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

Dr. Thais Siewert, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1194348318

Dr. Thais Siewert, PMHNP is a Psychiatric/Mental Health Nurse Practitioner in LA Jolla, California. Practices as a sole proprietor and works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2020
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

888 Prospect St Ste 200
LA Jolla, CA 92037-4261
Phone: (415) 849-2466
Fax: (415) 376-4529
Show map & directions

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

Additional practice locations (2)

  • 4685 Macarthur Ct Ste 340, Newport Beach, CA 92660-1855 — (949) 424-4544
  • 1390 Market St Ste 200, San Francisco, CA 94102-5404 — (415) 849-2466

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95014585 (CA)

Record details

NPI number1194348318
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedMay 21, 2020
Last updated in NPPESNovember 26, 2025
Certification dateNovember 26, 2025

Other providers in LA Jolla