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 patients | 18 |
|---|---|
| Services billed to Medicare | 218 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)62 services
- 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.
- Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
Practice locations
Addresses where Carl W. Tong is enrolled with Medicare (CMS data updated October 2, 2026).
- 3838 N Campbell Ave, Bldg 2Tucson, AZ 85719 (520) 694‑8888
- 6261 N La Cholla Blvd, Suite 277Tucson, AZ 85741 (520) 694‑6800
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.
Other clinicians in Banner-University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992760276 |
| 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