Lawrence O'Connor, M.D.
NPI 1851434898 · Interventional Cardiology Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence O'Connor, M.D. is a Interventional Cardiology Physician provider in Glendale, CA (NPI 1851434898).
Provider details
- NPI number
- 1851434898
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A25238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,415 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,779 | $101 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 292 | $71 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 83 | $22 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 78 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 65 | $148 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 526 | 86 |
| Atorvastatin Calcium | 508 | 86 |
| Rosuvastatin Calcium | 488 | 99 |
| Ezetimibe | 453 | 76 |
| Apixabanbrand: Eliquis | 427 | 66 |
| Metoprolol Succinate | 310 | 62 |
| Amlodipine Besylate | 274 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,514 across 138 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2010-08-30
Frequently asked questions
- What is Lawrence O'Connor's NPI number?
- Lawrence O'Connor's National Provider Identifier (NPI) is 1851434898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence O'Connor's specialty?
- Lawrence O'Connor is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence O'Connor located?
- Lawrence O'Connor's practice location on file with NPPES is 1510 S Central Ave, Glendale, CA 91204-2500.
- What is Lawrence O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Lawrence O'Connor is (818) 242-8816.
- Does Lawrence O'Connor accept Medicare?
- Lawrence O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence O'Connor's NPI active?
- Yes — Lawrence O'Connor's NPI (1851434898) is active in the NPPES registry as of the last update on 2010-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.