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

Gregory Siaumau, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1609583392

Gregory Siaumau, PMHNP is a Nurse Practitioner in Santee, California. Qualified in 2024, 2 years ago. Practices with Yashwant Chaudhri MD a Prof Corp, a 5-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
2
Licensed in
CA
In the registry since
2022
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

8770 Cuyamaca St Ste 4
Santee, CA 92071-4289
Phone: (619) 596-9890
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence NP95031610 (CA)

Record details

NPI number1609583392
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedNovember 1, 2022
Last updated in NPPESSeptember 30, 2024
Certification dateSeptember 30, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Yashwant Chaudhri Md A Prof Corp — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare