Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William Ellis Doak

Individual provider Internal Medicine Physician · NPI 1477243772

William Ellis Doak is an Internal Medicine in Providence, Rhode Island. Graduated from Warren Alpert Medical School of Brown University in 2023, 3 years ago. Licensed in Rhode Island.

Years since qualifying
3
Trained at
Warren Alpert Medical School of Brown University
Licensed in
RI
In the registry since
2023
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Practice location Address checks out

593 Eddy St
Providence, RI 02903-4923
Phone: (401) 444-4741
Fax: (401) 444-4445
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD21364 (RI)

Record details

NPI number1477243772
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 10, 2023
Last updated in NPPESJune 25, 2026
Certification dateJune 25, 2026
Mailing address15 Lasalle Square, Providence, RI 02903-1814

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Providence