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

Isabella Yumi Chai, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1336792209

Isabella Yumi Chai, PMHNP-BC is a Nurse Practitioner in Pomona, California. Qualified in 2019, 7 years ago. Practices with Tri-City Mental Health Authority, a 13-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2019
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

2008 N Garey Ave
Pomona, CA 91767-2722
Phone: (909) 623-6131
Fax: (909) 865-9281
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 95011968 (CA)

Record details

NPI number1336792209
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedJuly 19, 2019
Last updated in NPPESJanuary 6, 2026
Certification dateJanuary 6, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Tri-City Mental Health Authority — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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