Joseph Liu, DO
Emergency Medicine Physician · Tucson, AZ
Joseph Liu, DO is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1194353144, issued on Mar 27, 2020. Check the license (Arizona 010177, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Liu
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 010177 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5301 E Grant RD, Tucson, AZ 85712
- Phone
- (520) 324-1922
- Enumerated
- Mar 27, 2020
- Record last updated
- Jun 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20230517002668); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 5301 E Grant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edgar Aguayo, MDStudent in an Organized Health Care Education/Training Program1174325245
- Rand Al-Ani, MDStudent in an Organized Health Care Education/Training Program1528908928
Verify Joseph Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 010177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
42 Medicare Part D claims for 35 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Banner-University Medical GroupTucson, AZ
- Ies Arizona PLLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Liu among 1,494 emergency medicine physician records in Arizona
Joseph Liu, DO is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2020 · median 2014 among the 828 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
422 emergency medicine physician records list a practice address in Tucson
They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tucson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Katharine Altieri, M.D.Tucson, AZ 857121194091256
- Christopher Cabanillas, M.D.Tucson, AZ 857121487884045
- Kent Carey, MDTucson, AZ 857121356423438
- David Compton, MDTucson, AZ 857121427130509
- Christopher Florence, MDTucson, AZ 857121003998022
- Bob Foster, MDTucson, AZ 857121538241559
- Sarah Hypes, MDTucson, AZ 857121760795371
- Keith Kaback, MDTucson, AZ 857121154403186
Common questions
What is Joseph Liu, DO's NPI number?
Joseph Liu, DO's National Provider Identifier (NPI) is 1194353144, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Liu, DO located?
The NPPES record lists a practice address at 5301 E Grant RD, Tucson, AZ, 85712. Phone: (520) 324-1922. Providers update this record themselves, so call before visiting.
How can I verify Joseph Liu, DO's license?
NPPES lists Arizona license number 010177, 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.
How much does Joseph Liu, DO prescribe under Medicare Part D?
In 2024, Joseph Liu, DO had 42 Medicare Part D claims for 35 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.