Bruce Gershenhorn, DO

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

036127065 Issued in IL

Practice address

4305 W Medical Center Dr Ste 1
McHenry, IL 60050-8425

Phone

(815) 759-8100

Fax

(815) 759-8106

NPI assigned

Mar 9, 2007

Last updated

Apr 23, 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 3

Addresses

Electronic endpoints 3

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

Medical OncologyAlso: Hematology/Oncology

Education

Philadelphia College of Osteopathic Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, shared by 39 NPIs, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116
• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182
• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bgershenhorn320777@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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group (Dreyer)

  • Multi-Specialty Clinic/Center
  • Aurora, IL
  • NPI 1003542184
  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• City of Hope Medical Group of Illinois PLLC

  • Specialist
  • Zion, IL
  • NPI 1548258072
  Medicare reassignment NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

• Advocate Condell Medical Center

  dba Advocate Condell Imaging Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  dba Advocate Condell Medical Center Grays Lake

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation
• Advocate North Side Health Network

  dba Advocate Illinois Masonic Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Northern Illinois Medical Center

  dba Centegra Hospital McHenry

  • General Acute Care Hospital
  • McHenry, IL
  • NPI 1982611281
  Care Compare affiliation

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

{
    "created_epoch": "1173398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1588796478",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4305 W MEDICAL CENTER DR STE 1",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508425",
            "telephone_number": "815-759-8100",
            "fax_number": "815-759-8106"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 E Congress Pkwy Ste 300",
            "address_purpose": "LOCATION",
            "city": "Crystal Lake",
            "state": "IL",
            "postal_code": "600146258",
            "country_code": "US",
            "telephone_number": "815-759-9260",
            "fax_number": "815-459-7840",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GERSHENHORN",
        "first_name": "BRUCE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-09",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IL",
            "license": "036127065",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "231510",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IL",
            "license": "036127065",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "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": "525 E Congress Pkwy Ste 300",
            "city": "Crystal Lake",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600146258",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bgershenhorn320777@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "525 E Congress Pkwy Ste 300",
            "city": "Crystal Lake",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600146258",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Shirley Ann Gerebizza, LMT
• Johanna Gerhardt, MA, LPC
• Rachel Susan Gerholdt, ICBD
• Kathryn Germain
• Spiridon G Gerolimatos, M.D.
• Syed N Ghani, M.D
• Monica Gibson
• Deanna Lynn Gill, M.A. CCC-SLP/L
• Jashan Gill, M.D
• Cheryl Gilliland, SLP

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 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.