Quick answers
- Where does Helen N. Tcheng see patients?
- Medicare's clinician data lists 2 practice locations, including Buffalo Grove, IL and Oak Lawn, IL. Call before your visit to confirm the address.
- What is Helen N. Tcheng's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Helen N. Tcheng accept Medicare assignment?
- Yes. Medicare's clinician data says Helen N. Tcheng accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Helen N. Tcheng?
- (847) 459-1160, as listed in official Medicare / NPI Registry data.
- What is Helen N. Tcheng's NPI number?
- 1033135934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Helen N. Tcheng is enrolled with Medicare (CMS data updated 2026-10-02).
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 9555 S 52nd AveOak Lawn, IL 60453 (708) 634‑0950
Group practices
Medicare enrollment lists Helen N. Tcheng as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in Buffalo Grove
Clinicians with the same Medicare primary specialty in Buffalo Grove, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033135934 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians