John Nader Bahadorani, M.D.
NPI 1780883082ActiveIndividual· Internal Medicine, Cardiovascular Disease· Laguna Hills, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Laguna Hills, California, trained at University of Texas Medical Branch at Galveston (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $848,273 for 4,392 claims, against $514,075 paid for services in 2024. Biotronik Inc. was the largest of 31 companies reporting payments in 2025, $4,932 in all, mostly food and beverage.
Overview
| NPI | 1780883082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 16, 2007 |
| Last updated in NPPES | Sep 25, 2026 |
| Certified by provider | Sep 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A123767 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 794 |
|---|---|
| Services billed | 5,739 across 78 procedure codes |
| Paid by Medicare | $514,075 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,392 · 10,988 30-day fills |
|---|---|
| Patients | 635 |
| Total drug cost | $848,273 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Interventional Cardiology |
Medical group
- South Orange County Cardiology GrpLaguna Hills, CA · 10 clinicians
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$4,932 · 126 payments from 31 companies
- 2024$3,896 · 130 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotronik Inc. | $1,846 | 21 |
| Aop Health US, LLC | $525.00 | 1 |
| E.R. Squibb & Sons, L.L.C. | $302.81 | 22 |
| Shockwave Medical, Inc | $261.00 | 2 |
| Boston Scientific Corporation | $206.55 | 7 |
What the 2025 payments were for
- Food and Beverage$4,058 · 122 payments
- Travel and Lodging$874.04 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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