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Hematology/Oncology

Rachel Werk, MD

Sees patients in Chicago, IL · Illinois

Summary

Rachel Werk, MD (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Chicago, IL. NPI 1316400658. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel Werk, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
May acceptAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)

Quick answers

Where does Rachel Werk see patients?
Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
What is Rachel Werk's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Pediatric Medicine.
Does Rachel Werk accept Medicare assignment?
Medicare's clinician data says Rachel Werk may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Rachel Werk's NPI number?
1316400658. 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 Rachel Werk is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All hematologist-oncologists in Chicago →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1316400658
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians