Eugene Chang, MD, PHD
NPI 1992199459ActiveIndividual· Internal Medicine, Cardiovascular Disease· Marysville, WA
Internal Medicine, Cardiovascular Disease (MD, PHD) with Cardionow PLLC, practicing in Marysville, Washington. Their prescriptions cost Medicare Part D more than their services did: $527,754 for 4,194 claims, against $225,967 paid for services in 2024. Heartflow, Inc. was the largest of 14 companies reporting payments in 2025, $2,264 in all, mostly food and beverage. Lists Providence Regional Medical Center Everett and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992199459 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2015 |
| Last updated in NPPES | Jun 5, 2023 |
| Certified by provider | Jun 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD61110128 | WA |
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) (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,312 |
|---|---|
| Services billed | 14,234 across 69 procedure codes |
| Paid by Medicare | $225,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,194 · 10,394 30-day fills |
|---|---|
| Patients | 1,076 |
| Total drug cost | $527,754 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Cardionow PLLCLynnwood, WA · 7 clinicians
Hospital affiliations
- Providence Regional Medical Center EverettEverett, WA
- Whidbeyhealth Medical CenterCoupeville, WA
Industry payments (Open Payments)
- 2025$2,264 · 32 payments from 14 companies
- 2024$1,837 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $1,175 | 6 |
| Abbott Laboratories | $360.79 | 4 |
| Cleerly, Inc. | $153.59 | 4 |
| Bridgebio Pharma, Inc. | $105.85 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $86.17 | 2 |
What the 2025 payments were for
- Food and Beverage$1,877 · 31 payments
- Travel and Lodging$386.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records