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

Dr. William Millen Kettyle, MD

Individual provider Internal Medicine Physician · NPI 1306823414

Dr. William Millen Kettyle, MD is an Internal Medicine Physician in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
Specialties on file
3
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

77 Mass Avenue Medical E23
Cambridge, MA 02139
Phone: (617) 253-4487
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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 35673 (MA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 35673 (MA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 35673 (MA)

Record details

NPI number1306823414
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESApril 5, 2012

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