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

Holly Lynn Seddon, MD

Individual provider Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1598707044

Holly Lynn Seddon, MD is an Addiction Medicine (Psychiatry & Neurology) Physician in Danbury, 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

24 Hospital Ave
Danbury, CT 06810-6099
Phone: (203) 797-7443
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084A0401X · Licence 043673 (CT)

Record details

NPI number1598707044
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2006
Last updated in NPPESJuly 13, 2026