Wei-Kong Chien, MD
NPI 1780743385 · Family Medicine Physician · Bellflower, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wei-Kong Chien, MD is a Family Medicine Physician provider in Bellflower, CA (NPI 1780743385).
Provider details
- NPI number
- 1780743385
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A81823 (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 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 387 | 342 |
| Lisinopril | 270 | 221 |
| Amlodipine Besylate | 260 | 202 |
| Rosuvastatin Calcium | 208 | 173 |
| Levothyroxine Sodium | 188 | 152 |
| Losartan Potassium | 180 | 150 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-12-08
Frequently asked questions
- What is Wei-Kong Chien's NPI number?
- Wei-Kong Chien's National Provider Identifier (NPI) is 1780743385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wei-Kong Chien's specialty?
- Wei-Kong Chien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wei-Kong Chien located?
- Wei-Kong Chien's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Wei-Kong Chien's phone number?
- The practice phone number listed in the NPPES registry for Wei-Kong Chien is (562) 461-3000.
- Does Wei-Kong Chien accept Medicare?
- Wei-Kong Chien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wei-Kong Chien's NPI active?
- Yes — Wei-Kong Chien's NPI (1780743385) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.