Alfred Chang, MD
NPI 1104924372 · Surgery Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Chang, MD is a Surgery Physician provider in Ann Arbor, MI (NPI 1104924372).
Provider details
- NPI number
- 1104924372
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301052374 (MI)
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
- 2006-09-20
- Last updated
- 2020-02-07
- Certified
- 2020-02-07
Frequently asked questions
- What is Alfred Chang's NPI number?
- Alfred Chang's National Provider Identifier (NPI) is 1104924372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Chang's specialty?
- Alfred Chang is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Alfred Chang located?
- Alfred Chang's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Alfred Chang's phone number?
- The practice phone number listed in the NPPES registry for Alfred Chang is (734) 936-4000.
- Does Alfred Chang accept Medicare?
- Alfred Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Chang's NPI active?
- Yes — Alfred Chang's NPI (1104924372) is active in the NPPES registry as of the last update on 2020-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.