Thomas Oneil, DO
NPI 1023090552 · Neurology Physician · Warren, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Oneil, DO is a Neurology Physician provider in Warren, MI (NPI 1023090552).
Provider details
- NPI number
- 1023090552
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101008653 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
528 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 110 | $131 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $91 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 42 | $93 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 208 | 62 |
| Gabapentin | 198 | 54 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 154 | 39 |
| Levetiracetam | 81 | 22 |
| Primidone | 62 | 20 |
| Clonazepam | 58 | 22 |
| Alprazolam | 46 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2022-12-20
- Certified
- 2022-12-20
Frequently asked questions
- What is Thomas Oneil's NPI number?
- Thomas Oneil's National Provider Identifier (NPI) is 1023090552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Oneil's specialty?
- Thomas Oneil is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Oneil located?
- Thomas Oneil's practice location on file with NPPES is 27427 Schoenherr Rd, Warren, MI 48088-4729.
- What is Thomas Oneil's phone number?
- The practice phone number listed in the NPPES registry for Thomas Oneil is (586) 756-5500.
- Does Thomas Oneil accept Medicare?
- Thomas Oneil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Oneil's NPI active?
- Yes — Thomas Oneil's NPI (1023090552) is active in the NPPES registry as of the last update on 2022-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.