Michael Charles Chua Tan, MD
NPI 1265895940ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Portland, OR
Internal Medicine, Clinical Cardiac Electrophysiology (MD) in Portland, Oregon, trained at University of Washington School of Medicine (class of 2016). In 2024 Medicare paid $33,063 for 272 patients, and Part D covered 113 of their prescriptions, 88% of them generic. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $2,271 in all, mostly food and beverage.
Overview
| NPI | 1265895940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2016 |
| Last updated in NPPES | Oct 1, 2024 |
| Certified by provider | Oct 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | MD218431 | OR |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | S1931 | TX |
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) (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 272 |
|---|---|
| Services billed | 468 across 48 procedure codes |
| Paid by Medicare | $33,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 113 · 246 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $20,009 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical groups
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
- Providence Health and Services - OregonPortland, OR · 208 clinicians
- Providence Health and Services - OregonPortland, OR · 191 clinicians
Hospital affiliations
- Providence Hood River Memorial HospitalHood River, OR
- Providence Milwaukie HospitalMilwaukie, OR
- Providence Portland Medical CenterPortland, OR
- Providence Seaside HospitalSeaside, OR
- Providence St Vincent Medical CenterPortland, OR
Industry payments (Open Payments)
- 2025$2,271 · 33 payments from 4 companies
- 2024$9,893 · 56 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,890 | 27 |
| Boston Scientific Corporation | $203.09 | 3 |
| Philips North America LLC | $159.90 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $18.90 | 1 |
What the 2025 payments were for
- Food and Beverage$1,138 · 28 payments
- Travel and Lodging$1,134 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 Internal Medicine, Clinical Cardiac Electrophysiology providers in Portland · All Internal Medicine, Clinical Cardiac Electrophysiology providers in Oregon