Yanjiao Chen, P.A.-C
NPI 1164645974 · Physician Assistant · Los Angeles, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yanjiao Chen, P.A.-C is a Physician Assistant provider in Los Angeles, CA (NPI 1164645974).
Provider details
- NPI number
- 1164645974
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA19011 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 55 | 20 |
| Atorvastatin Calcium | 54 | 14 |
| Simvastatin | 47 | 15 |
| Metformin Hcl | 46 | 15 |
| Levothyroxine Sodium | 44 | 12 |
| Lisinopril | 40 | — |
| Famotidine | 38 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2021-01-25
- Certified
- 2021-01-25
Frequently asked questions
- What is Yanjiao Chen's NPI number?
- Yanjiao Chen's National Provider Identifier (NPI) is 1164645974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yanjiao Chen's specialty?
- Yanjiao Chen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yanjiao Chen located?
- Yanjiao Chen's practice location on file with NPPES is 4755 East Cesar E Chavez Avenue Suite a, Los Angeles, CA 90022.
- What is Yanjiao Chen's phone number?
- The practice phone number listed in the NPPES registry for Yanjiao Chen is (323) 262-4194.
- Does Yanjiao Chen accept Medicare?
- Yanjiao Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yanjiao Chen's NPI active?
- Yes — Yanjiao Chen's NPI (1164645974) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.