WILLIAM R GREENFIELD (MD) – Family Medicine Physician, NPI 1740272988
Family Medicine Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for WILLIAM R GREENFIELD (MD)
716, South Milwaukee Avenue, Libertyville, Lake, Illinois, 60048, United States
LIBERTYVILLE, IL 600483225
Phone: (847) 362-1393
Fax: (847) 362-3797
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
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PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-02-02
PECOS data refreshed: 2026-05-27
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Medicare Utilization (FFS)
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No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60048)
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