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Search › Massachusetts › Internal Medicine Physician

Michael Royster, M.D

NPI 1184913899 · on the registry since 2011 · sole proprietor

Practice

Address
27 Park St
Hyannis, MA 02601
Phone
(508) 862-5976
Organisation at this address
Cap Cod Hospital
Cape Cod Hospital
Cape Cod Hospital
Cape Cod Hospital
Cape Cod Hospital Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
215

Registry record

Primary taxonomy
Internal Medicine Physician
207R00000X
Licence states on file
MA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-26

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts