Jeffrey Chang, MD
NPI 1992738728 · Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Chang, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Sacramento, CA (NPI 1992738728).
Provider details
- NPI number
- 1992738728
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C52373 (CA)
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
2 documented practice locations
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
Additional practice locations (1)
- 3308 W Chartwell RdPeoria, IL 61614-2322Phone: (309) 691-7640Fax: (309) 691-7643
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Jeffrey Chang's NPI number?
- Jeffrey Chang's National Provider Identifier (NPI) is 1992738728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Chang's specialty?
- Jeffrey Chang is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Chang located?
- Jeffrey Chang's practice location on file with NPPES is 1020 29th St Ste 270, Sacramento, CA 95816-5173.
- What is Jeffrey Chang's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Chang is (916) 455-3700.
- Does Jeffrey Chang accept Medicare?
- Jeffrey Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Chang's NPI active?
- Yes — Jeffrey Chang's NPI (1992738728) 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.