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Min-Shong Chang, MD
NPI 1063479269 · Internal Medicine Physician · Hayward, CA
Min-Shong Chang, MD is a Internal Medicine Physician provider in Hayward, CA (NPI 1063479269).
Provider details
- NPI number
- 1063479269
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A37315 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
27171 Calaroga Ave
Suite 14
Hayward, CA 94545-4344
Phone: (510) 782-1972
Fax: (510) 782-1973
Approximate (ZIP-level) locationGet directions
Mailing address
27171 Calaroga Ave
Hayward, CA 94545-4344
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2010-06-15
Frequently asked questions
- What is Min-Shong Chang's NPI number?
- Min-Shong Chang's National Provider Identifier (NPI) is 1063479269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Min-Shong Chang's specialty?
- Min-Shong Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Min-Shong Chang located?
- Min-Shong Chang's practice location on file with NPPES is 27171 Calaroga Ave, Hayward, CA 94545-4344.
- What is Min-Shong Chang's phone number?
- The practice phone number listed in the NPPES registry for Min-Shong Chang is (510) 782-1972.
- Is Min-Shong Chang's NPI active?
- Yes — Min-Shong Chang's NPI (1063479269) is active in the NPPES registry as of the last update on 2010-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.