California recorded 1,749 providers in the latest CMS NPI registry weekly update, representing 17% of the national weekly total. The registry lists 1,056 new providers this week, including 1,626 individuals and 123 organizations. California’s concentration signals a large and active behavioral health market, with provider growth likely to affect hiring, contracting and service availability across the state. NPI activity, however, does not by itself confirm active caseloads or open appointment capacity.

ABA Workforce Mix

The credential file lists 62 BCBA credentials, 781 RBT credentials and 8 dual BCBA-RBT credentials. These categories overlap and are not mutually exclusive shares of the provider total; taxonomy and credential fields can describe the same individual differently. The gap between BCBAs and RBTs points to a workforce built heavily around direct service, with comparatively fewer credentialed supervisors. Because BCBAs oversee RBTs, develop treatment plans and monitor clinical quality, supervisory capacity may constrain how quickly clinics can convert a large technician workforce into accessible ABA services. The dual-credential count is present but limited, suggesting that movement between direct-service and advanced clinical roles remains relatively uncommon in this update.

Demographics and Organizations

Gender data identifies 1,153 providers as female, 307 as male and 165 as nonbinary, corresponding to 71%, 19% and 10%. The listed cities include Monrovia, Los Angeles, San Diego, Fresno and Concord. Hathaway Sycamores Child and Family Services and Social Model Recovery Systems, Inc. each appear 8 times, while Orange County Association for Mental Health appears 3 times. Those repeated entries reflect organizational NPI activity, not necessarily separate employers or equivalent clinical capacity.

California’s strong RBT presence suggests continued ABA workforce expansion, while the smaller BCBA pool makes supervision capacity a central factor in future access.