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

Dr. Mary Ann Demetrius, MD

Individual provider Internal Medicine Physician · NPI 1295830966

Dr. Mary Ann Demetrius, MD is an Internal Medicine Physician in West Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
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

950 Campbell Ave
West Haven, CT 06516-2770
Phone: (203) 932-5711
Fax: (203) 937-4854
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 19989 (CT)

Record details

NPI number1295830966
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESJuly 8, 2007

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