Zhigang Liu, M.D., PH.D.
NPI 1689931693ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Kalamazoo, MI
Internal Medicine, Clinical Cardiac Electrophysiology (M.D., PH.D.) with Ascension Medical Group Promed and 1 other group, practicing in Kalamazoo, Michigan. Their prescriptions cost Medicare Part D more than their services did: $560,236 for 1,919 claims, against $204,134 paid for services in 2024. Medtronic, Inc. was the largest of 11 companies reporting payments in 2025, $920.96 in all, mostly food and beverage. Lists Ascension Borgess Lee Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1689931693 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2012 |
| Last updated in NPPES | Jul 7, 2020 |
| Certified by provider | Jul 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 4301114888 | MI |
| Internal Medicine | 207R00000X | 35.125971 | OH |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 4301114888 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 846 |
|---|---|
| Services billed | 3,326 across 70 procedure codes |
| Paid by Medicare | $204,134 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,919 · 4,351 30-day fills |
|---|---|
| Patients | 585 |
| Total drug cost | $560,236 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Telehealth | Offers telehealth |
Medical groups
- Ascension Medical Group PromedKalamazoo, MI · 262 clinicians
- Ascension Borgess HospitalKalamazoo, MI · 37 clinicians
Hospital affiliations
- Ascension Borgess Lee HospitalDowagiac, MI
- Borgess Medical CenterKalamazoo, MI
- Bronson Battle Creek HospitalBattle Creek, MI
- Oaklawn HospitalMarshall, MI
- Three Rivers HealthThree Rivers, MI
Other facilities
- Beacon PlainwellLong-term care hospital · Plainwell, MI
Industry payments (Open Payments)
- 2025$920.96 · 28 payments from 11 companies
- 2024$472.32 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $338.02 | 6 |
| Biosense Webster, Inc. | $151.61 | 3 |
| Abbott Laboratories | $139.83 | 4 |
| Boston Scientific Corporation | $70.08 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $50.99 | 3 |
What the 2025 payments were for
- Food and Beverage$920.96 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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