John Zheng Nan, M.D
NPI 1013336643ActiveIndividual· Internal Medicine, Interventional Cardiology· Newport Beach, CA
Internal Medicine, Interventional Cardiology (M.D) with Newport Heart Medical Group Inc, practicing in Newport Beach, California. In 2024 Medicare paid $366,751 for 666 patients, and Part D covered 1,618 of their prescriptions, 79% of them generic. Edwards Lifesciences Corporation was the largest of 10 companies reporting payments in 2025, $7,509 in all, mostly consulting fees. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1013336643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Apr 10, 2014 |
| Last updated in NPPES | Apr 21, 2025 |
| Certified by provider | Apr 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | A189786 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 666 |
|---|---|
| Services billed | 3,217 across 79 procedure codes |
| Paid by Medicare | $366,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,618 · 4,363 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $447,847 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Telehealth | Offers telehealth |
Medical group
- Newport Heart Medical Group IncNewport Beach, CA · 9 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$7,509 · 20 payments from 10 companies
- 2024$275.64 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $7,092 | 7 |
| Medtronic, Inc. | $176.03 | 2 |
| Novartis Pharmaceuticals Corporation | $63.87 | 3 |
| Cvrx, Inc. | $53.22 | 2 |
| E.R. Squibb & Sons, L.L.C. | $32.59 | 1 |
What the 2025 payments were for
- Consulting Fee$6,890 · 3 payments
- Food and Beverage$619.08 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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