Fiona Thuy Chiu, MD
NPI 1437759172 · Internal Medicine Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fiona Thuy Chiu, MD is a Internal Medicine Physician provider in Fort Collins, CO (NPI 1437759172).
Provider details
- NPI number
- 1437759172
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0074797 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-10-30
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Fiona Thuy Chiu's NPI number?
- Fiona Thuy Chiu's National Provider Identifier (NPI) is 1437759172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fiona Thuy Chiu's specialty?
- Fiona Thuy Chiu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fiona Thuy Chiu located?
- Fiona Thuy Chiu's practice location on file with NPPES is 2021 Battlecreek Dr Unit a, Fort Collins, CO 80528-5120.
- What is Fiona Thuy Chiu's phone number?
- The practice phone number listed in the NPPES registry for Fiona Thuy Chiu is (970) 818-5725.
- Does Fiona Thuy Chiu accept Medicare?
- Fiona Thuy Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fiona Thuy Chiu's NPI active?
- Yes — Fiona Thuy Chiu's NPI (1437759172) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.