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F
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G
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H
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I
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J
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K
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M
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N
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O
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P
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Q
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R
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Directory Results for Iowa Medicaid Enterprise CMS1500 Claim Instructions Health Insurance Claim Form The following Iowa Medicaid provider types bill for services on the CMS1500 claim form: Ambulance, Ambulatory Surgical Centers, Area Education Agencies, Audiologists to Iowa Medicaid Enterprise Iowa Department of Human Services Medicare Crossover Invoice (Professional) Claim Instructions The Professional Medicare Crossover Invoice should be used to submit services to Iowa Medicaid that were originally billed to