Sung Chang, DO
NPI 1245388214 · Family Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sung Chang, DO is a Family Medicine Physician provider in Anaheim, CA (NPI 1245388214).
Provider details
- NPI number
- 1245388214
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A6764 (CA)
Specialties & taxonomies
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,075 | 714 |
| Levothyroxine Sodium | 468 | 312 |
| Amlodipine Besylate | 461 | 304 |
| Rosuvastatin Calcium | 438 | 303 |
| Lisinopril | 405 | 274 |
| Losartan Potassium | 398 | 277 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-11-30
Frequently asked questions
- What is Sung Chang's NPI number?
- Sung Chang's National Provider Identifier (NPI) is 1245388214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sung Chang's specialty?
- Sung Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sung Chang located?
- Sung Chang's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Sung Chang's phone number?
- The practice phone number listed in the NPPES registry for Sung Chang is (888) 988-2800.
- Does Sung Chang accept Medicare?
- Sung Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sung Chang's NPI active?
- Yes — Sung Chang's NPI (1245388214) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.