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

Dr. Seth Montgomery Sullivan, MD

Individual provider Family Medicine Physician · NPI 1750496048

Dr. Seth Montgomery Sullivan, MD is a Family Medicine Physician in Norwalk, 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

34 Maple St
Norwalk, CT 06850-3815
Phone: (203) 852-3045
Fax: (203) 855-3589
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 048044 (CT)

Record details

NPI number1750496048
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESMay 25, 2011

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