Matthew Au, MD
NPI 1013654664 · Internal Medicine Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Au, MD is a Internal Medicine Physician provider in Mesa, AZ (NPI 1013654664).
Provider details
- NPI number
- 1013654664
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 74247 (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
4 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
- 2022-05-16
- Last updated
- 2025-09-25
- Certified
- 2025-09-25
Frequently asked questions
- What is Matthew Au's NPI number?
- Matthew Au's National Provider Identifier (NPI) is 1013654664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Au's specialty?
- Matthew Au is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Au located?
- Matthew Au's practice location on file with NPPES is 1917 S Crismon Rd, Mesa, AZ 85209-6216.
- What is Matthew Au's phone number?
- The practice phone number listed in the NPPES registry for Matthew Au is (480) 610-7100.
- Does Matthew Au accept Medicare?
- Matthew Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Au's NPI active?
- Yes — Matthew Au's NPI (1013654664) is active in the NPPES registry as of the last update on 2025-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.