Boonchoo Chang, M.D.
NPI 1609932417 · Geriatric Medicine (Internal Medicine) Physician · Dowagiac, MI
Boonchoo Chang, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Dowagiac, MI (NPI 1609932417).
Provider details
- NPI number
- 1609932417
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301031400 (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
- 2006-12-28
- Last updated
- 2007-12-28
Frequently asked questions
- What is Boonchoo Chang's NPI number?
- Boonchoo Chang's National Provider Identifier (NPI) is 1609932417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Boonchoo Chang's specialty?
- Boonchoo Chang is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Boonchoo Chang located?
- Boonchoo Chang's practice location on file with NPPES is 417 W High St, Dowagiac, MI 49047-1906.
- What is Boonchoo Chang's phone number?
- The practice phone number listed in the NPPES registry for Boonchoo Chang is (269) 782-7150.
- Is Boonchoo Chang's NPI active?
- Yes — Boonchoo Chang's NPI (1609932417) is active in the NPPES registry as of the last update on 2007-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.