California · Occupational Therapy Assistant

Occupational Therapy Assistant in California.

1,845 verified Occupational Therapy Assistant providers practise in California according to the National Plan and Provider Enumeration System (NPPES). Browse by city below, or click any provider to view their full NPI record including taxonomy, address, and contact details.

224Z00000X1,845 in California200 citiesRefreshed monthly

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San Diego117 Los Angeles105 Sacramento58 Long Beach43 Anaheim41 Whittier28 Riverside27 Garden Grove27 Fresno24 Laguna Hills23 Fullerton23 Santa Ana23 Downey22 Palm Desert22 Glendale22 Orange20 Temecula20 Apple Valley19 Huntington Beach18 Carmichael16 Chula Vista16 West Covina15 Encino15 Alhambra14 Stockton14 Van Nuys14 Bakersfield14 Arcadia12 Brea12 El Cajon12 Rancho Cucamonga12 Fontana11 Rescue11 Lancaster11 Montebello11 Redding11 Vacaville11 Placentia11 Norwalk10 Redlands10 Torrance10 Murrieta10 Chico10 Oakland10 Corona10 Irvine10 Escondido10 Fountain Valley10 Gardena10 San Clemente9 Santa Barbara9 Redondo Beach9 Clovis9 Salinas9 Bellflower9 Palmdale9 Lake Forest9 La Verne9 Santee8 Hemet8 National City8 Visalia8 Concord8 Covina8 San Francisco7 Merced7 Roseville7 Elk Grove7 Costa Mesa7 San Jose7 Vista7 Modesto7 Camarillo7 Hawthorne7 Ontario7 Mountain View6 Norco6 Simi Valley6 Pleasanton6 Culver City6 Pomona6 Ventura6 Monterey6 El Dorado Hills6 Rancho Mirage6 San Bernardino6 North Hollywood6 Lodi6 Carson6 Fremont6 Pasadena6 Glendora6 Turlock6 Hayward5 Montclair5 Mission Viejo5 Vallejo5 Twentynine Palms5 Thousand Oaks5 Sylmar5 Cerritos5 Sun Valley5 Spring Valley5 Santa Monica5 San Leandro5 Eureka5 Fairfield5 San Dimas5 Aliso Viejo5 Rialto5 Reseda5 La Mesa5 Oceanside5 Auburn4 Yorba Linda4 La Jolla4 Victorville4 San Marcos4 Rancho Cordova4 Poway4 San Rafael4 Davis4 Saratoga4 South Gate4 Carlsbad4 Tarzana4 Union City4 Westlake Village4 Valencia4 Brentwood4 Berkeley4 Menifee4 Madera4 Napa4 San Jacinto4 Rancho Palos Verdes4 Fair Oaks3 Artesia3 Arvin3 Baldwin Park3 Beverly Hills3 Buena Park3 Burbank3 Chino3 Colton3 Cypress3 Eastvale3 El Centro3 El Monte3 Foothill Ranch3 Hacienda Heights3 La Habra3 Lakeport3 Lynwood3 Monrovia3 Morgan Hill3 North Hills3 Panorama City3 Rancho Santa Margarita3 Rocklin3 San Ysidro3 Santa Cruz3 Santa Maria3 Seal Beach3 Tustin3 Walnut3 Watsonville3 West Sacramento3 Sonoma2 South El Monte2 Los Gatos2 Rosemead2 Hanford2 Playa Del Rey2 Stanton2 Chino Hills2 Gridley2 Chatsworth2 Pleasant Hill2 San Bruno2 Susanville2 Granada Hills2 Ladera Ranch2 Pala2 Livermore2 Palm Springs2 Canoga Park2 San Gabriel2 Encinitas2 La Mirada2 Duarte2 Woodland Hills2 San Luis Obispo2 Calabasas2 Dixon2 Upland2 Kingsburg2 San Pedro2 Lake Elsinore2 Anderson2

A representative sample · not the full listFeatured providers

18 of 1,845

Gary Wallum Cota/L

Occupational Therapy Assistant·San Diego, CA·1730427089

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Kristen Richardson

Occupational Therapy Assistant·Yorba Linda, CA·1942804497

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Gisela Garcia

Occupational Therapy Assistant·La Puente, CA·1104757764

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Hannah Spooner

Occupational Therapy Assistant·Sacramento, CA·1053916684

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Mr. Fred Batiller Cota/L

Occupational Therapy Assistant·Rancho Cucamonga, CA·1821431958

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Michelle Prince Cota

Occupational Therapy Assistant·San Diego, CA·1093159659

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Hannah Sampson

Occupational Therapy Assistant·Arcadia, CA·1407787930

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Mr. John Thomander Ota

Occupational Therapy Assistant·Carmichael, CA·1952743551

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Mr. Johnny Brown Cota

Occupational Therapy Assistant·Chula Vista, CA·1225624687

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Kids Connections Developmental Therapy Center

Occupational Therapy Assistant·Simi Valley, CA·1730616400

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Colleen Reape Cota

Occupational Therapy Assistant·Chico, CA·1972924389

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Stephanie Blackmore Cota

Occupational Therapy Assistant·Colton, CA·1306059035

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Rebecca Villa Cota

Occupational Therapy Assistant·San Diego, CA·1508284415

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Ms. Lorraine Sherrie Cota/C

Occupational Therapy Assistant·Dana Point, CA·1427476183

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John Voytko

Occupational Therapy Assistant·Chico, CA·1205689262

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Kevin Cecil

Occupational Therapy Assistant·Davis, CA·1427586213

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Barbara Brewer Cota/L

Occupational Therapy Assistant·Downey, CA·1932636420

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Mrs. Sarah Danser Cota

Occupational Therapy Assistant·Twentynine Palms, CA·1992120836

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See the full list by city:See all in San Diego 117 See all in Los Angeles 105 See all in Sacramento 58 See all in Long Beach 43 See all in Anaheim 41 See all in Whittier 28

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Occupational Therapy Assistant in other states

Texas4,250 Florida3,827 New York2,736 Ohio2,406 Pennsylvania2,147 Illinois1,496 Wisconsin1,459 North Carolina1,347

Other specialties in California

Behavior Technician166,255 Marriage Family Therapist62,567 Student In An Organized Health Care Education Training Program41,345 Clinical Social Worker37,074 Pharmacist32,714 Mental Health Counselor30,116

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Occupational Therapy Assistant nationwide →All California specialties →Browse all specialties →

Frequently asked · CaliforniaOccupational Therapy Assistant in California

As of the June 2026 NPPES snapshot, 1,845 providers with the Occupational Therapy Assistant taxonomy are registered to a California practice address. Counts refresh monthly from the public CMS registry.

Open any provider's full NPI record to see their active status, taxonomy, and registered California practice address. For real-time confirmation, the authoritative source is the CMS NPPES public registry, which FindMyNPI mirrors and refreshes monthly.

San Diego (117), Los Angeles (105), Sacramento (58). Use the "Refine by city" panel above to open any city's full directory.