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

MS. Marianne Croonquist, MS, MFT

Individual provider Professional Counselor · NPI 1942487756

MS. Marianne Croonquist, MS, MFT is a Professional Counselor in San Dimas, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
MS — Master of Science
A graduate science degree.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

1115 Via Verde Ave
San Dimas, CA 91773
Phone: (626) 806-8772
Fax: (909) 599-6661
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 36282 (CA)

Record details

NPI number1942487756
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , MFT
Sole proprietorYes
NPI enumeratedJanuary 23, 2008
Last updated in NPPESJanuary 23, 2008

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