Andrew Kainsane Chen, MD
NPI 1134357007ActiveIndividual· Internal Medicine, Cardiovascular Disease· La Jolla, CA
Internal Medicine, Cardiovascular Disease (MD) in La Jolla, California, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $785,852 for 3,990 claims, against $186,967 paid for services in 2024. Biosense Webster, Inc. was the largest of 7 companies reporting payments in 2025, $1,949 in all, mostly travel and lodging.
Overview
| NPI | 1134357007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2009 |
| Last updated in NPPES | Mar 5, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A120866 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 4301095960 | MI |
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 | 850 |
|---|---|
| Services billed | 3,392 across 58 procedure codes |
| Paid by Medicare | $186,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,990 · 11,169 30-day fills |
|---|---|
| Patients | 596 |
| Total drug cost | $785,852 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arch Health Partners IncPoway, CA · 145 clinicians
Hospital affiliations
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
Industry payments (Open Payments)
- 2025$1,949 · 23 payments from 7 companies
- 2024$1,796 · 25 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $1,144 | 8 |
| Medtronic, Inc. | $547.64 | 8 |
| Astrazeneca Pharmaceuticals LP | $116.97 | 1 |
| Novartis Pharmaceuticals Corporation | $70.10 | 3 |
| United Therapeutics Corporation | $24.27 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,137 · 6 payments
- Food and Beverage$811.93 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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