Lawrence Robert O'Connor, M.D.
NPI 1851434898ActiveIndividual· Internal Medicine, Interventional Cardiology· Glendale, CA
Internal Medicine, Interventional Cardiology (M.D.) in Glendale, California, licensed in CA, with an NPI issued in February 2007. Their prescriptions cost Medicare Part D more than their services did: $1,548,247 for 6,880 claims, against $158,075 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 14 companies reporting payments in 2025, $1,616 in all, mostly food and beverage.
Overview
| NPI | 1851434898 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 15, 2007 |
| Last updated in NPPES | Aug 30, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | A25238 | CA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | A25238 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 812 |
|---|---|
| Services billed | 2,463 across 18 procedure codes |
| Paid by Medicare | $158,075 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,880 · 11,332 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $1,548,247 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$1,616 · 56 payments from 14 companies
- 2024$3,567 · 140 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $375.92 | 7 |
| E.R. Squibb & Sons, L.L.C. | $316.36 | 7 |
| Merck Sharp & Dohme LLC | $206.46 | 7 |
| Novartis Pharmaceuticals Corporation | $193.30 | 9 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $143.16 | 9 |
What the 2025 payments were for
- Food and Beverage$1,616 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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