Darren O'Neill, M.D.
NPI 1982781373 · Diagnostic Radiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren O'Neill, M.D. is a Diagnostic Radiology Physician provider in Milwaukee, WI (NPI 1982781373).
Provider details
- NPI number
- 1982781373
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01058893 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,046 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 450 | $37 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 99 | $138 |
| Ct Scan of Upper Spine Without Contrast72125 | 97 | $44 |
| Mri Scan of Brain Without Contrast70551 | 90 | $65 |
| Technetium Tc-99m Medronate, Diagnostic, Per Study Dose, Up to 30 MillicuriesA9503 | 52 | $66 |
| Mri Scan of Brain Before and After Contrast70553 | 49 | $101 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2017-01-17
Frequently asked questions
- What is Darren O'Neill's NPI number?
- Darren O'Neill's National Provider Identifier (NPI) is 1982781373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren O'Neill's specialty?
- Darren O'Neill is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Darren O'Neill located?
- Darren O'Neill's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Darren O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Darren O'Neill is (414) 805-3750.
- Does Darren O'Neill accept Medicare?
- Darren O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren O'Neill's NPI active?
- Yes — Darren O'Neill's NPI (1982781373) is active in the NPPES registry as of the last update on 2017-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.