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Advanced Heart Failure and Transplant Cardiology

Carl W. Tong, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Dr. Carl W. Tong, MD is a heart failure and transplant cardiologist at 3838 N Campbell Ave, Bldg 2, Tucson, AZ 85719. Phone: (520) 694-8888. Accepts Medicare assignment. In 2024, Carl W. Tong had 18 Original Medicare patients and 218 services. NPI 1992760276. 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: Heart failure and transplant cardiologist (Medicare lists Advanced Heart Failure and Transplant Cardiology)
  • Address: 3838 N Campbell Ave, Bldg 2, Tucson, AZ 85719 · Directions (1 more location)
  • Phone: (520) 694‑8888
  • Medicare: Accepts Medicare assignment
  • Hospital: Banner - University Medical Center Tucson Campus
  • Group practice: Banner-University Medical Group
  • Medical school: graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Carl W. Tong, 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 Carl W. Tong accept Medicare assignment?
Yes. Medicare's clinician data says Carl W. Tong 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 Carl W. Tong see?
In 2024, CMS data shows 18 Original Medicare patients and 218 services for Carl W. Tong. This counts Original Medicare only and measures volume, not quality.
What is Carl W. Tong's NPI number?
1992760276. 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 Carl W. Tong, 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 patients18
Services billed to Medicare218
Different services or procedures24
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)62 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)13 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%
  • Heart failure75%
  • High cholesterol67%
  • Chronic kidney disease67%
  • Diabetes61%

Hospitals where Carl W. Tong works

Medicare's Facility Affiliation Data lists Carl W. Tong 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 Carl W. Tong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Banner-University Medical Group1,072 clinicians in the group

Specialties

Find other Advanced Heart Failure and Transplant Cardiology doctors in Arizona →

Other heart failure and transplant cardiologists in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

All heart failure and transplant cardiologists in Arizona →

Other clinicians in Banner-University Medical Group

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992760276
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