Michael J. O'Neill, M.D.
Psychiatry Physician · Keshena, WI
Michael J. 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 J. 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
- Record last updated
- Mar 7, 2023
- Fax
- (715) 799-3099
- Medicaid ID
- 30979000 WI
- Medicare enrollment
- Enrolled (PECOS I20050111000490); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1969
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
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 J. 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 1,000 among the 35,054 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.
Bills Medicare through one group practice
- Menominee Indian Tribe OF WisconsinKeshena, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. O'Neill among 929 psychiatry physician records in Wisconsin
Michael J. O'Neill, M.D. is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 50% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1969 · median 2005 among the 439 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatry physician record lists a practice address in Keshena
They are 1 of the 58 NPPES records with a practice address in Keshena, and 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Keshena → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Guy Powers, MDMarinette, WI 541431053415042
- Norma Cruz, M.D.Oconto, WI 541531538216262
- Ifeanyi Mbah, MDOconto, WI 541531689201832
- Howard Davis, M.D.De Pere, WI 541151679516355
- Julie George-Grosskopf, MDDe Pere, WI 541151568090181
- Carolyn Hendricks, M.D.De Pere, WI 541151952557647
- Mylan Kohler, DODe Pere, WI 541151457521866
- Chris Larson, MDDe Pere, WI 541151972515658
Common questions
What is Michael J. O'Neill, M.D.'s NPI number?
Michael J. 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 J. 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 J. 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 J. O'Neill, M.D. prescribe under Medicare Part D?
In 2024, Michael J. O'Neill, M.D. had 261 Medicare Part D claims for 14 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.