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

Dr. Demetri Antoniou, MD, DMD

Individual provider Otolaryngology Physician · NPI 1477646800

Dr. Demetri Antoniou, MD, DMD is an Otolaryngology Physician in Portland, Maine. Practices as a sole proprietor. Licensed in Maine.

Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
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

15 Sewall St
Portland, ME 04102-2641
Phone: (207) 774-1775
Fax: (207) 774-3126
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 012240 (ME)

Record details

NPI number1477646800
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , DMD
Sole proprietorYes
NPI enumeratedSeptember 30, 2006
Last updated in NPPESJuly 8, 2007

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