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

Heidi Henderson Siebert, MFT

Individual provider Marriage & Family Therapist · NPI 1740455435

Heidi Henderson Siebert, MFT is a Marriage & Family Therapist in Southport, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2008
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

49 John Street New Learning Therapy Ctr
Southport, CT 06890-1436
Phone: (203) 307-3030
Fax: (203) 255-7486
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 001250 (CT)

Record details

NPI number1740455435
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedApril 24, 2008
Last updated in NPPESApril 24, 2008
Mailing address37 Senior Pl, Fairfield, CT 06825-1344

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