Yan Chu, MD
NPI 1538629241 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yan Chu, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1538629241).
Provider details
- NPI number
- 1538629241
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-20
- Last updated
- 2022-09-26
- Certified
- 2022-09-26
Frequently asked questions
- What is Yan Chu's NPI number?
- Yan Chu's National Provider Identifier (NPI) is 1538629241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yan Chu's specialty?
- Yan Chu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yan Chu located?
- Yan Chu's practice location on file with NPPES is 1225 S Grand Blvd, Saint Louis, MO 63104-1016.
- What is Yan Chu's phone number?
- The practice phone number listed in the NPPES registry for Yan Chu is (314) 977-4440.
- Does Yan Chu accept Medicare?
- Yan Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yan Chu's NPI active?
- Yes — Yan Chu's NPI (1538629241) is active in the NPPES registry as of the last update on 2022-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.