Maureen Elizabeth Oneill, PAC
Medical Physician Assistant · Saint Louis, MO
Maureen Elizabeth Oneill, PAC is a medical physician assistant with a practice address in Saint Louis, Missouri, and NPI 1962518621, issued on Aug 22, 2006. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maureen Elizabeth Oneill
- Credential
- PAC
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 085001906 IL
Self-reported in NPPES; status is on the state search - Practice location
- #1 Jefferson Barracks Drive, Saint Louis, MO 63125
- Phone
- (314) 652-4100
- Enumerated
- Aug 22, 2006
- Record last updated
- Apr 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 317 in Missouri → Look up another NPI →
Also registered at #1 Jefferson Barracks Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Mastnak, PH.D.Clinical Psychologist1962685826
Verify Maureen Elizabeth Oneill 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
99% fewer Medicare Part D claims than the average medical physician assistant in 2024
12 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Maureen Elizabeth Oneill among 317 medical physician assistant records in Missouri
Maureen Elizabeth Oneill, PAC is one of 317 medical physician assistant records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 76% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2013 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Missouri
There are 317 medical physician assistant records in Missouri.
All 317 in Missouri → Every provider in Saint Louis → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Deborah Droste, PA-CSaint Louis, MO 631251740244029
- Cynthia Lange, PA-CSaint Louis, MO 631251194789222
- Roland Neal, PHYSICIAN ASSISTANTSaint Louis, MO 631251104884543
- Jennifer Schmeink, PA-CSaint Louis, MO 631251952581142
- Lindsay Exline, PACSaint Louis, MO 631271427127109
- Jacob BastSaint Louis, MO 631281194296186
- Jihan Clay, P.A.-CSaint Louis, MO 631281366730251
- Sylvia Evers, PA-CSaint Louis, MO 631281437861408
Common questions
What is Maureen Elizabeth Oneill, PAC's NPI number?
Maureen Elizabeth Oneill, PAC's National Provider Identifier (NPI) is 1962518621, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maureen Elizabeth Oneill, PAC located?
The NPPES record lists a practice address at #1 Jefferson Barracks Drive, Saint Louis, MO, 63125. Phone: (314) 652-4100. Providers update this record themselves, so call before visiting.
How can I verify Maureen Elizabeth Oneill, PAC's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Maureen Elizabeth Oneill, PAC prescribe under Medicare Part D?
In 2024, Maureen Elizabeth Oneill, PAC had 12 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. 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.