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

Leonard J Brennan, DMD, LLC

Organization General Practice Dentistry · NPI 1225151178

Leonard J Brennan, DMD, LLC is a General Practice Dentistry in Portland, Maine. Licensed in Maine. Registered with an NPI since 2007.

Licensed in
ME
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1250 Congress St
Portland, ME 04102-2135
Phone: (207) 773-2446
Fax: (207) 773-4990
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 2905 (ME)

Record details

NPI number1225151178
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leonard Brennan — Owner · (207) 773-2446
NPI enumeratedApril 7, 2007
Last updated in NPPESNovember 5, 2007
Mailing address1250 Congress St, Portland, ME 04102-2135

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