Leah Van Slambrouck, M.D.
NPI 1699009654 · Pediatrics Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leah Van Slambrouck, M.D. is a Pediatrics Physician provider in Oak Lawn, IL (NPI 1699009654).
Provider details
- NPI number
- 1699009654
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036129804 (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
16 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)
- 4259 S Berkeley AveChicago, IL 60653-3030Phone: (773) 268-6700Fax: (773) 268-9088
Registry dates
- Enumerated
- 2009-09-23
- Last updated
- 2022-09-21
- Certified
- 2022-09-21
Frequently asked questions
- What is Leah Van Slambrouck's NPI number?
- Leah Van Slambrouck's National Provider Identifier (NPI) is 1699009654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Van Slambrouck's specialty?
- Leah Van Slambrouck is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Leah Van Slambrouck located?
- Leah Van Slambrouck's practice location on file with NPPES is 4220 W 95th St Ste 210, Oak Lawn, IL 60453-2793.
- What is Leah Van Slambrouck's phone number?
- The practice phone number listed in the NPPES registry for Leah Van Slambrouck is (312) 949-4200.
- Does Leah Van Slambrouck accept Medicare?
- Leah Van Slambrouck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leah Van Slambrouck's NPI active?
- Yes — Leah Van Slambrouck's NPI (1699009654) is active in the NPPES registry as of the last update on 2022-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.