Annette Chang, MD
NPI 1669554192 · Internal Medicine Physician · Ann Arbor, MI
Annette Chang, MD is a Internal Medicine Physician provider in Ann Arbor, MI (NPI 1669554192).
Provider details
- NPI number
- 1669554192
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301075781 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-20
- Last updated
- 2025-09-11
Frequently asked questions
- What is Annette Chang's NPI number?
- Annette Chang's National Provider Identifier (NPI) is 1669554192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annette Chang's specialty?
- Annette Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annette Chang located?
- Annette Chang's practice location on file with NPPES is 400 East Eisenhower Pkwy, Ann Arbor, MI 48108.
- What is Annette Chang's phone number?
- The practice phone number listed in the NPPES registry for Annette Chang is (734) 647-5871.
- Is Annette Chang's NPI active?
- Yes — Annette Chang's NPI (1669554192) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.