NPPES file of Aug 9, 2026

Shannon O'Brien, PA

Physician Assistant · Surprise, AZ

Shannon O'Brien, PA is a physician assistant with a practice address in Surprise, Arizona, and NPI 1316720857, issued on Aug 17, 2023. Check the license (Arizona 9820, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316720857
Name
Shannon O'Brien
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
9820 AZ
Self-reported in NPPES; status is on the state search
Practice location
14961 W Bell RD Ste 175, Surprise, AZ 85374
Phone
(623) 547-7205
Enumerated
Aug 17, 2023
Record last updated
Aug 28, 2023
Fax
(623) 243-6733
Medicare enrollment
Enrolled (PECOS I20231006002541); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →

Also registered at 14961 W Bell RD Ste 175

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

  1. Aseel Abdulahad, MDInternal Medicine Physician1417732322
  2. Jawad Abukhalaf, MDPulmonary Disease Physician1629491006
  3. Muna Ali, MDStudent in an Organized Health Care Education/Training Program1144164153
  4. Zeyad Alsaeedi, MDInternal Medicine Physician1083423867
  5. Narinder Brar, DOObstetrics & Gynecology Physician1902863350
  6. Hayley Caruthers, CNMAdvanced Practice Midwife1780311282

Verify Shannon O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 9820    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
Find 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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72% fewer Medicare Part D claims than the average physician assistant in 2024

234 Medicare Part D claims for 113 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 73 claims were for opioids.

  1. Shannon O'Brien234
  2. Specialty average830

Most prescribed

  1. Oxycodone-Acetaminophen28 claims
  2. Hydrocodone-Acetaminophen27 claims
  3. Meloxicam19 claims
  4. Cyclobenzaprine Hcl15 claims
  5. Gabapentin15 claims
  6. Mupirocin15 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.

Industry payments in 2024: $101.71

5 payments; by number, the most common kind was food and beverage; the largest payer was OptumHealth Care Solutions, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shannon O'Brien$101.71
  2. Specialty average$841.65

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. Arizona Pain Specialists PLLCGlendale, AZ

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

Shannon O'Brien among 3,666 physician assistant records in Arizona

Shannon O'Brien, PA 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 2023, is newer than 77% of them.

  • NPI issued2023 · 77% of these records are older, 17% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2023 · median 2018 among the 2,207 with a school on file
  • Record last updated2023 · 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).

58 physician assistant records list a practice address in Surprise

They are 58 of the 2,121 NPPES records with a practice address in Surprise, and 3,666 physician assistant records in Arizona.

All 3,666 in Arizona → Every provider in Surprise → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Tiffany Anderson, PA-CSurprise, AZ 853741174858567
  2. Christin Anzini, PASurprise, AZ 853741407033087
  3. Brian Beck, PA-CSurprise, AZ 853741295762755
  4. Christine Briones, PASurprise, AZ 853741831375401
  5. Bradley Hall, PA-CSurprise, AZ 853741295761153
  6. Edyth Hendricks, P.A.Surprise, AZ 853741710076112
  7. Aaron Jensen, PA-CSurprise, AZ 853741306099155
  8. Debra Mescher, PACSurprise, AZ 853741538147756

Common questions

What is Shannon O'Brien, PA's NPI number?

Shannon O'Brien, PA's National Provider Identifier (NPI) is 1316720857, issued on Aug 17, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Shannon O'Brien, PA located?

The NPPES record lists a practice address at 14961 W Bell RD Ste 175, Surprise, AZ, 85374. Phone: (623) 547-7205. Providers update this record themselves, so call before visiting.

How can I verify Shannon O'Brien, PA's license?

NPPES lists Arizona license number 9820, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Shannon O'Brien, PA prescribe under Medicare Part D?

In 2024, Shannon O'Brien, PA had 234 Medicare Part D claims for 113 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.