Physicians should verify individual enrollment now, while IPAs and medical groups prepare for phased checks that could affect prescriptions, referrals,s and payments.
California physicians and practice leaders should review their Medi-Cal enrollment records before the state expands enforcement in 2027. The California Department of Health Care Services (DHCS) will strengthen checks on an existing ordering, referring, and prescribing (ORP) enrollment requirement across pharmacy, medical, and behavioral-health billing systems.
The California Medical Association (CMA) reports that enforcement will begin in February 2027, with additional provider types and services following in phases. Physicians’ own ordering, referring, and prescribing activity will enter enforcement later, CMA says. However, practices could encounter denials earlier when they provide services based on orders or referrals from other clinicians already subject to enforcement.
Verify individual enrollment
Physicians should check the DHCS enrolled-provider list using their individual Type 1 National Provider Identifier (NPI). Those who already hold qualifying individual Medi-Cal enrollment, including billing or rendering enrollment, do not need a separate ORP-only application. Clinicians who lack qualifying enrollment can apply through the Provider Application and Validation for Enrollment system, known as PAVE.
A Medi-Cal managed-care contract or Medicare enrollment does not replace individual Medi-Cal enrollment. DHCS also warns that submitting an application alone does not satisfy the requirement or justify a pharmacy claim-denial override.
The ORP-only pathway serves eligible clinicians who order, refer, or prescribe without billing Medi-Cal directly. An organizational Type 2 NPI does not satisfy the individual enrollment requirement. ORP-only enrollment also does not authorize reimbursement for services the clinician provides directly.
Administrative staff can prepare applications, but clinicians must review the information and complete their own agreements and signatures. DHCS charges no ORP application fee. It typically reviews or responds to physician applications within 90 days and applications from other license types within 180 days. These periods do not guarantee approval; requests for additional information can extend processing.
Prepare across the network.
DHCS advises billing providers to verify the relevant ordering, referring, or prescribing clinician’s enrollment and include the required individual NPI on claims. A practice’s own enrollment does not eliminate payment risk involving another clinician.
For independent physician associations (IPAs) and medical groups, these requirements support coordinated preparation. Practical steps include checking clinician rosters against enrollment records, tracking applications through approval, and reviewing how billing systems capture required ordering and referring NPIs.
Protect continuity of care.
DHCS warns that unenrolled prescribers can encounter pharmacy prior authorization denials once enforcement applies. Specialists and laboratories may also check referring or ordering clinicians’ enrollment before accepting referrals or performing tests. The reviewed sources describe potential access problems; they do not establish widespread disruption from the forthcoming rollout.
What remains unclear
PNN could not independently verify the complete provider-by-provider enforcement schedule. CMA reports a February 2027 start, while DHCS’s current FAQ specifies the first quarter and directs readers to its September town hall presentation. February should not serve as a universal deadline for every physician and service.

