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Edit this profileAt a glance
- 7447 W Talcott Ave, Ste 262, Chicago, IL 60631
About Dr. Oconnor
Timothy W. Oconnor, MD practices cardiovascular disease in Chicago, IL. According to Medicare claims data, Timothy cared for 973 Medicare patients across 1,394 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1881687036.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 775-1900
- Email not available
Practice Locations
7447 W TALCOTT AVE STE 262
Chicago, IL 60631
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
1,394 services · 973 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
265 | As often as other peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
104 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
64 | Less often than most peers in Cardiovascular Disease |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
31 | Less often than most peers in Cardiovascular Disease |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
31 | Less often than most peers in Cardiovascular Disease |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | Treatment | 93288 |
17 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart during rest, exercise and/or drug-induced stress with report | Treatment | 93350 |
12 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
374 | As often as other peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
162 | More often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
109 | More often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Other cardiologists in Chicago 8
Same specialty, same city.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Oconnor's specialty?
Dr. Oconnor is a cardiologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Dr. Oconnor?
Dr. Oconnor is listed at 7447 W Talcott Ave Ste 262, Chicago, IL 60631. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Oconnor?
The number on file is (773) 775-1900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Oconnor's NPI number?
Dr. Oconnor's National Provider Identifier is 1881687036. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Oconnor been practicing?
Dr. Oconnor has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Oconnor known for?
According to Medicare billing data, Dr. Oconnor provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Oconnor confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oconnor. If this is you, claiming it is free.
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