Ryan H. Engel, DO

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

036.107459 Issued in IL

Practice address

Cancer Treatment Centers of America
2520 Elisha Avenue
Zion, IL 60099

Phone

(800) 322-9183

Fax

(262) 687-5098

NPI assigned

Jan 25, 2007

Last updated

Jun 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL, WI2 enrollments

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 2

Specialty

Hematology/Oncology

Education

Midwestern University, Chicago College of Osteopathic Med, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
• Thedacare Regional Medical Center - Appleton Inc Hospital, Appleton, WI, CCN 520160
• Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288
• Thedacare Regional Med Ctr - Neenah Hospital, Neenah, WI, CCN 520045

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rengel334403@direct.myadvocateaurora.org

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

• Thedacare, Incorporated

  dba ThedaCare Physicians

  • Family Medicine Physician
  • New London, WI
  • NPI 1376656959
  Medicare reassignment Care Compare group NPD
• City of Hope Medical Group of Illinois PLLC

  • Specialist
  • Zion, IL
  • NPI 1548258072
  Medicare reassignment NPD
• Rockford Health Physicians

  dba Mercyhealth Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment NPD
• Ascension Medical Group-Southeast Wisconsin Inc

  dba Ascension Medical Group

  • Internal Medicine Physician
  • Glendale, WI
  • NPI 1609881077
  Medicare reassignment NPD
• Mercy Health System Corporation

  dba MHS Physician Services

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603

  IL

  Medicare reassignment NPD
• RMH Pathologists, LTD

  • Anatomic Pathology Physician
  • Rockford, IL
  • NPI 1184671992
  NPD
• Mercy Health System Corporation

  dba Mercy Walworth Hospital and Medical Center

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Christ Medical Center

  • General Acute Care Hospital
  • Oak Lawn, IL
  • NPI 1548375082
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc

  dba ThedaCare Medical Center Orthopedics, Spine, and Pain

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1740920909
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1497119218
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1689038408
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  dba WI Veterans Village Physical Therapy

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1831773589
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1902832306
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  dba ThedaCare Medical Center - Fond Du Lac

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1912721002
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc.

  dba ThedaCare Medical Center - Oshkosh

  • General Acute Care Hospital
  • Oshkosh, WI
  • NPI 1912880329
  Care Compare affiliation
• Thedacare Regional Medical Center - Neenah, Inc.

  • General Acute Care Hospital
  • Neenah, WI
  • NPI 1023472842
  Care Compare affiliation
• Thedacare Regional Medical Center - Neenah, Inc.

  • General Acute Care Hospital
  • Menasha, WI
  • NPI 1720434806
  Care Compare affiliation

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

{
    "created_epoch": "1169683200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1740336718",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CANCER TREATMENT CENTERS OF AMERICA",
            "address_2": "2361 PAYSPHERE CIRCLE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606740001",
            "telephone_number": "800-322-9183",
            "fax_number": "262-687-5098"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CANCER TREATMENT CENTERS OF AMERICA",
            "address_2": "2520 ELISHA AVENUE",
            "city": "ZION",
            "state": "IL",
            "postal_code": "60099",
            "telephone_number": "800-322-9183",
            "fax_number": "262-687-5098"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1221 N Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "IL",
            "postal_code": "605061404",
            "country_code": "US",
            "telephone_number": "630-554-3456",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2500 E Capitol Dr",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "549118735",
            "country_code": "US",
            "telephone_number": "920-364-3600",
            "fax_number": "920-364-3900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ENGEL",
        "first_name": "RYAN",
        "middle_name": "H.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-25",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IL",
            "license": "036.107459",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "WI",
            "license": "55818",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rengel334403@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1221 N Highland Ave",
            "city": "Aurora",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605061404",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1221 N Highland Ave",
            "city": "Aurora",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605061404",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Monica Donald
• Charles Waltz Dowdy V, CRC, LCPC, AACC
• Neil Curtis Dunavin, M.D.
• Wallis Olivia Edwards, MD
• Julie K. Elliott, MH, CLA, CD(DONA)
• Austin James Engquist
• Clarence D Engstrom, MD
• Lafay Erving, LCPC
• Susan Jean Fairley-Holbach, NURSE PRACTITIONER
• Faith Home Care Services

• Medical Oncology Physician in Zion, IL
• Providers in Zion, IL by specialty
• Medical Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.