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

Dr. Constance M Lillas, RN, MFT, PHD

Individual provider Registered Nurse · NPI 1962066563

Dr. Constance M Lillas, RN, MFT, PHD is a Registered Nurse in Pasadena, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2019
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1411 N Los Robles Ave
Pasadena, CA 91104-2140
Phone: (626) 577-9332
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 22318 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 317432 (CA)

Record details

NPI number1962066563
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MFT , PHD
Sole proprietorYes
NPI enumeratedApril 29, 2019
Last updated in NPPESApril 29, 2019

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