Quick answers
- Does Zhigang Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Zhigang Liu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zhigang Liu see?
- In 2024, CMS data shows 846 Original Medicare patients and 3,326 services for Zhigang Liu. This counts Original Medicare only and measures volume, not quality.
- What is Zhigang Liu's NPI number?
- 1689931693. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zhigang Liu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 846 |
|---|---|
| Services billed to Medicare | 3,326 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)518 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)430 services
- Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)353 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)257 services
- Programming of dual lead pacemaker system (93280)196 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Atrial fibrillation59%
- Heart failure58%
- Arthritis44%
Hospitals where Zhigang Liu works
Medicare's Facility Affiliation Data lists Zhigang Liu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Beacon DowagiacDowagiac, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231315
- Borgess Medical CenterKalamazoo, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230117
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230075
- Oaklawn HospitalMarshall, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230217
- Three Rivers HealthThree Rivers, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 230015
Practice locations
Addresses where Zhigang Liu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1521 Gull RdKalamazoo, MI 49048 (269) 226‑5165
- 1722 Shaffer StKalamazoo, MI 49048 (269) 343‑1555
Group practices
Medicare enrollment lists Zhigang Liu as a member of these groups (CMS data updated October 2, 2026).
- Ascension Medical Group Promed262 clinicians in the group
- Ascension Borgess Hospital37 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Ascension Medical Group Promed
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689931693 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians