Thomas J. Oneil, DO
Neurology Physician · Warren, MI
Thomas J. Oneil, DO is a neurology physician with a practice address in Warren, Michigan, and NPI 1023090552, issued on Nov 18, 2005. Check the license (Michigan 5101008653, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Thomas J. Oneil
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 5101008653 MI
Self-reported in NPPES; status is on the state search - Practice location
- 27427 Schoenherr RD, Warren, MI 48088
- Phone
- (586) 756-5500
- Enumerated
- Nov 18, 2005
- Record last updated
- Dec 20, 2022
- Fax
- (586) 756-5511
- Medicaid IDs
- 431306811 MI
435177511 MI - Entity
- Type 1 · individual
8 nearest neurology physician records → All 739 in Michigan → Look up another NPI →
Also registered at 27427 Schoenherr RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allen Denys, M.D.Sleep Medicine (Internal Medicine) Physician1386847507
- Julie Henry-Kelly, MDOrthopaedic Surgery Physician1013951953
- Chakrapani Ranganathan, M.D.Neurology Physician1194709584
- Darlene Swiderski, PH.D.Rehabilitation Psychologist1356391304
Verify Thomas J. Oneil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101008653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average neurology physician in 2024
1,598 Medicare Part D claims for 360 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 20 claims were for opioids.
Most prescribed
- Donepezil Hcl208 claims
- Gabapentin198 claims
- Carbidopa-Levodopa154 claims
- Levetiracetam81 claims
- Primidone62 claims
- Clonazepam58 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: $54.68
2 payments; by number, the most common kind was education; the largest payer was Argenx US, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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.
Thomas J. Oneil among 739 neurology physician records in Michigan
Thomas J. Oneil, DO is one of 739 neurology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Michigan
There are 739 neurology physician records in Michigan.
All 739 in Michigan → Every provider in Warren → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Chakrapani Ranganathan, M.D.Warren, MI 480881194709584
- Ayman Rayes, MDTroy, MI 480851053302612
- Jeffrey Goldberg, M.D.Warren, MI 480931790946531
- Derek Grayson, M.D.Warren, MI 480931932652351
- Shana Krstevska, M.D.Troy, MI 480831750456497
- Holly Lorigan, D.O.Troy, MI 480831023216488
- Mark Olson, M.D.Warren, MI 480931225020746
- Stephanie Soukar, MDWarren, MI 480931992375109
Common questions
What is Thomas J. Oneil, DO's NPI number?
Thomas J. Oneil, DO's National Provider Identifier (NPI) is 1023090552, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Oneil, DO located?
The NPPES record lists a practice address at 27427 Schoenherr RD, Warren, MI, 48088. Phone: (586) 756-5500. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Oneil, DO's license?
NPPES lists Michigan license number 5101008653, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas J. Oneil, DO prescribe under Medicare Part D?
In 2024, Thomas J. Oneil, DO had 1,598 Medicare Part D claims for 360 beneficiaries; the average among neurology physician prescribers was 1,370. 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.