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

Dr. William W. Li, MD

Individual provider Internal Medicine Physician · NPI 1528277886

Dr. William W. Li, MD is an Internal Medicine Physician in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Broadway 14th Fl
Cambridge, MA 02142-1100
Phone: (617) 401-2779
Fax: (617) 401-3782
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 151369 (MA)

Record details

NPI number1528277886
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2007
Last updated in NPPESFebruary 18, 2014
Mailing address1 Broadway, 14th Floor, Cambridge, MA 02142-1100

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