Eileen Anne O'Halloran, M.D.
Surgery Physician · Saint Louis, MO
Eileen Anne O'Halloran, M.D. is a surgery physician with a practice address in Saint Louis, Missouri, and NPI 1447549571, issued on Mar 29, 2011. Check the license (Missouri 2024028245, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Eileen Anne O'Halloran
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 2024028245 MO
036.134096 IL
Self-reported in NPPES; status is on the state search - Practice location
- 607 S New Ballas RD Ste 2350, Saint Louis, MO 63141
- Phone
- (314) 251-1340
- Enumerated
- Mar 29, 2011
- Record last updated
- Aug 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20240910001027); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 607 S New Ballas RD Ste 2350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica Huelsmann, MDGynecologic Oncology Physician1093179640
- Rebecca Schneider, PA-CPhysician Assistant1568090769
Verify Eileen Anne O'Halloran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2024028245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average surgery physician in 2024
54 Medicare Part D claims for 27 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen15 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: $286.74
8 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Mercy Clinic Surgical Specialists LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
Other surgery physician records in Missouri
- Tsehay Abebe, MDSaint Louis, MO1184285017
- Pauline Aherrera, MDColumbia, MO1083281893
- Nasim Ahmadiyeh, M.D.Kansas City, MO1164545281
- Ola Ahmed, MDSt Louis, MO1992541346
- Tauqir Ahmed, MDBridgeton, MO1336252204
- Yazan Al-Kharabsheh, MDColumbia, MO1992692081
- Emily Albright, M.D.Columbia, MO1407942352
- Mounes Aliyari Ghasabeh, MDColumbia, MO1114540325
- Jose Alonso Escalante, M.D.West Plains, MO1457883514
- Muhammad Zaeghum Aman, MD, MBBSSikeston, MO1265954051
Common questions
What is Eileen Anne O'Halloran, M.D.'s NPI number?
Eileen Anne O'Halloran, M.D.'s National Provider Identifier (NPI) is 1447549571, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Anne O'Halloran, M.D. located?
The NPPES record lists a practice address at 607 S New Ballas RD Ste 2350, Saint Louis, MO, 63141. Phone: (314) 251-1340. Providers update this record themselves, so call before visiting.
How can I verify Eileen Anne O'Halloran, M.D.'s license?
NPPES lists Missouri license number 2024028245, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eileen Anne O'Halloran, M.D. prescribe under Medicare Part D?
In 2024, Eileen Anne O'Halloran, M.D. had 54 Medicare Part D claims for 27 beneficiaries; the average among surgery physician prescribers was 147. 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.