Winston Chang, DO
NPI 1952981730 · Student in an Organized Health Care Education/Training Program · Sacramento, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winston Chang, DO is a Student in an Organized Health Care Education/Training Program provider in Sacramento, CA (NPI 1952981730).
Provider details
- NPI number
- 1952981730
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- A20940 (CA)
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 20A20940 (CA)
Student, Health Care
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 20 | 11 |
| Atorvastatin Calcium | 16 | — |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 14 | — |
| Losartan Potassium | 14 | — |
| Bisoprolol Fumarate | 13 | — |
| Levothyroxine Sodium | 11 | — |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 17234 Valley BoulevardBuilding aFontana, CA 92335-6720Phone: (310) 710-0957
Registry dates
- Enumerated
- 2021-04-14
- Last updated
- 2024-08-21
- Certified
- 2024-08-21
Frequently asked questions
- What is Winston Chang's NPI number?
- Winston Chang's National Provider Identifier (NPI) is 1952981730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winston Chang's specialty?
- Winston Chang is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Winston Chang located?
- Winston Chang's practice location on file with NPPES is 4150 V St Ste G400, Sacramento, CA 95817-1460.
- What is Winston Chang's phone number?
- The practice phone number listed in the NPPES registry for Winston Chang is (310) 710-0957.
- Does Winston Chang accept Medicare?
- Winston Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winston Chang's NPI active?
- Yes — Winston Chang's NPI (1952981730) is active in the NPPES registry as of the last update on 2024-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.