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

Joanna Yao, NP

Individual provider Family Nurse Practitioner · NPI 1861680555

Joanna Yao, NP is a Nurse Practitioner in Costa Mesa, California. Qualified in 2007, 19 years ago. Practices with Gn Medical Associates, Inc, a 39-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Licensed in
CA
In the registry since
2007
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

3090 Bristol St Ste 200
Costa Mesa, CA 92626-3061
Phone: (888) 789-9585
Fax: (562) 803-4500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 17458 (CA)

Record details

NPI number1861680555
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedOctober 9, 2007
Last updated in NPPESApril 16, 2024
Certification dateApril 16, 2024
Mailing address3090 Bristol St Ste 200, Costa Mesa, CA 92626-3061

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Gn Medical Associates, Inc — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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