Aaron Michael O'Brien, MD
Orthopaedic Surgery Physician · St George, UT
Aaron Michael O'Brien, MD is an orthopaedic surgery physician with a practice address in St George, Utah, and NPI 1114155074, issued on Jun 30, 2009. Check the license (Utah 9349002-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Michael O'Brien
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 9349002-1205 UT
18526 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1490 E Foremaster Dr, St George, UT 84790
- Phone
- (435) 628-9393
- Enumerated
- Jun 30, 2009
- Record last updated
- Nov 27, 2023
- Fax
- (435) 628-9382
- Medicare enrollment
- Enrolled (PECOS I20190809001363); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2009
- Entity
- Type 1 · individual
Also registered at 1490 E Foremaster Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Anderson, M.D.Orthopaedic Surgery Physician1093792210
- Lawrence BarnumAudiologist1669632345
- Bryan Bernhardt, PA-CPhysician Assistant1114173952
- Jacob BurrowsAudiologist1629480769
- Bruce Carter, MDAnesthesiology Physician1225198799
- Autum Christensen, APRNFamily Nurse Practitioner1669619466
Verify Aaron Michael O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 9349002-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
224 Medicare Part D claims for 102 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Gabapentin66 claims
- Meloxicam43 claims
- Pregabalin19 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Tramadol Hcl13 claims
- Oxycodone-Acetaminophen12 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: $2,605.57
23 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Revere Health PCProvo, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Orthopaedic Surgery Physician providers in Utah
There are 266 orthopaedic surgery physician records in Utah.
Other orthopaedic surgery physician records in Utah
- Gordon Affleck, M.D.Bountiful, UT1629349311
- Judd Allen, MDSaratoga Springs, UT1639463714
- Lex AllenCedar City, UT1629242359
- Darin Allred, D.OSt George, UT1538377585
- Bejan Alvandi, MDSalt Lake City, UT1275092108
- Robert Amick, MDSalt Lake City, UT1225731458
- Spencer Amundsen, M.D.Draper, UT1841517257
- Michael Anderson, M.D.St George, UT1093792210
- Robert Andruss, MDSt George, UT1952326373
- Stephen Aoki, MDSalt Lake City, UT1295787323
Common questions
What is Aaron Michael O'Brien, MD's NPI number?
Aaron Michael O'Brien, MD's National Provider Identifier (NPI) is 1114155074, issued on Jun 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Michael O'Brien, MD located?
The NPPES record lists a practice address at 1490 E Foremaster Dr, St George, UT, 84790. Phone: (435) 628-9393. Providers update this record themselves, so call before visiting.
How can I verify Aaron Michael O'Brien, MD's license?
NPPES lists Utah license number 9349002-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Michael O'Brien, MD prescribe under Medicare Part D?
In 2024, Aaron Michael O'Brien, MD had 224 Medicare Part D claims for 102 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.