Leah Chen Liu Williams, PA
Physician Assistant · Scottsdale, AZ
Leah Chen Liu Williams, PA is a physician assistant with a practice address in Scottsdale, Arizona, and NPI 1366197121, issued on Feb 19, 2022. Check the license (Arizona 9275, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leah Chen Liu Williams
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 9275 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9700 N 91St St Ste B108, Scottsdale, AZ 85258
- Phone
- (480) 534-4544
- Enumerated
- Feb 19, 2022
- Record last updated
- May 20, 2026
- Fax
- (602) 258-8510
- Medicare enrollment
- Enrolled (PECOS I20220927003053); accepts Medicare assignment
- Medical or professional school
- Philadelphia Col Of Osteo Med, Sewanee, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 9700 N 91St St Ste B108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aidan McGlothanPhysician Assistant1972331015
Verify Leah Chen Liu Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 9275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 82.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $73.33
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Center For Orthopedic Research And Education LLCSun City, AZ
- Honorhealth AmbulatoryMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leah Chen Liu Williams among 3,666 physician assistant records in Arizona
Leah Chen Liu Williams, PA is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 70% of them.
- NPI issued2022 · 70% of these records are older, 23% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2018 among the 2,207 with a school on file
- Record last updated2026 · 35% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
416 physician assistant records list a practice address in Scottsdale
They are 416 of the 11,008 NPPES records with a practice address in Scottsdale, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Scottsdale → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kimberly Bilyeu, P.A.Scottsdale, AZ 852581073687091
- Norman Bizon, PAScottsdale, AZ 852581902942980
- Sarah Davis, PA-CScottsdale, AZ 852581932155785
- Michael Gengle, PA-C, DDSScottsdale, AZ 852581831310879
- David Graves, PA-CScottsdale, AZ 852581598855991
- Brett Groh, PA-CScottsdale, AZ 852581457644973
- Janet Hunter-Scott, PA-CScottsdale, AZ 852581427101633
- Cindy Kimura, PA-CScottsdale, AZ 852581316271208
Common questions
What is Leah Chen Liu Williams, PA's NPI number?
Leah Chen Liu Williams, PA's National Provider Identifier (NPI) is 1366197121, issued on Feb 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Leah Chen Liu Williams, PA located?
The NPPES record lists a practice address at 9700 N 91St St Ste B108, Scottsdale, AZ, 85258. Phone: (480) 534-4544. Providers update this record themselves, so call before visiting.
How can I verify Leah Chen Liu Williams, PA's license?
NPPES lists Arizona license number 9275, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
What is Leah Chen Liu Williams, PA's MIPS final score?
The 2023 MIPS final score is 82.5 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.