Lin-Lin Chen, MD
NPI 1609039536 · Emergency Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lin-Lin Chen, MD is a Emergency Medicine Physician provider in Chicago, IL (NPI 1609039536).
Provider details
- NPI number
- 1609039536
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A104581 (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
17 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-10
- Last updated
- 2021-12-14
Frequently asked questions
- What is Lin-Lin Chen's NPI number?
- Lin-Lin Chen's National Provider Identifier (NPI) is 1609039536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lin-Lin Chen's specialty?
- Lin-Lin Chen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lin-Lin Chen located?
- Lin-Lin Chen's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Lin-Lin Chen's phone number?
- The practice phone number listed in the NPPES registry for Lin-Lin Chen is (773) 702-1000.
- Does Lin-Lin Chen accept Medicare?
- Lin-Lin Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lin-Lin Chen's NPI active?
- Yes — Lin-Lin Chen's NPI (1609039536) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.