Browse Health
Primary Care Doctor, Family Practitioner
28 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Additional Information
Dr. Mark William Lay MD is a male Family Practitioner, has 28 years of experience and practices in Family Medicine.
Where does Dr. Mark W. Lay practice?
Dr. Mark Lay has 2 office locations.
Dr. Mark Lay practices Family Medicine near Cassopolis, MI.
Additional practice locations include: Radisson, WI.
See Cassopolis Primary Care Doctors.