Ronald Hansel Main, M.D.
NPI 1063520526ActiveIndividual· Internal Medicine, Cardiovascular Disease· Carlsbad, CA
Internal Medicine, Cardiovascular Disease (M.D.) with County of Santa Clara and 1 other group, practicing in Carlsbad, California. Mostly services rather than prescriptions: Medicare paid $5,642 for 34 patients in 2024, with only 16 Part D claims. Boston Scientific Corporation reported $95.00 in payments in 2025, mostly grants. Lists Santa Clara Valley Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1063520526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 26, 2006 |
| Last updated in NPPES | Aug 27, 2024 |
| Certified by provider | Aug 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | G40882 | CA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 01094694A | IN |
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); Practitioner - Cardiovascular Disease (Cardiology) (HI); Practitioner - Cardiovascular Disease (Cardiology) (MT); Practitioner - Cardiovascular Disease (Cardiology) (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 86 across 6 procedure codes |
| Paid by Medicare | $5,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16 · 33 30-day fills |
|---|---|
| Total drug cost | $1,495 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
- Union Physician Services LLCDover, OH · 94 clinicians
Hospital affiliations
- Santa Clara Valley Medical CenterSan Jose, CA
- Union HospitalDover, OH
Industry payments (Open Payments)
- 2025$95.00 · 1 payment from 1 company
- 2024$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $95.00 | 1 |
What the 2025 payments were for
- Grant$95.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Carlsbad
- 1982652939