Registry data as of Aug 27, 2026

Isabel Lui, PA-C

Family Medicine Physician · El Monte, CA

Isabel Lui, PA-C is a family medicine physician with a practice address in El Monte, California, and NPI 1144626763, issued on Nov 10, 2014. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144626763
Name
Isabel Lui
Credential
PA-C
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
10418 Valley Blvd Ste B, El Monte, CA 91731
Phone
(888) 499-9303
Enumerated
Nov 10, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10418 Valley Blvd Ste B

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

  1. Mohlab Al Sammarraie, DDSGeneral Practice Dentistry1912533597
  2. Tam Au, MDStudent in an Organized Health Care Education/Training Program1033850482
  3. Daniel Fong, D.OFamily Medicine Physician1548642655
  4. Maika Marie Morales, FNPFamily Nurse Practitioner1912741984
  5. May Nwe, M.D.Family Medicine Physician1407019649
  6. Lorna PichardoCase Manager/Care Coordinator1679219687

Verify Isabel Lui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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
Open 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

98% fewer Medicare Part D claims than the average family medicine physician in 2024

60 Medicare Part D claims for 33 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Isabel Lui60
  2. Specialty average3,519

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 Medicare quality score for 2023: 55.3 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 score6.0
  2. Costout of 100 · 30%64.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities20 of 40 points · 15%50.0

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

28 family medicine physician records list a El Monte practice address

They are 28 of the 1,528 NPPES records with a El Monte practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Isabel Lui, PA-C's NPI number?

Isabel Lui, PA-C's National Provider Identifier (NPI) is 1144626763, issued on Nov 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Isabel Lui, PA-C located?

The NPPES record lists a practice address at 10418 Valley Blvd Ste B, El Monte, CA, 91731. Phone: (888) 499-9303. Providers update this record themselves, so call before visiting.

How can I verify Isabel Lui, PA-C's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Isabel Lui, PA-C prescribe under Medicare Part D?

In 2024, Isabel Lui, PA-C had 60 Medicare Part D claims for 33 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

What is Isabel Lui, PA-C's Medicare quality score?

The 2023 MIPS final score is 55.3 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.