Siobhan Barnes
Physician Assistant · Sun City West, AZ
Siobhan Barnes is a physician assistant with a practice address in Sun City West, Arizona, and NPI 1831948249, issued on May 16, 2024. Check the license (Arizona 10443, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siobhan Barnes
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 10443 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14502 W Meeker Blvd, Sun City West, AZ 85375
- Phone
- (623) 524-8767
- Enumerated
- May 16, 2024
- Record last updated
- Oct 8, 2024
- Entity
- Type 1 · individual
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Also registered at 14502 W Meeker Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Siobhan Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 10443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
39 Medicare Part D claims for 34 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
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.
Siobhan Barnes among 3,666 physician assistant records in Arizona
Siobhan Barnes 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 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 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).
50 physician assistant records list a practice address in Sun City West
They are 50 of the 590 NPPES records with a practice address in Sun City West, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Sun City West → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jamie Ahner, PASun City West, AZ 853751497957450
- Patrick Burrup, PA-CSun City West, AZ 853751033429600
- Matthew Day, PASun City West, AZ 853751972839751
- David Eschler, PA-CSun City West, AZ 853751255770863
- Julia Glenn, PA-CSun City West, AZ 853751689126591
- Tasha Grissett, PASun City West, AZ 853751053445866
- Derek HowertonSun City West, AZ 853751861840613
- Jasmine Kalili, PA-CSun City West, AZ 853751932639788
Common questions
What is Siobhan Barnes's NPI number?
Siobhan Barnes's National Provider Identifier (NPI) is 1831948249, issued on May 16, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Siobhan Barnes located?
The NPPES record lists a practice address at 14502 W Meeker Blvd, Sun City West, AZ, 85375. Phone: (623) 524-8767. Providers update this record themselves, so call before visiting.
How can I verify Siobhan Barnes's license?
NPPES lists Arizona license number 10443, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Siobhan Barnes prescribe under Medicare Part D?
In 2024, Siobhan Barnes had 39 Medicare Part D claims for 34 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.