Michael O'Neill, M.D.
Psychiatry Physician · Keshena, WI
Michael O'Neill, M.D. is a psychiatry physician with a practice address in Keshena, Wisconsin, and NPI 1083655245, issued on Jun 9, 2006. Check the license (Wisconsin 18117-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael O'Neill
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 18117-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- W3275 Wolf River Road, Keshena, WI 54135
- Phone
- (715) 799-3361
- Enumerated
- Jun 9, 2006
- Entity
- Type 1 · individual
Also registered at W3275 Wolf River Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 18117-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
74% fewer Medicare Part D claims than the average psychiatry physician in 2024
261 Medicare Part D claims for 14 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Dextroamphetamine-Amphetamine21 claims
- Vyvanse19 claims
- Duloxetine Hcl17 claims
- Alprazolam16 claims
- Bupropion Hcl Sr15 claims
- Fluoxetine Hcl15 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.
One hospital or facility affiliation
- Menominee Indian Tribe OF WisconsinKeshena, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 psychiatry physician records list a Keshena practice address
They are 1 of the 58 NPPES records with a Keshena practice address, and 858 psychiatry physician records in Wisconsin.
Other psychiatry physician records in Wisconsin
- Semhal Abbay, MDGreen Bay, WI1780713172
- Beth Abramson, M.D.Milwaukee, WI1922045996
- Sean Ackerman, M.D.Columbus, WI1548559305
- Nagwa Agaiby, M.D.Milwaukee, WI1336240407
- Eileen Ahearn, M.D.Madison, WI1144320524
- Mahmoud Ahmed, MDLadysmith, WI1659473312
- Jose Alba, M.D.Chilton, WI1942342704
- Nathaniel Albrecht, DOMenasha, WI1467853705
- Donald Alicea, M.D.Madison, WI1255794665
- Jordan Allen, DOMilwaukee, WI1568039865
Common questions
What is Michael O'Neill, M.D.'s NPI number?
Michael O'Neill, M.D.'s National Provider Identifier (NPI) is 1083655245, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael O'Neill, M.D. located?
The NPPES record lists a practice address at W3275 Wolf River Road, Keshena, WI, 54135. Phone: (715) 799-3361. Providers update this record themselves, so call before visiting.
How can I verify Michael O'Neill, M.D.'s license?
NPPES lists Wisconsin license number 18117-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael O'Neill, M.D. prescribe under Medicare Part D?
In 2024, Michael O'Neill, M.D. had 261 Medicare Part D claims for 14 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.