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

Dr. Vivian Marie Sierra, PHD, LMFT

Individual provider Marriage & Family Therapist · NPI 1639199854

Dr. Vivian Marie Sierra, PHD, LMFT is a Marriage & Family Therapist in Belleville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

6609 W Main St Ste A
Belleville, IL 62223-3025
Phone: (618) 398-6552
Fax: (618) 398-6552
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X (IL)

Record details

NPI number1639199854
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LMFT
Sole proprietorYes
NPI enumeratedJuly 20, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Belleville