Quick answers
- Does Tung Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Tung Nguyen 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 Tung Nguyen see?
- In 2024, CMS data shows 65 Original Medicare patients and 117 services for Tung Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Tung Nguyen's NPI number?
- 1073833521. 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 Tung Nguyen, 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 | 65 |
|---|---|
| Services billed to Medicare | 117 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)33 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)20 services
- Emergency department visit with moderate level of medical decision making (99284)18 services
- Hospital discharge day management, more than 30 minutes (99239)15 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 cholesterol69%
- Arthritis55%
- Anxiety48%
- Heart failure46%
- Chronic kidney disease43%
Hospitals where Tung Nguyen works
Medicare's Facility Affiliation Data lists Tung Nguyen 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.
- Canyon Vista Medical CenterSierra Vista, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030043
- Cary Medical CenterCaribou, ME · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 200031
- Down East Community HospitalMachias, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201311
- Fulton County Medical CenterMcConnellsburg, PA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 391303
- Mount Desert Island HospitalBar Harbor, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201304
Practice locations
Addresses where Tung Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 11 Hospital DrMachias, ME 04654 (207) 255‑3356
- 163 Van Buren Rd, Suite 1Caribou, ME 04736 (207) 498‑3111
- 214 Peach Orchard RdMc Connellsburg, PA 17233
- 5700 E Hwy 90Sierra Vista, AZ 85635 (520) 417‑4594
Group practices
Medicare enrollment lists Tung Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Sound Physicians Emergency Medicine of Arizona Inc42 clinicians in the group
- City of Caribou37 clinicians in the group
- Down East Community Hospital29 clinicians in the group
- Fulton County Medical Center29 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Machias
Clinicians with the same Medicare primary specialty in Machias, ME — not a recommendation.
Other clinicians in Sound Physicians Emergency Medicine of Arizona Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073833521 |
| 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