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

John T Devlin, MD

Individual provider Internal Medicine Physician · NPI 1770686800

John T Devlin, 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.

See every abbreviation used in this directory →

Practice location Address checks out

144 State St 4th Fl
Portland, ME 04101-3776
Phone: (207) 400-8500
Fax: (207) 400-8508
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 010202 (ME)

Record details

NPI number1770686800
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESDecember 4, 2013
Mailing address144 State St, 4th Floor, Portland, ME 04101-3776

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