Quick answers
- Does Maria Y. Kwok accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Y. Kwok accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Maria Y. Kwok's NPI number?
- 1134188014. 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 Maria Y. Kwok is enrolled with Medicare (CMS data updated October 2, 2026).
- 622 W 168th StNew York, NY 10032 (212) 305‑9876
Group practices
Medicare enrollment lists Maria Y. Kwok as a member of this group (CMS data updated October 2, 2026).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
Specialties
- Pediatric Medicineprimary
- Emergency Medicinealso
Other pediatricians in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Trustees of Columbia University in the City of New York
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134188014 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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