Joanna Yao, NP
Family Nurse Practitioner · Costa Mesa, CA
Joanna Yao, NP is a family nurse practitioner with a practice address in Costa Mesa, California, and NPI 1861680555, issued on Oct 9, 2007. Check the license (California 17458, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Yao
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 17458 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3090 Bristol St Ste 200, Costa Mesa, CA 92626
- Phone
- (888) 789-9585
- Enumerated
- Oct 9, 2007
- Record last updated
- Apr 16, 2024
- Fax
- (562) 803-4500
- Medicare enrollment
- Enrolled (PECOS I20090817000611); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 3090 Bristol St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristyn Gonzaga, NPPrimary Care Nurse Practitioner1750170411
- Iman GuirgisFamily Medicine Physician1154774933
- Shelley Han, M.D.Internal Medicine Physician1114345683
Verify Joanna Yao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 17458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family nurse practitioner in 2024
256 Medicare Part D claims for 28 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 13 claims were for opioids.
Most prescribed
- Warfarin Sodium34 claims
- Ipratropium-Albuterol18 claims
- Levetiracetam17 claims
- Famotidine13 claims
- Gabapentin13 claims
- Lacosamide12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- GN Medical Associates, IncCosta Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Yao among 16,966 family nurse practitioner records in California
Joanna Yao, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2007 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 family nurse practitioner records list a practice address in Costa Mesa
They are 71 of the 4,286 NPPES records with a practice address in Costa Mesa, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Costa Mesa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Andrea Beyaoju, NURSE PRACTITIONERCosta Mesa, CA 926261720520182
- Susan FlamingCosta Mesa, CA 926261780093237
- Arnold FrancoCosta Mesa, CA 926261518417633
- Suzanne Larkin, FNP-CCosta Mesa, CA 926261053358044
- Kendra Latty, FNP-CCosta Mesa, CA 926261659763589
- Shelly Lummus, FNPCosta Mesa, CA 926261649474545
- Jamila Ponder, F.N.P.-CCosta Mesa, CA 926261124215165
- Charlotte Russell, RNPCosta Mesa, CA 926261780636555
Common questions
What is Joanna Yao, NP's NPI number?
Joanna Yao, NP's National Provider Identifier (NPI) is 1861680555, issued on Oct 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Yao, NP located?
The NPPES record lists a practice address at 3090 Bristol St Ste 200, Costa Mesa, CA, 92626. Phone: (888) 789-9585. Providers update this record themselves, so call before visiting.
How can I verify Joanna Yao, NP's license?
NPPES lists California license number 17458, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joanna Yao, NP prescribe under Medicare Part D?
In 2024, Joanna Yao, NP had 256 Medicare Part D claims for 28 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.