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Cardiac Electrophysiology

Wendy S. Tzou, MD

Works at hospitals in Longmont, CO · Denver, CO · Broomfield, CO … · Colorado

Summary

Dr. Wendy S. Tzou, MD is a cardiac electrophysiologist at 12605 E 16th Ave, Uchealth Anschutz Medical Campus, Aurora, CO 80045. Phone: (720) 848-0000. Accepts Medicare assignment. In 2024, Wendy S. Tzou had 798 Original Medicare patients and 1,930 services. NPI 1952493843. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiac electrophysiologist (Medicare lists Cardiac Electrophysiology)
  • Address: 12605 E 16th Ave, Uchealth Anschutz Medical Campus, Aurora, CO 80045 · Directions (5 more locations)
  • Phone: (720) 848‑0000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Longs Peak Hospital, National Jewish Health, UCHealth Broomfield Hospital and 2 more
  • Group practice: University Physicians Incorporated
  • Medical school: Johns Hopkins University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Wendy S. Tzou, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Wendy S. Tzou accept Medicare assignment?
Yes. Medicare's clinician data says Wendy S. Tzou 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 Wendy S. Tzou see?
In 2024, CMS data shows 798 Original Medicare patients and 1,930 services for Wendy S. Tzou. This counts Original Medicare only and measures volume, not quality.
What is Wendy S. Tzou's NPI number?
1952493843. 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 Wendy S. Tzou, 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 patients798
Services billed to Medicare1,930
Different services or procedures58
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)541 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)302 services
  3. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)198 services
  4. Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)136 services
  5. Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)128 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 cholesterol73%
  • Arthritis54%
  • Atrial fibrillation53%
  • Ischemic heart disease45%
  • Heart failure42%

Hospitals where Wendy S. Tzou works

Medicare's Facility Affiliation Data lists Wendy S. Tzou 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.

Practice locations

Addresses where Wendy S. Tzou is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Wendy S. Tzou as a member of this group (CMS data updated October 2, 2026).

  • University Physicians Incorporated3,215 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Colorado →

Other cardiac electrophysiologists in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All cardiac electrophysiologists in Aurora →

Other clinicians in University Physicians Incorporated

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952493843
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians