Medicaid’s Maternity Directories Are Full of Doctors Who Won’t See Patients.
A federal watchdog just audited Medicaid provider directories for maternity care and found a system riddled with ghost networks. Pregnant patients are calling OB-GYNs listed as in-network who have moved, retired, or stopped accepting Medicaid. The phone rings. Nobody picks up. Or someone picks up and says they have not taken Medicaid patients in years.
Medicaid covers more than 40% of births in the United States. These directories are not a minor administrative inconvenience. They are the first thing a newly pregnant woman on Medicaid does: open the directory, find an OB. When the directory is wrong, the search starts over, often weeks into a pregnancy when prenatal care should already be underway.
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The OIG report found that a significant share of OB-GYNs listed in Medicaid managed care directories could not be reached at the numbers provided, were no longer accepting Medicaid, or had incorrect addresses or affiliations. These errors are not randomly distributed. They are concentrated in the directories that low-income, pregnant women have no alternative to using.
The cost is measured in delayed prenatal care. The first trimester is when folic acid intake matters most, when certain screenings can only happen, and when conditions like gestational hypertension start to show early warning signs. A woman who cannot find a provider in week six and keeps calling until week twelve has already lost time that cannot be recovered.
Federal rules require Medicaid managed care plans to maintain accurate, up-to-date directories and verify provider information at least every 90 days. The audit found widespread non-compliance. Enforcement varies by state and is largely complaint-driven, meaning the burden falls on the patient to report the problem.
If you are navigating Medicaid for maternity care, call before you make an appointment. Ask explicitly whether the provider accepts your specific Medicaid plan, not just Medicaid generally. If your plan’s directory is wrong, filing a complaint with your state Medicaid agency creates a paper trail that strengthens the case for enforcement.
Source: OIG federal audit on Medicaid maternity ghost networks, reported by Fierce Healthcare, 2026.