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Edit this profileAt a glance
- 1510 S Central Ave, Suite 420, Glendale, CA 91204
About Dr. O'connor
Based in Glendale, CA, Lawrence R. O'Connor, M.D. is listed in the NPI registry under interventional cardiology. Lawrence graduated from University of California, Geffen School of Medicine in 1971. Lawrence is also listed as specializing in cardiovascular disease. According to Medicare claims data, Lawrence cared for 1,364 Medicare patients across 2,415 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, ultrasound of heart with color-depicted blood flow, rate, direction and valve function, and exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician. NPI 1851434898 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (818) 242-8816
- Email not available
Practice Locations
1510 S CENTRAL AVE SUITE 420
Glendale, CA 91204
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology 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
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
Vein procedures
Procedures Most Often Billed to Medicare
2,415 services · 1,364 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
292 | More often than most peers in Interventional Cardiology |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
83 | More often than most peers in Interventional Cardiology |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
53 | More often than most peers in Interventional Cardiology |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
29 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
22 | As often as other peers in Interventional Cardiology |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
14 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,779 | More than most peers in Interventional Cardiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
78 | More often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
65 | As often as other peers in Interventional Cardiology |
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 interventional cardiologists at this location 1
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 — 28 related providers in 4 groups
Other interventional cardiologists in Glendale 6
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1971 at University of California, Geffen School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 7
Providers in CA who bill this service to Medicare most often.
Common questions
What is Lawrence R. O'Connor's specialty?
Lawrence R. O'Connor is an interventional cardiologist in Glendale, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where can I find Lawrence R. O'Connor?
Lawrence R. O'Connor is listed at 1510 S Central Ave Suite 420, Glendale, CA 91204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Lawrence R. O'Connor?
The number on file is (818) 242-8816. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Lawrence R. O'Connor's NPI number?
Lawrence R. O'Connor's National Provider Identifier is 1851434898. 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 Lawrence R. O'Connor's education?
Lawrence R. O'Connor attended University of California, Geffen School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How long has Lawrence R. O'Connor been practicing?
Lawrence R. O'Connor has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What is Lawrence R. O'Connor known for?
According to Medicare billing data, Lawrence R. O'Connor provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and exercise or drug-induced heart stress test with electrocardiogram with supervision by physician, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Lawrence R. O'Connor confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Lawrence R. O'Connor. If this is you, claiming it is free.
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