Quick answers
- Does Fiona Thuy Chiu accept Medicare assignment?
- Yes. Medicare's clinician data says Fiona Thuy Chiu 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.
- What is Fiona Thuy Chiu's NPI number?
- 1437759172. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Fiona Thuy Chiu works
Medicare's Facility Affiliation Data lists Fiona Thuy Chiu 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.
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060010
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060131
Practice locations
Addresses where Fiona Thuy Chiu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1024 S Lemay Ave, Poudre Valley HospitalFort Collins, CO 80524 (970) 495‑7142
- 2500 Rocky Mountain AveLoveland, CO 80538 (970) 624‑2500
- 6767 29th StGreeley, CO 80634 (970) 495‑7153
Group practices
Medicare enrollment lists Fiona Thuy Chiu as a member of this group (CMS data updated October 2, 2026).
- Northern Colorado Hospitalists Professional LLC86 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Other clinicians in Northern Colorado Hospitalists Professional LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New Mexico School Of Medicine |
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437759172 |
| 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
- 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