Lucas Walker, MD
NPI 1780181529 · Pediatric Critical Care Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lucas Walker, MD is a Pediatric Critical Care Medicine Physician provider in Chicago, IL (NPI 1780181529).
Provider details
- NPI number
- 1780181529
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD2000024 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 111 Michigan Ave NwWashington, DC 20010-2916Phone: (202) 476-5000
Registry dates
- Enumerated
- 2018-04-09
- Last updated
- 2023-06-07
- Certified
- 2023-06-07
Frequently asked questions
- What is Lucas Walker's NPI number?
- Lucas Walker's National Provider Identifier (NPI) is 1780181529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lucas Walker's specialty?
- Lucas Walker is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lucas Walker located?
- Lucas Walker's practice location on file with NPPES is 5841 S Maryland Ave # L-444, Chicago, IL 60637-1443.
- What is Lucas Walker's phone number?
- The practice phone number listed in the NPPES registry for Lucas Walker is (773) 834-3860.
- Does Lucas Walker accept Medicare?
- Lucas Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lucas Walker's NPI active?
- Yes — Lucas Walker's NPI (1780181529) is active in the NPPES registry as of the last update on 2023-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.