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

Robert J Clinton Jr., MD

Individual provider Internal Medicine Physician · NPI 1144267352

Robert J Clinton Jr., MD is an Internal Medicine Physician in Portland, Maine. Licensed in Maine. Registered with an NPI since 2006.

Licensed in
ME
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

144 State St
Portland, ME 04101-3776
Phone: (207) 741-0504
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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 016239 (ME)

Record details

NPI number1144267352
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESJune 10, 2008
Mailing address144 State St, Portland, ME 04101-3776

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