Physician Profile
Unclaimed ProfileAbout O'CONNOR
Mark O'Connor, MD practises cardiovascular disease (cardiology) in Toledo, OH. Mark is a 1986 graduate of University of Michigan Medical School. Mark is also listed as specialising in clinical cardiac electrophysiology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. O'Connor's specialty?
Dr. O'Connor is a cardiovascular disease (cardiology) in Toledo, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. O'Connor?
Dr. O'Connor is listed at 2409 CHERRY ST STE 100, Toledo, OH 43608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Connor?
The number on file is (419) 251-3700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Connor's NPI number?
Dr. O'Connor's National Provider Identifier is 1245232800. 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
What is Dr. O'Connor's medical education?
Dr. O'Connor attended University of Michigan Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Connor been practising?
Dr. O'Connor has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Connor known for?
According to Medicare billing data, Dr. O'Connor performs procedures including insertion of pacemaker and upper and lower heart chamber electrode and insertion of implantable defibrillator system; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and programming of dual lead pacemaker system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Connor confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Connor. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (419) 251-3700
- Email not available
Practice Locations
2409 CHERRY ST STE 100
Toledo, OH 43608
Procedures Most Often Billed to Medicare
2,851 services · 1,842 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
12 |
| Insertion of implantable defibrillator system | Procedure | 33249 |
11 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
853 |
| Programming of dual lead pacemaker system | Treatment | 93280 |
206 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system | Treatment | 93289 |
119 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
109 |
| Programming of single lead implantable defibrillator system | Treatment | 93282 |
75 |
| Programming of multiple lead implantable defibrillator system | Treatment | 93284 |
73 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
63 |
| Evaluation of cardiac rhythm monitor system | Treatment | 93291 |
35 |
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 cardiovascular diseases at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 31 related providers in 4 groups
Other cardiovascular diseases in Toledo 7
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of pacemaker and upper and lower heart chamber electrode 8
Providers in OH who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.