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

Dr. Robert Patrick Williamson, MD

Individual provider Internal Medicine Physician · NPI 1821068305

Dr. Robert Patrick Williamson, MD is an Internal Medicine Physician in Wilmington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

500 Salem St
Wilmington, MA 01887
Phone: (978) 988-6000
Fax: (781) 396-1620
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 51661 (MA)

Record details

NPI number1821068305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESMarch 23, 2017
Mailing address500 Salem Street, Wilmington, MA 01887

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