William Ellis Doak
Internal Medicine • Providence, RI
Professional Overview & Biography Verified Profile Summary
William Doak is a registered healthcare professional specializing in Internal Medicine in Providence, RI. Practice services are available at 593 EDDY ST under active NPI credentials.
Practice Location & Contact Primary Location
593 Eddy St
Providence, RI 029034923
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Providence, RI
Practicing in Providence, RI (1079 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-25NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 15 LASALLE SQUARE, PROVIDENCE, RI 029031814 (Tel: 4014442369)
Internal Medicine (License #MD21364 in RI)
Internal Medicine (License #LP0587 in RI)
NPI status registered as active in NPPES database
Registered at 593 EDDY ST, PROVIDENCE, RI 029034923 (Tel: 4014444741)
Registered at 593 EDDY ST, PROVIDENCE, RI 029034923 (Tel: 4014444741)
Recorded as WILLIAM DOAK
Student in an Organized Health Care Education/Training Program (License #LP05857 in RI)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
15 Lasalle Square
Providence, RI 029031814
Phone: 4014442369
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