Chiou-Yan Lai, PA-C
Physician Assistant · Phoenix, AZ
Chiou-Yan Lai, PA-C is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1801347901, issued on Oct 24, 2016. Check the license (Arizona 6435, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chiou-Yan Lai
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 6435 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7725 N 43RD Ave Ste 510, Phoenix, AZ 85051
- Phone
- (623) 207-5465
- Enumerated
- Oct 24, 2016
- Record last updated
- Oct 28, 2025
- Fax
- (623) 207-5465
- Medicare enrollment
- Enrolled (PECOS I20180301001176); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 7725 N 43RD Ave Ste 510
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Madison Dean, PA-CPhysician Assistant1689416794
- Joel Fuentes, PA-CPhysician Assistant1164649141
- Shannon Maeser, FNPFamily Nurse Practitioner1427804608
- Janelle Romero, P.A.Physician Assistant1689901860
Verify Chiou-Yan Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 6435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average physician assistant in 2024
2,365 Medicare Part D claims for 178 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium210 claims
- Metformin Hcl158 claims
- Losartan Potassium101 claims
- Lisinopril94 claims
- Rosuvastatin Calcium92 claims
- Levothyroxine Sodium90 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: $390.24
19 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
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
- Prescott Healthcare Solutions LLCPrescott Valley, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiou-Yan Lai among 3,666 physician assistant records in Arizona
Chiou-Yan Lai, PA-C 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 2016, is newer than 41% of them.
- NPI issued2016 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 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).
923 physician assistant records list a practice address in Phoenix
They are 923 of the 31,399 NPPES records with a practice address in Phoenix, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Phoenix → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Madison Dean, PA-CPhoenix, AZ 850511689416794
- Joel Fuentes, PA-CPhoenix, AZ 850511164649141
- Layla Hartsfield-Mosher, PA-CPhoenix, AZ 850511437161908
- Deborah Lader, P.A.-C.Phoenix, AZ 850511720086994
- Katherine Leary, PA-CPhoenix, AZ 850511871671792
- Dustin Miles, PA-CPhoenix, AZ 850511821424136
- Shahireh RahimiPhoenix, AZ 850511033000427
- Janelle Romero, P.A.Phoenix, AZ 850511689901860
Common questions
What is Chiou-Yan Lai, PA-C's NPI number?
Chiou-Yan Lai, PA-C's National Provider Identifier (NPI) is 1801347901, issued on Oct 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Chiou-Yan Lai, PA-C located?
The NPPES record lists a practice address at 7725 N 43RD Ave Ste 510, Phoenix, AZ, 85051. Phone: (623) 207-5465. Providers update this record themselves, so call before visiting.
How can I verify Chiou-Yan Lai, PA-C's license?
NPPES lists Arizona license number 6435, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Chiou-Yan Lai, PA-C prescribe under Medicare Part D?
In 2024, Chiou-Yan Lai, PA-C had 2,365 Medicare Part D claims for 178 beneficiaries; the average among physician assistant prescribers was 830. 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.