Daniel Robert O'Brien
Anesthesiologist Assistant · Saint Louis, MO
Daniel Robert O'Brien is an anesthesiologist assistant with a practice address in Saint Louis, Missouri, and NPI 1659146082, issued on Nov 15, 2023. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Robert O'Brien
- Primary taxonomy
- Anesthesiologist Assistant 367H00000X
- Practice location
- 11133 Dunn RD, Saint Louis, MO 63136
- Phone
- (800) 392-0936
- Enumerated
- Nov 15, 2023
- Record last updated
- Nov 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20240208000527); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2023
- Entity
- Type 1 · individual
8 nearest anesthesiologist assistant records → All 311 in Missouri → Look up another NPI →
Also registered at 11133 Dunn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anah Ali, MDEmergency Medicine Physician1942597992
- Anna Arnold, PAPhysician Assistant1447882584
- Ola Bamimore, MDEmergency Medicine Physician1992947832
- Jenny Bao, MDEmergency Medicine Physician1275947095
Verify Daniel Robert O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri 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
Industry payments in 2024: $18.85
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 1,380 providers of this specialty with any payment received $114.24 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
- Midwest Anesthesia Providers SCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Robert O'Brien among 311 anesthesiologist assistant records in Missouri
Daniel Robert O'Brien is one of 311 anesthesiologist assistant records with a practice address in Missouri. 88% 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 65% of them.
- NPI issued2023 · 65% of these records are older, 26% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2023 · median 2020 among the 273 with a school on file
- Record last updated2023 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiologist Assistant providers in Missouri
There are 311 anesthesiologist assistant records in Missouri.
All 311 in Missouri → Every provider in Saint Louis → Anesthesiologist Assistant nationwide →
The 8 anesthesiologist assistant records with the nearest ZIP codes
- Jason Brogan, AASaint Louis, MO 631361356983977
- Paisley Harper, AASaint Louis, MO 631361326687468
- Admir MusicSaint Louis, MO 631361477342301
- Sheikh Njai, AA-CSaint Louis, MO 631361629886353
- Asmir Selimovic, CAASaint Louis, MO 631361922473784
- Alexander Sextro, CAASaint Louis, MO 631361003423799
- Taylor VanceSaint Louis, MO 631361962993972
- Kristi WalshSaint Louis, MO 631361144971797
Common questions
What is Daniel Robert O'Brien's NPI number?
Daniel Robert O'Brien's National Provider Identifier (NPI) is 1659146082, issued on Nov 15, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Robert O'Brien located?
The NPPES record lists a practice address at 11133 Dunn RD, Saint Louis, MO, 63136. Phone: (800) 392-0936. Providers update this record themselves, so call before visiting.
How can I verify Daniel Robert O'Brien's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.