JEFFREY Y CHANG MD
NPI 1992738728
Internal Medicine - Endocrinology, Diabetes & Metabolism in Sacramento, CA
About Jeffrey Y Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY Y CHANG MD (NPI 1992738728) is an individual endocrinology, diabetes & metabolism provider in Sacramento, California, licensed in California (C52373) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Peoria, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jeffrey Y Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jeffrey Chang's NPI number?
The NPI number for Jeffrey Chang is 1992738728. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Jeffrey Chang located?
Jeffrey Chang practices at 1020 29th St Ste 270, Sacramento, CA 95816. The listed phone number is (916) 455-3700.
What is Jeffrey Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Jeffrey Chang enrolled in Medicare?
Yes. Jeffrey Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jeffrey Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Chang reassigns Medicare benefits to Sutter Valley Medical Foundation (Fairfield, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jeffrey Chang was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jeffrey Y Chang, MD · NPI 1992738728
Endocrinology, Diabetes & Metabolism physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since July 7, 2006.
## Identity
- **NPI:** 1992738728 (Entity type: Individual)
- **Enumerated:** July 7, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** C52373 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1020 29TH ST STE 270, Sacramento, CA 95816-5173
- **Phone:** (916) 455-3700 · **Fax:** (916) 503-7568
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sutter Valley Medical Foundation (NPI 1184859894, Fairfield, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992738728) · Data from the CMS NPPES public registry.