Rachel Sydney Werk

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

036.159755 Issued in IL

Practice address

225 E Chicago Ave
Chicago, IL 60611-2991

Phone

(312) 227-4000

NPI assigned

Apr 12, 2019

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hematology/OncologyAlso: Pediatric Medicine

Education

Other, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Lurie Children'S Medical Group Inc

  • Pediatrics Physician
  • Chicago, IL
  • NPI 1518064716
  Medicare reassignment

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1555027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1316400658",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WERK",
        "first_name": "RACHEL",
        "middle_name": "SYDNEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-12",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "IL",
            "license": "036.159755",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Meredith Weprin, MA, CCC-SLP
• Joan Werber, DO
• Eric Werbler, AMFT
• Moneer Werdeg, MD
• Grace Wergers
• Lindsay Werkmeister, M.D.
• Casey Werman, MS CCC-SLP
• Brian D Werner, DDS
• Brianna Werner
• Emily Werner, RD, LDN

• Pediatric Hematology & Oncology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Pediatric Hematology & Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.