Jeffrey Y. Chang, MD
Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Jeffrey Y. Chang, MD is an endocrinology, diabetes & metabolism physician with a practice address in Sacramento, California, and NPI 1992738728, issued on Jul 7, 2006. Check the license (California C52373, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Y. Chang
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- C52373 CA
036064132 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1020 29TH St Ste 270, Sacramento, CA 95816
- Phone
- (916) 455-3700
- Enumerated
- Jul 7, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (916) 503-7568
- Medicare enrollment
- Enrolled (PECOS I20250926002307); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 1020 29TH St Ste 270
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryam Amir, M.D.Endocrinology, Diabetes & Metabolism Physician1114379039
- Xue Bito, MDPediatric Hematology & Oncology Physician1306308564
- Rose Chumo, M.D.Student in an Organized Health Care Education/Training Program1730441114
- Andrea Gonzalez Falero, MDEndocrinology, Diabetes & Metabolism Physician1538523980
- Simran Thiara, M.D.Rheumatology Physician1316388028
- Manjinder Uppal, D.O.Rheumatology Physician1275948952
Verify Jeffrey Y. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C52373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
11 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Y. Chang among 1,131 endocrinology, diabetes & metabolism physician records in California
Jeffrey Y. Chang, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1980 · median 2003 among the 779 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Sacramento → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Maryam Amir, M.D.Sacramento, CA 958161114379039
- Maurice Gloster, MDSacramento, CA 958161275644593
- Andrea Gonzalez Falero, MDSacramento, CA 958161538523980
- Ginger McMullen, MDSacramento, CA 958161659476778
- Patrick Richards, MDSacramento, CA 958161003089871
- Courtney Tibble, M.D.Sacramento, CA 958161346403912
- Daniel Wong, ENDOCRINOLOGYSacramento, CA 958161902002231
- Thomas Aoki, MDSacramento, CA 958171730151655
Common questions
What is Jeffrey Y. Chang, MD's NPI number?
Jeffrey Y. Chang, MD's National Provider Identifier (NPI) is 1992738728, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Y. Chang, MD located?
The NPPES record lists a practice address at 1020 29TH St Ste 270, Sacramento, CA, 95816. Phone: (916) 455-3700. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Y. Chang, MD's license?
NPPES lists California license number C52373, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Y. Chang, MD prescribe under Medicare Part D?
In 2024, Jeffrey Y. Chang, MD had 11 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.