NPPES file of Aug 9, 2026

Elizabeth Howarth, PA-C

Physician Assistant · Irvine, CA

Elizabeth Howarth, PA-C is a physician assistant with a practice address in Irvine, California, and NPI 1740813252, issued on Feb 13, 2020. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740813252
Name
Elizabeth Howarth
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1000 Fivepoint, Irvine, CA 92618
Phone
(626) 256-4673
Enumerated
Feb 13, 2020
Record last updated
Apr 17, 2025
Medicare enrollment
Enrolled (PECOS I20200806003526); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 1000 Fivepoint

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

  1. Mary Alessi, PA-CPhysician Assistant1962711838
  2. Tara Anderson, PA-CPhysician Assistant1770058349
  3. Aubree Ashdown, PA-CPhysician Assistant1679244503
  4. Ghazal Bahri, M.D.Hospitalist Physician1770013146
  5. Meg Camille Baldonado, FNP-CFamily Nurse Practitioner1346602604
  6. Joseph Barrera, FNPFamily Nurse Practitioner1306289491

Verify Elizabeth Howarth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

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47% more Medicare Part D claims than the average physician assistant in 2024

1,216 Medicare Part D claims for 250 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 28 claims were for opioids.

  1. Elizabeth Howarth1,216
  2. Specialty average830

Most prescribed

  1. Orgovyx268 claims
  2. Tamsulosin Hcl150 claims
  3. Nubeqa128 claims
  4. Finasteride85 claims
  5. Testosterone75 claims
  6. Testosterone Cypionate65 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $397.41

10 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Howarth$397.41
  2. Specialty average$841.65

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. City OF Hope Medical FoundationIrvine, CA

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

Elizabeth Howarth among 14,451 physician assistant records in California

Elizabeth Howarth, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.

  • NPI issued2020 · 62% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2019 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

120 physician assistant records list a practice address in Irvine

They are 120 of the 7,778 NPPES records with a practice address in Irvine, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Mary Alessi, PA-CIrvine, CA 926181962711838
  2. Colleen Galvin, PA NMD DACM PHDIrvine, CA 926181184821464
  3. Joseph Gilboy, PA-CIrvine, CA 926181851374466
  4. Megan Huey, PA-CIrvine, CA 926181265714521
  5. Christine Kerr, PA-CIrvine, CA 926181356694582
  6. Elaine La, PHYSICIAN ASSISTANTIrvine, CA 926181396055240
  7. Jenivi Lau, PA-CIrvine, CA 926181578897591
  8. Brandi Morinoue, PA-CIrvine, CA 926181184652778

Common questions

What is Elizabeth Howarth, PA-C's NPI number?

Elizabeth Howarth, PA-C's National Provider Identifier (NPI) is 1740813252, issued on Feb 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Howarth, PA-C located?

The NPPES record lists a practice address at 1000 Fivepoint, Irvine, CA, 92618. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Howarth, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Howarth, PA-C prescribe under Medicare Part D?

In 2024, Elizabeth Howarth, PA-C had 1,216 Medicare Part D claims for 250 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Elizabeth Howarth, PA-C's MIPS final score?

The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.