Thais Siewert, PMHNP
NPI 1194348318 · Psychiatric/Mental Health Nurse Practitioner · La Jolla, CA
Thais Siewert, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in La Jolla, CA (NPI 1194348318).
Provider details
- NPI number
- 1194348318
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95014585 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 4685 Macarthur Ct Ste 340Newport Beach, CA 92660-1855Phone: (949) 424-4544
- 1390 Market St Ste 200San Francisco, CA 94102-5404Phone: (415) 849-2466Fax: (415) 376-4529
Registry dates
- Enumerated
- 2020-05-21
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Thais Siewert's NPI number?
- Thais Siewert's National Provider Identifier (NPI) is 1194348318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thais Siewert's specialty?
- Thais Siewert is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thais Siewert located?
- Thais Siewert's practice location on file with NPPES is 888 Prospect St Ste 200, La Jolla, CA 92037-4261.
- What is Thais Siewert's phone number?
- The practice phone number listed in the NPPES registry for Thais Siewert is (415) 849-2466.
- Is Thais Siewert's NPI active?
- Yes — Thais Siewert's NPI (1194348318) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.