Joe Hayashi, MD
NPI 1578636981 · Internal Medicine Physician · Sun City West, AZ
Joe Hayashi, MD is a Internal Medicine Physician provider in Sun City West, AZ (NPI 1578636981).
Provider details
- NPI number
- 1578636981
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12865 (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
19 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
- 2006-11-15
- Last updated
- 2012-06-11
Frequently asked questions
- What is Joe Hayashi's NPI number?
- Joe Hayashi's National Provider Identifier (NPI) is 1578636981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joe Hayashi's specialty?
- Joe Hayashi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joe Hayashi located?
- Joe Hayashi's practice location on file with NPPES is 14300 W Granite Valley Dr, Sun City West, AZ 85375-5783.
- What is Joe Hayashi's phone number?
- The practice phone number listed in the NPPES registry for Joe Hayashi is (623) 546-6535.
- Is Joe Hayashi's NPI active?
- Yes — Joe Hayashi's NPI (1578636981) is active in the NPPES registry as of the last update on 2012-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.