California accounted for 1,706 providers in the latest CMS NPI registry weekly update, representing 18% of the national weekly total. With 948 new providers added this week, California’s volume signals a major concentration of behavioral health activity and a market large enough to support continued clinic expansion and workforce recruitment.

ABA Workforce Mix

The registry lists 84 BCBA credentials and 768 RBT credentials, along with 13 dual BCBA-RBT credentials. These credential categories overlap: dual-credentialed providers may also be included in the BCBA and RBT counts, so they should not be treated as separate, mutually exclusive groups. The roughly nine-to-one RBT-to-BCBA relationship points to a large direct-service workforce but a comparatively smaller supervisory layer. Because BCBAs oversee RBT practice and treatment planning, that imbalance can constrain caseload capacity even when technician availability is strong.

Demographics and Organizations

Women represented 75% of providers, compared with 19% men and 7% nonbinary providers. The percentages are rounded and total more than 100%, so they should be read independently rather than as a partition. The registry also shows 1,606 individuals and 100 organizations, with 317 providers carrying multiple taxonomies. A Brighter Day Recuperative Care LLC appeared 3 times, while Sierra Vista Child & Family Services appeared 2 times, indicating repeated organizational presence in the update.

California’s unusually large provider pipeline, technician-heavy ABA mix and limited BCBA layer suggest expanding access potential alongside an ongoing need to grow supervision capacity across the state.