Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Rachel Sydney Werk

Individual provider Pediatric Hematology & Oncology Physician · NPI 1316400658

Rachel Sydney Werk is a Hematology/Oncology in Chicago, Illinois. Qualified in 2019, 7 years ago. Licensed in Illinois.

Years since qualifying
7
Licensed in
IL
In the registry since
2019

Practice location Address checks out

225 E Chicago Ave
Chicago, IL 60611-2991
Phone: (312) 227-4000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 036.159755 (IL)

Record details

NPI number1316400658
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 12, 2019
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated

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