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Sirius Solutions Global medical billing blog - Latest news and industry trends

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10 Internal Medicine Billing Companies in California (2026)

California internal medicine billing carries a layer of complexity most states don't: 24 distinct Medi-Cal managed care plans, IPA capitation arrangements running alongside fee-for-service claims, and a 2026 CalAIM restructuring of payment logic. This guide compares 10 billing companies serving California internal medicine practices, the criteria worth evaluating any of them against, and what's genuinely changed for 2026.

2 days ago