Business Services Industry
HMOs: ranked by number of local enrollees as of June 30, 2007
San Diego Business Journal, Dec 31, 2007 by Emily Knight
HMOs
Ranked by number of local enrollees as of June 30, 2007
Local
enrollees: (1)
* 2007
Rank Organization * 2006
(last Address Telephone * % change
year) Web site Fax (loss)
1 Kaiser Permanente (619) 528-5000 488,822
(1) 4647 Zion Ave., (619) 528-7535 482,990
San Diego 92120 1
www.kp.org
2 PacifiCare/Secure (858) 658-8500 325,000
(2) Horizons (858) 658-8890 312,000
5995 Plaza Drive, 4
MailStop Cy20-583,
Cypress 90630
www.pacificare.com
3 Health Net of California (818) 676-6775 156,000
(3) 21281 Burbank Blvd., 148,000
Woodland Hills 91367 5
www.healthnet.com
4 Community Health Group (619) 422-0422 96,294
(4) 740 Bay Blvd., (619) 422-5930 96,184
Chula Vista 91910 0
www.chgsd.com
5 Aetna (619) 497-4000 59,820
(7) 7676 Hazard Center Drive, (619) 497-4024 45,737
#1100, San Diego 92108 31
www.aetna.com
6 Blue Shield of California (415) 229-5000 59,285
(5) 50 Beale St., (415) 229-5070 65,110
San Francisco 94105 (9)
www.blueshieldca.com
7 Sharp Health Plan (619) 228-2377 43,816
(6) 4305 University Ave., (619) 228-2444 51,959
#200, San Diego 92105 (16)
www.sharphealthplan.com
8 Cigna HealthCare of (818) 500-6370 38,457
(8) California (619) 641-5499 34,662
400 N. Brand Blvd., #400, 11
Glendale 92103
www.cigna.com
HMO
characteristics:
* Group (2)
* Network (3)
Rank Organization Local full-time * IPA (4)
(last Address employees as of * Federally
year) Web site June 30, 2007 qualified
1 Kaiser Permanente 4,853 Yes
(1) 4647 Zion Ave., na
San Diego 92120 na
www.kp.org Yes
2 PacifiCare/Secure 400 No
(2) Horizons Yes
5995 Plaza Drive, No
MailStop Cy20-583, Yes
Cypress 90630
www.pacificare.com
3 Health Net of California 50 Yes
(3) 21281 Burbank Blvd., Yes
Woodland Hills 91367 Yes
www.healthnet.com Yes
4 Community Health Group 128 No
(4) 740 Bay Blvd., Yes
Chula Vista 91910 No
www.chgsd.com No
5 Aetna na No
(7) 7676 Hazard Center Drive, Yes
#1100, San Diego 92108 No
www.aetna.com na
6 Blue Shield of California 19 Yes
(5) 50 Beale St., Yes
San Francisco 94105 Yes
www.blueshieldca.com Yes
7 Sharp Health Plan 18,000 Yes
(6) 4305 University Ave., Yes
#200, San Diego 92105 Yes
www.sharphealthplan.com No
8 Cigna HealthCare of na na
(8) California Yes
400 N. Brand Blvd., #400, na
Glendale 92103 na
www.cigna.com
Number of local
contracting
facilities:
Rank Organization Number of local * Hospitals
(last Address contracting * Skilled
year) Web site physicians nursing
1 Kaiser Permanente 1,048 11
(1) 4647 Zion Ave., 12
San Diego 92120
www.kp.org
2 PacifiCare/Secure 2,300 30
(2) Horizons na
5995 Plaza Drive,
MailStop Cy20-583,
Cypress 90630
www.pacificare.com
3 Health Net of California 4,300 20
(3) 21281 Burbank Blvd., 38
Woodland Hills 91367
www.healthnet.com
4 Community Health Group 2,594 19
(4) 740 Bay Blvd., 30
Chula Vista 91910
www.chgsd.com
5 Aetna 4,023 24
(7) 7676 Hazard Center Drive, na
#1100, San Diego 92108
www.aetna.com
6 Blue Shield of California 3,156 24
(5) 50 Beale St., na
San Francisco 94105
www.blueshieldca.com
7 Sharp Health Plan 2,938 14
(6) 4305 University Ave., 4
#200, San Diego 92105
www.sharphealthplan.com
8 Cigna HealthCare of na na
(8) California na
400 N. Brand Blvd., #400,
Glendale 92103
www.cigna.com
Rank Organization
(last Address * Parent company
year) Web site * Headquarters
1 Kaiser Permanente Kaiser Foundation
(1) 4647 Zion Ave., Hospital/Health Plan
San Diego 92120 Oakland
www.kp.org
2 PacifiCare/Secure PacifiCare Health
(2) Horizons Systems
5995 Plaza Drive, Cypress
MailStop Cy20-583,
Cypress 90630
www.pacificare.com
3 Health Net of California Health Net Inc.
(3) 21281 Burbank Blvd., Woodland Hills
Woodland Hills 91367
www.healthnet.com
4 Community Health Group Community Health
(4) 740 Bay Blvd., Group
Chula Vista 91910 Chula Vista
www.chgsd.com
5 Aetna Aetna Inc.
(7) 7676 Hazard Center Drive, Hartford, Conn.
#1100, San Diego 92108
www.aetna.com
6 Blue Shield of California California Physician's
(5) 50 Beale St., Service
San Francisco 94105 San Francisco
www.blueshieldca.com
7 Sharp Health Plan Sharp HealthCare
(6) 4305 University Ave., San Diego
#200, San Diego 92105
www.sharphealthplan.com
8 Cigna HealthCare of Cigna Corp.
(8) California Philadelphia
400 N. Brand Blvd., #400,
Glendale 92103
www.cigna.com
Rank Organization * Local Year
(last Address executive established
year) Web site * Title(s) locally
1 Kaiser Permanente Nathaniel L. 1967
(1) 4647 Zion Ave., Oubre
San Diego 92120 senior vice
www.kp.org president
2 PacifiCare/Secure David Hansen 1978
(2) Horizons CEO
5995 Plaza Drive,
MailStop Cy20-583,
Cypress 90630
www.pacificare.com
3 Health Net of California Robert D'Angelo 1979
(3) 21281 Burbank Blvd., regional vice
Woodland Hills 91367 president
www.healthnet.com
4 Community Health Group Norma Diaz 1985
(4) 740 Bay Blvd., CEO
Chula Vista 91910
www.chgsd.com
5 Aetna Karen Tjaden 1981
(7) 7676 Hazard Center Drive, site manager
#1100, San Diego 92108
www.aetna.com
6 Blue Shield of California Alexi Vontsolos 1988
(5) 50 Beale St.,
San Francisco 94105
www.blueshieldca.com
7 Sharp Health Plan Melissa Cook 1946
(6) 4305 University Ave., president, CEO
#200, San Diego 92105
www.sharphealthplan.com
8 Cigna HealthCare of Christopher De 1977
(8) California Rosa
400 N. Brand Blvd., #400, president,
Glendale 92103 general manager
www.cigna.com
wnd Would not disclose
na Not available
NA Not applicable
(NR) Not ranked
Notes: HMO: A health maintenance organization is a group of physicians
organized to provide medical care to voluntarily enrolled individuals
for a fixed, prepaid, periodic payment. The HMOs participating in the
list underwrite risk for the enrollees covered under their managed-
care programs.
Source: The organizations.
It is not the intent of this list to endorse the participants nor to
imply an organization's size or numerical rank indicates its quality.
(1) Enrollees: Includes the initial subscriber and enrolled dependents
for group health plans only.
(2) Group: A group model consists of hospitals and doctors providing
care and services exclusively for HMO recipients.
(3) Network: A network model is an HMO contracting with two or more
independent group practices (no solo practices) to provide health care
services.
(4) IPA: An individual practice association is the most common type of
arrangement for HMOs. Care is provided by a network of independent
physicians alone or in medical groups to care for enrollees.
Researched by Emily Knight
Originally published Oct. 22, 2007
COPYRIGHT 2007 CBJ, L.P.
COPYRIGHT 2008 Gale, Cengage Learning
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