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

Dr. Marissa A Ryan, DMD

Individual provider General Practice Dentistry · NPI 1215035340

Dr. Marissa A Ryan, DMD is a General Practice Dentistry in So Portland, Maine. Licensed in Maine. Registered with an NPI since 2006.

Licensed in
ME
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

25 Long Creek Dr
So Portland, ME 04106
Phone: (207) 774-6553
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 3833 (ME)

Record details

NPI number1215035340
Entity typeIndividual (Type 1)
GenderFemale
Credentials DMD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 8, 2007
Mailing address25 Plantation Dr, Scarborough, ME 04074