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

David Leong, MS, LMFT

Individual provider Marriage & Family Therapist · NPI 1780138701

David Leong, MS, LMFT is a Marriage & Family Therapist in Monrovia, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2016
What do these letters mean?
MS — Master of Science
A graduate science degree.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

1333 S Mayflower Ave Ste 360
Monrovia, CA 91016-5280
Phone: (626) 701-4249
Show map & directions

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

Additional practice locations (1)

  • 205 Pasadena Ave, South Pasadena, CA 91030-2919 — (323) 344-5536

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 127282 (CA)

Record details

NPI number1780138701
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , LMFT
Sole proprietorYes
NPI enumeratedAugust 8, 2016
Last updated in NPPESSeptember 16, 2021
Certification dateSeptember 16, 2021
Mailing address1333 S Mayflower Ave Ste 360, Monrovia, CA 91016-5280

Other providers in Monrovia