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

Individual provider Internal Medicine Physician · NPI 1801388970

Dr. William Lang, MD is an Internal Medicine Physician in Providence, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

164 Summit Ave
Providence, RI 02906-2853
Phone: (401) 793-4489
Fax: (401) 793-4047
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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 MD17518 (RI)
Internal Medicine Physician Taxonomy 207R00000X · Licence LP04359 (RI)

Record details

NPI number1801388970
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2018
Last updated in NPPESJuly 2, 2021
Certification dateJuly 2, 2021
Mailing address117 Ellenfield St Ste 101, Providence, RI 02905-4541

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