Below is a list of Insurance Companies that Dr. Armstrong and ARMSTRONG Performance & Treatment Center accept. If you don't see your company on this list, please call us at: 949-305-0777 or 949-795-9196 and we will call your company to verify your coverage.

AETNA - 888-257-0403
P.O. Box 14089
Lexington, KY 40512

BLUE CROSS - 800-345-4344
P.O. Box 37010
Louisville, KY 40233

BLUE CROSS/BLUE SHIELD Of South Carolina - 800-334-7287
Piedmont Service Center
P.O. Box 6000
Greenville, SC 29606

BLUE CROSS Of California - 800-677-6669
P.O. Box 60007
Los Angeles, CA 90060

BLUE SHIELD Of California - 800-241-4896
P.O. Box 272570
Chico, CA 95927

CIGNA - 800-244-6224
P.O. Box 182223
Chattanooga, TN 37422

COMMUNITY CLAIMS ADMINISTRATION - 866-627-7822
P.O. Box 14010
Orange, CA 92863

DEFINITY HEALTH - 866-333-4648
P.O. Box 740810
Atlanta, GA 30374

FISERV HEALTH - 866-881-0111
P.O. Box 370
Pueblo, CO 81002

GREAT-WEST HEALTHCARE - 866-494-2111
1000 Great-West Drive
Kennett, MO 63857

HEALTH NET - 800-361-3366
P.O. Box 14702
Lexington, KY 40512

MEDICA - 800-458-5512
P.O. Box 30990
Salt Lake City, UT 84130

PACIFICARE - 866-316-9776
P.O. Box 6099
Cypress, CA 90630

UNICARE - 800-333-3304
P.O. Box 4458
Chicago, IL 60680

UNITED HEALTHCARE - 877-842-3210
P.O. Box 30555
Salt Lake City, UT 84130