Joseph Hsiao
Physician Assistant · Mesa, AZ
Joseph Hsiao is a physician assistant with a practice address in Mesa, Arizona, and NPI 1730813205, issued on Jul 12, 2022. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Hsiao
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 5850 E Still Cir, Mesa, AZ 85206
- Phone
- (480) 219-6000
- Enumerated
- Jul 12, 2022
- Entity
- Type 1 · individual
Also registered at 5850 E Still Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Abel, PA-CPhysician Assistant1346037181
- Nidal Abukhalil, PA-SPhysician Assistant1104667757
- Allison AdamsPhysician Assistant1790574986
- Alexander Aguilar, PA-CPhysician Assistant1467293563
- Izabelle AlasPhysician Assistant1255120499
- Kathryn AlayvillaMedical Physician Assistant1922732270
Verify Joseph Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
229 Medicare Part D claims for 103 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. 115 claims were for opioids.
Most prescribed
- Oxycodone Hcl100 claims
- Celecoxib61 claims
- Meloxicam22 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.
One hospital or facility affiliation
- Providence Medical FoundationAnaheim, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
464 physician assistant records list a Mesa practice address
They are 464 of the 9,151 NPPES records with a Mesa practice address, and 3,428 physician assistant records in Arizona.
All 464 in Mesa → All 3,428 in Arizona → Every provider in Mesa →
Other physician assistant records in Arizona
- Lindsey Abajian, PA-CPhoenix, AZ1306125620
- Allison Abbey, PA-CCottonwood, AZ1871257246
- Carley Abbott, PA-CChandler, AZ1649959792
- Delmas Abbott, PA-CPrescott, AZ1437452836
- Sarah Abbott, PAPhoenix, AZ1609969666
- Kristen Abel, PA-CMesa, AZ1346037181
- Abigail Abellana, PA-CScottsdale, AZ1629931670
- Heidi Abersfeller, PA CCasa Grande, AZ1356379754
- Collin Abitz, PAGlendale, AZ1376342386
- Colleen AbramsChandler, AZ1407285448
Common questions
What is Joseph Hsiao's NPI number?
Joseph Hsiao's National Provider Identifier (NPI) is 1730813205, issued on Jul 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Hsiao located?
The NPPES record lists a practice address at 5850 E Still Cir, Mesa, AZ, 85206. Phone: (480) 219-6000. Providers update this record themselves, so call before visiting.
How can I verify Joseph Hsiao's license?
Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Hsiao prescribe under Medicare Part D?
In 2024, Joseph Hsiao had 229 Medicare Part D claims for 103 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.