NPPES file of Aug 9, 2026

April Yao Liwag, NP-C

Nurse Practitioner · Orange, CA

April Yao Liwag, NP-C is a nurse practitioner with a practice address in Orange, California, and NPI 1578007662, issued on Dec 8, 2016. Check the license (California 95005398, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578007662
Name
April Yao Liwag
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95005398 CA
Self-reported in NPPES; status is on the state search
Practice location
500 S Main St Ste 101, Orange, CA 92868
Phone
(714) 602-7805
Enumerated
Dec 8, 2016
Record last updated
Nov 1, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20241203001716); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 500 S Main St Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thuyvi Pham, NPFamily Nurse Practitioner1558857359
  2. Tai Truong, MDInternal Medicine Physician1366902439
  3. Michael Yap, M.D.Nephrology Physician1588847362

Verify April Yao Liwag in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95005398
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average nurse practitioner in 2024

79 Medicare Part D claims for 12 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 85% of claims.

  1. April Liwag79
  2. Specialty average1,109

Most prescribed

  1. Sodium Chloride34 claims
  2. Prosol32 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.

Industry payments in 2024: $3,878.18

183 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. April Liwag$3,878.18
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cornerhealth Medical Group IncCosta Mesa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

April Yao Liwag among 8,223 nurse practitioner records in California

April Yao Liwag, NP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 48% of them.

  • NPI issued2016 · 48% of these records are older, 48% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2016 · median 2017 among the 3,425 with a school on file
  • Record last updated2018 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 nurse practitioner records list a practice address in Orange

They are 147 of the 13,245 NPPES records with a practice address in Orange, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Mahnaz Baradar, N.P.Orange, CA 928681225113293
  2. Rita Ceja, NPOrange, CA 928681033201496
  3. Aiping Dai, NPOrange, CA 928681417053026
  4. Kathleen Doan, R.N., N.P.Orange, CA 928681447295001
  5. Susana Ertac, RN, NPOrange, CA 928681265547335
  6. Jennifer Hillyer, NPOrange, CA 928681154403335
  7. Veronica Kang, PMHNPOrange, CA 928681801815998
  8. Joon Myung, NPOrange, CA 928681518997030

Common questions

What is April Yao Liwag, NP-C's NPI number?

April Yao Liwag, NP-C's National Provider Identifier (NPI) is 1578007662, issued on Dec 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is April Yao Liwag, NP-C located?

The NPPES record lists a practice address at 500 S Main St Ste 101, Orange, CA, 92868. Phone: (714) 602-7805. Providers update this record themselves, so call before visiting.

How can I verify April Yao Liwag, NP-C's license?

NPPES lists California license number 95005398, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does April Yao Liwag, NP-C prescribe under Medicare Part D?

In 2024, April Yao Liwag, NP-C had 79 Medicare Part D claims for 12 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.