Matthew Li-An Au, MD
Internal Medicine Physician · Mesa, AZ
Matthew Li-An Au, MD is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1013654664, issued on May 16, 2022. Check the license (Arizona 74247, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Li-An Au
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 74247 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1917 S Crismon RD, Mesa, AZ 85209
- Phone
- (480) 610-7100
- Enumerated
- May 16, 2022
- Record last updated
- Sep 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20250813001149); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1917 S Crismon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Li-An Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 74247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Banner Primary Care Physicians Arizona LLCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Li-An Au among 2,853 internal medicine physician records in Arizona
Matthew Li-An Au, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ankur Bant, M.D.Mesa, AZ 852091164544979
- Muhammad Chaudhry, MDMesa, AZ 852091609001262
- Nathan Duffin, D.O.Mesa, AZ 852091497016190
- Travis Fisher, MDMesa, AZ 852091366536732
- Nicholas Harrell, M.D.Mesa, AZ 852091467795617
- Bassam Hattab, M.D.Mesa, AZ 852091023420189
- Joshua Jalad, MDMesa, AZ 852091508200445
- Sujit Magiyawala, MDMesa, AZ 852091336109131
Common questions
What is Matthew Li-An Au, MD's NPI number?
Matthew Li-An Au, MD's National Provider Identifier (NPI) is 1013654664, issued on May 16, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Li-An Au, MD located?
The NPPES record lists a practice address at 1917 S Crismon RD, Mesa, AZ, 85209. Phone: (480) 610-7100. Providers update this record themselves, so call before visiting.
How can I verify Matthew Li-An Au, MD's license?
NPPES lists Arizona license number 74247, 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.
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.