Ian Liu, MD
NPI 1558121830 · Pediatrics Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Liu, MD is a Pediatrics Physician provider in Chicago, IL (NPI 1558121830).
Provider details
- NPI number
- 1558121830
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125.083770 (IL)
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
2 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
- 2024-03-21
- Last updated
- 2024-08-03
- Certified
- 2024-08-03
Frequently asked questions
- What is Ian Liu's NPI number?
- Ian Liu's National Provider Identifier (NPI) is 1558121830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Liu's specialty?
- Ian Liu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Liu located?
- Ian Liu's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Ian Liu's phone number?
- The practice phone number listed in the NPPES registry for Ian Liu is (866) 600-2273.
- Does Ian Liu accept Medicare?
- Ian Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Liu's NPI active?
- Yes — Ian Liu's NPI (1558121830) is active in the NPPES registry as of the last update on 2024-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.