NPPES file of Aug 9, 2026

Mei Liu, MD

Internal Medicine Physician · Chandler, AZ

Mei Liu, MD is an internal medicine physician with a practice address in Chandler, Arizona, and NPI 1538336292, issued on May 13, 2008. Check the license (Arizona 42023, as entered in NPPES) on the Arizona Medical Board; 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
1538336292
Name
Mei Liu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
42023 AZ
Self-reported in NPPES; status is on the state search
Practice location
1405 S Alma School RD, Chandler, AZ 85286
Phone
(480) 256-7420
Enumerated
May 13, 2008
Record last updated
Aug 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(480) 646-3826
Medicaid ID
435853 AZ
Medicare enrollment
Enrolled (PECOS I20160815000825); 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.
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Also registered at 1405 S Alma School RD

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

  1. Rachel Accardo, PA-CEmergency Medical Services (Emergency Medicine) Physician1508415530
  2. Amanda Bailey, D.O.Internal Medicine Physician1750837456
  3. David Bebawy, M.D.Hospitalist Physician1003128885
  4. Lynn CamargoInternal Medicine Physician1093169534
  5. Darby Cerbo, NPFamily Nurse Practitioner1518709872
  6. Sowjanya Malla, MDHospitalist Physician1639603194

Verify Mei Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 42023
    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
Open the Arizona 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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The practice group's MIPS final score for 2023 (Medicare payment program): 92.3 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%66.9
  3. Promoting interoperabilityout of 100 · 25%98.0
  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: $43.71

1 payment: food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mei Liu$43.71
  2. Specialty average$1,303.06

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. Queens University Medical GroupEwa Beach, HI

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

93 internal medicine physician records list a practice address in Chandler

They are 93 of the 5,497 NPPES records with a practice address in Chandler, and 2,853 internal medicine physician records in Arizona.

Other internal medicine physician records in Arizona

  1. Daniel Aaronson, MDTucson, AZ1134865355
  2. Constantia Abarikwu, MDPhoenix, AZ1497832620
  3. Jaber Abawi, MDPayson, AZ1629038542
  4. Demsas Abay, MDPeoria, AZ1720312390
  5. Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
  6. Hassan Abbas, D.O.Mesa, AZ1477294775
  7. Jalal Abbas, M.D.Sun City West, AZ1205895034
  8. Tayeb Abbas, MDSun City West, AZ1093406795
  9. Hamed Abbaszadegan, MDPhoenix, AZ1407083579
  10. Kristopher Abbate, MDTucson, AZ1184112401

Common questions

What is Mei Liu, MD's NPI number?

Mei Liu, MD's National Provider Identifier (NPI) is 1538336292, issued on May 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mei Liu, MD located?

The NPPES record lists a practice address at 1405 S Alma School RD, Chandler, AZ, 85286. Phone: (480) 256-7420. Providers update this record themselves, so call before visiting.

How can I verify Mei Liu, MD's license?

NPPES lists Arizona license number 42023, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Mei Liu, MD's MIPS final score?

The 2023 MIPS final score is 92.3 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), 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.