There are many medical transcription job opportunities available in California. You can search for these jobs through online job portals, such as Indeed, LinkedIn, and Glassdoor. You can also check with local healthcare facilities, such as hospitals, clinics, and private practices, to see if they have any openings for medical transcriptionists.

Here are a few companies in California that hire medical transcriptionists:

1. Nuance Communications: This company provides transcription services for the healthcare industry and hires medical transcriptionists in California.
2. Acusis: Acusis provides medical transcription and coding services and has offices in California.
3. Transcription for Everyone: This company provides medical transcription services and hires transcriptionists who are experienced in medical terminology.
4. MModal: MModal provides medical transcription services and hires remote transcriptionists in California.

You can also consider working as a freelance medical transcriptionist, which would allow you to work from home and set your own schedule. To find freelance opportunities, you can search online freelance job portals such as Upwork, Freelancer, and Guru.