Timothy Oconnell, MD
NPI 1194766618 · Diagnostic Radiology Physician · Clarendon Hills, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Oconnell, MD is a Diagnostic Radiology Physician provider in Clarendon Hills, IL (NPI 1194766618).
Provider details
- NPI number
- 1194766618
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036104316 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
2,123 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 494 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 349 | $39 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 143 | $86 |
| Ct Scan of Upper Spine Without Contrast72125 | 107 | $47 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 89 | $83 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 86 | $87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2008-10-14
Frequently asked questions
- What is Timothy Oconnell's NPI number?
- Timothy Oconnell's National Provider Identifier (NPI) is 1194766618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Oconnell's specialty?
- Timothy Oconnell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Oconnell located?
- Timothy Oconnell's practice location on file with NPPES is 201 Norfolk Ave, Clarendon Hills, IL 60514-1146.
- What is Timothy Oconnell's phone number?
- The practice phone number listed in the NPPES registry for Timothy Oconnell is (312) 318-9827.
- Does Timothy Oconnell accept Medicare?
- Timothy Oconnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Oconnell's NPI active?
- Yes — Timothy Oconnell's NPI (1194766618) is active in the NPPES registry as of the last update on 2008-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.