Approved Service Areas


Golden State Medicare Health Plan serves San Luis Obispo and Stanislaus County and Partial Contra Costa, Orange, Los Angeles and Riverside Counties.

Medicare qualified people living in approved zip codes are eligible to enroll in the plan. You can search by county and zip to determine your area's eligibility to enroll.

The provider network may change at any time. You will receive notice when necessary.

City Zip
Aguanga 92536
Alamo 94507
Anaheim 92801 92802 92803 92804 92805 92806 92807 92808 92809 92812 92814 92815 92816 92817 92825 92850 92899
Anza 92539
Arroyo Grande 93420 93421
Artesia 90701 90702
Atascadero 93422 93423
Atwood 92811
Avila Beach 93424
Banning 92220
Beaumont 92223
Bellflower 90706 90707
Bradley 93426
Brea 92821 92822 92823
Buena Park 90620 90621 90622 90623 90624
Cabazon 92230
Calimesa 92320
Cambria 93428
Canyon 94516
Carson 90745 90746 90747 90749 90895
Cathedral City 92234 92235
Cayucos 93430
Ceres 95307
Cerritos 90703
Coachella 92236
Compton 90220 90221 90222 90223 90224
Concord 94518 94519 94520 94521 94522 94524 94527 94529
Corona 92877 92878 92879 92880 92881 92882 92883
Costa Mesa 92626 92627 92628
Creston 93432
Crows Landing 95313
Cypress 90630
Danville 94506 94526
Denair 95316
Desert Hot Springs 92240 92241
Diablo 94528
Empire 95319
Farmington 95230
Fountain Valley 92708 92728
Fullerton 92831 92832 92833 92834 92835 92836 92837 92838
Garden Grove 92840 92841 92842 92843 92844 92845 92846
Grover Beach 93433 93483
Gustine 95322
Harmony 93435
Hawaiian Gardens 90716
Hemet 92543 92544 92545 92546
Hickman 95323
Homeland 92548
Hughson 95326
Huntington Beach 92605 92615 92646 92647 92648 92649
Idyllwild 92549
Indian Wells 92210
Indio 92201 92202 92203
Keyes 95328
La Grange 95329
La Habra 90631 90632 90633
La Mirada 90638
La Quinta 92253
Lafayette 94549
Lake Elsinore 92530 92531 92532
Lakewood 90711 90712 90713 90714 90715
Long Beach 90801 90802 90803 90804 90805 90806 90807 90808 90809 90810 90813 90814 90815 90822 90831 90832 90833 90834 90835 90840 90842 90844 90845 90846 90847 90848 90853 90888 90899
Los Alamitos 90720 90721
Los Osos 93412
Maricopa 93252
Martinez 94553
Mecca 92254
Menifee 92584
Midway City 92655
Mira Loma 91752
Modesto 95350 95351 95352 95353 95354 95355 95356 95357 95358 95397
Moraga 94556 94570 94575
Moreno Valley 92551 92552 92553 92554 92555 92556 92557
Morro Bay 93442 93443
Mountain Center 92561
Murrieta 92562 92563 92564
Newman 95360
Newport Beach 92658 92659 92660 92661 92662 92663
Nipomo 93444
Norco 92860
North Palm Springs 92258
Norwalk 90650 90651 90652 90659
Nuevo 92567
Oakdale 95361
Oceano 93445 93475
Orange 92856 92857 92859 92862 92863 92864 92865 92866 92867 92868 92869
Orinda 94563
Palm Desert 92211 92255 92260 92261 92262 92263 92264
Paramount 90723
Paso Robles 93446 93447
Patterson 95363
Perris 92570 92571 92572 92599
Pismo Beach 93448 93449
Pittsburg 94565
Placentia 92870 92871
Pleasant Hill 94523
Rancho Mirage 92270
Riverbank 95367
Riverside 92501 92502 92503 92504 92505 92506 92507 92508 92509 92513 92514 92515 92516 92517 92518 92519 92521 92522
Salida 95368
San Jacinto 92581 92582 92583
San Luis Obispo 93401 93402 93403 93405 93406 93407 93408 93409 93410
San Miguel 93451
San Ramon 94582 94583
San Simeon 93452
Santa Ana 92701 92702 92703 92704 92705 92706 92707 92711 92712 92725 92735 92799
Santa Margarita 93453
Santa Maria 93454
Seal Beach 90740
Shandon 93461
Signal Hill 90755
Stanton 90680
Sun City 92585 92586 92587
Sunset Beach 90742
Surfside 90743
Temecula 92589 92590 92591 92592 92593
Templeton 93465
Thermal 92274
Thousand Palms 92276
Tracy 95304
Turlock 95380 95381 95382
Tustin 92780 92782
Vernalis 95385
Villa Park 92861
Walnut Creek 94595 94596 94597 94598
Waterford 95386
Westley 95387
Westminster 92683 92684 92685
Whitewater 92282
Wildomar 92595
Wilmington 90744 90748
Winchester 92596
Yorba Linda 92885 92886 92887