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Cardiovascular Disease (Cardiology)

Tong Zhu, MD

Works at hospitals in Manchester, NH · Lebanon, NH · Nashua, NH … · New Hampshire

Summary

Dr. Tong Zhu, MD is a cardiologist at 1 Elliot Way, Manchester, NH 03103. Phone: (603) 668-4079. Accepts Medicare assignment. In 2024, Tong Zhu had 1,771 Original Medicare patients and 4,641 services. NPI 1811987340. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Tong Zhu, 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 Tong Zhu accept Medicare assignment?
Yes. Medicare's clinician data says Tong 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 Tong Zhu see?
In 2024, CMS data shows 1,771 Original Medicare patients and 4,641 services for Tong Zhu. This counts Original Medicare only and measures volume, not quality.
What is Tong Zhu's NPI number?
1811987340. 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 Tong 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 patients1,771
Services billed to Medicare4,641
Different services or procedures69
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,140 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)735 services
  3. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)585 services
  4. Programming of dual lead pacemaker system (93280)402 services
  5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)301 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%
  • Arthritis46%
  • Atrial fibrillation42%
  • Ischemic heart disease35%
  • Anxiety34%

Hospitals where Tong Zhu works

Medicare's Facility Affiliation Data lists Tong 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.

Practice locations

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

  • 1 Elliot WayManchester, NH 03103
  • 185 Queen City AveManchester, NH 03101
  • 20 Chambers Dr, Suite 1200Hooksett, NH 03106 (603) 668‑4079
  • 25 Leavey DrBedford, NH 03110
  • 40 Butrrick RdLondonderry, NH 03053

Group practices

Medicare enrollment lists Tong Zhu as a member of this group (CMS data updated October 2, 2026).

  • Elliot Professional Services427 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New Hampshire →

Other cardiologists in Manchester

Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.

All cardiologists in Manchester →

Other clinicians in Elliot Professional Services

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

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811987340
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