Mark Chiu, MD
NPI 1447049432 · Family Medicine Physician · Tucson, AZ
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chiu, MD is a Family Medicine Physician provider in Tucson, AZ (NPI 1447049432).
Provider details
- NPI number
- 1447049432
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R81859 (AZ)
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
1 yr 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
- 2025-05-05
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Mark Chiu's NPI number?
- Mark Chiu's National Provider Identifier (NPI) is 1447049432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chiu's specialty?
- Mark Chiu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chiu located?
- Mark Chiu's practice location on file with NPPES is 655 N Alvernon Way Ste 228, Tucson, AZ 85711-1853.
- What is Mark Chiu's phone number?
- The practice phone number listed in the NPPES registry for Mark Chiu is (520) 626-7864.
- Does Mark Chiu accept Medicare?
- Mark Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chiu's NPI active?
- Yes — Mark Chiu's NPI (1447049432) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.