Quick answers
- Does Dennis Zhu accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis Zhu 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 Dennis Zhu see?
- In 2024, CMS data shows 1,048 Original Medicare patients and 1,966 services for Dennis Zhu. This counts Original Medicare only and measures volume, not quality.
- What is Dennis Zhu's NPI number?
- 1558338699. 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 Dennis Zhu, 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 | 1,048 |
|---|---|
| Services billed to Medicare | 1,966 |
| Different services or procedures | 66 |
| 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)569 services
- Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)209 services
- Programming of dual lead pacemaker system (93280)168 services
- Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)109 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)104 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 cholesterol74%
- Atrial fibrillation60%
- Ischemic heart disease47%
- Heart failure40%
- Arthritis39%
Hospitals where Dennis Zhu works
Medicare's Facility Affiliation Data lists Dennis Zhu 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.
- Amery Hospital & ClinicAmery, WI · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 521308
- Hudson HospitalHudson, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521335
- Lakeview Memorial HospitalStillwater, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240066
- Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106
- Westfields Hospital and ClinicNew Richmond, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521345
Practice locations
Addresses where Dennis Zhu is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 14701 Victor Hugo Blvd NHugo, MN 55038 (651) 767‑1900
- 1500 Curve Crest W BlvdStillwater, MN 55082 (651) 439‑1234
- 15350 English AveApple Valley, MN 55124 (952) 431‑8500
- 2500 Como AveSaint Paul, MN 55108
- 2831 Snelling N AveRoseville, MN 55113 (651) 636‑4525
Group practices
Medicare enrollment lists Dennis Zhu as a member of this group (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Group Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558338699 |
| 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