZ 100%
Malaysia 50%(20) PacifiCare
OK 100% CO 100%(50) Behavioral Health
Canada 100% MI 100% Ingenix Publishing, Symmetry Health PacifiCare of PacifiCare Life
Spain 100% UnitedHealthcare DE 100% of California, Inc.
Argentina 100% Inc. Data Systems, Inc. Oklahoma, Inc. Assurance Company (Knox Keene)
International
i3 Canada, Inc. STATPROBE, Inc. (HMO) (Ins)
Malaysia Sdn. Bhd.
Worldwide Clinical UHC International NAIC No. 96903 NAIC No. 84506 CA 100%(12)(15)(60)
LatinTrial DE 100% MA 100%
Trials, SL Services, Inc.
Argentina S.A. WA 100% Bermuda 100%(5)
Integrated Healthcare Malaysia 100%
DE 100%(5) Czech 100% Ingenix Health PacifiCare of RxSolutions, Inc.
Information Services,
Hungary 96.67%(49) Intelligence, Inc. Inc. Washington, Inc. FHP Reinsurance
Innovus Research Uruguay 100% (HMO) Limited
Ingenix International United Health Connect
(U.S.), Inc. (Czech Republic), Sdn. Bhd. Mauritius 100% NAIC No. 48038 NY 100%(86)
Ingenix International CT 100%(84)
s.r.o. LatinTrials
Hungary Ltd. PacifiCare
Uruguay S.R.L. United Healthcare OR 100% CA 100%
UK 100%(5) International PacifiCare of Oregon, Behavioral Health NY
Sweden 100% HSS, Inc. Philippines 49.86%(34) IPA, Inc.
Mauritius Limited Inc. PacifiCare Dental
So. Africa 100%
Innovus Research Chile 100% (HMO) (Knox Keene)
Ingenix Ingenix NAIC No. 95893
(U.K.), Limited Philam Care Health IN 100%(51)
Pharmaceutical Pharmaceutical DE 100% India 62.56%(40) PacifiCare Insurance
LatinTrials Chile Systems, Inc.
Services (Sweden) AB Services (RSA) CA 100% CO 100%(15)(16) Company
S.A.
Proprietary Limited Ingenix Public Sector Aspire Global Support PacifiCare Dental of (Ins)
Services Private PacifiCare of
Germany 100% Argentina 95%(39) Solutions, Inc. Colorado, Inc. NAIC No.12322
Limited California
Finland 100% DE 100% (HMO)
Ingenix Ingenix Mexico 100% (Knox Keene)
NAIC No. 11189 CA 100%
Pharmaceutical Pharmaceutical
Services DE 100%
Services de Argentina Ingenix International Malaysia 70% (45)
LatinTrials Mexico UnitedHealth Group AZ 100% CA 100% Union Health
(Deutschland) GmbH S.R.L. (Finland) Oy S.A. De C.V. International, Inc. PacifiCare of Arizona, Solutions, Inc.
HWT, Inc. MediExpress Inc. SecureHorizons USA,
Hong Kong 99.99%(6) Poland 100%
Sdn. Bhd. (HMO) Inc.
Peru 100% NAIC No. 95617 DE 100%(5)
Ingenix International DE 100%
(Hong Kong) Limited i3 Poland sp z.o.o. DE 100%
LatinTrials Peru NV 100% Ireland 100%
India 99.95%(28) PacifiCare of Nevada, Salveo Holding, LLC
S.A. Hygeia Corporation PacifiCare
UK 100% (37) PsychCME, Inc. Inc.
Croatia 100% UK 100% United Healthcare International
(HMO)
ClinPharm India Limited Caymans 100%(5)
Ingenix Ingenix Costa Rica 100% NAIC No. 95685
Pharmaceutical International Pharmaceutical DE 100% (Private) Limited
Nova Scotia 100% Salveo Insurance
Services d.o.o. Limited Services (UK) Limited CO 100%
LatinTrials PacifiCare of Company, Ltd.
Costa Rica S.A. NWH, Inc. Hygeia Holdco Colorado, Inc. (Ins)
India 99.99%
DE 94.8%(66) Spain 100% Italy 99%(43) (Nova Scotia) (HMO)
Omega Insurance NAIC No. 95434 CA 100%
Distance Learning Ingenix Brazil 100%
Ingenix International DE 100% Advisors Private
Network, Inc. Pharmaceutical Ontario 100%
(Italy) S.r.l. Latin T do Brasil Limited PacifiCare
Services (Spain) SL
Auditoria de eHoldings, Inc.
Electronic Network
Singapore 100%(85) Pesquisas Clinicas Hygeia Corporation
Australia 100% France 100% Systems, Inc.
Ltda. (Ontario)
Ingenix Ingenix DE 100%
Pacific Pharma
Pharmaceutical Pharmaceutical FL 100%
Partners Ptc Ltd.
Services (Australia) Services (France)
DE 100% SeniorCo, Inc.
Pty Ltd SARL
Latin T US LLC
UnitedHealth Group
Finance Company, Inc.