Troy B Shaffer, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036095672 Issued in IL

Practice address

4201 W Medical Center Dr
McHenry, IL 60050-8409

Phone

(815) 338-6600

NPI assigned

Jul 5, 2006

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

Other identifiers 1

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

Emergency Medicine

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Javon Bea Hospital Hospital, Rockford, IL, CCN 140239

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tshaffer49592@direct.mhemail.org

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.

• Rockford Health Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment Care Compare group NPD
• Mercy Harvard Hospital Inc

  • Critical Access Hospital
  • Harvard, IL
  • NPI 1427001445
  Medicare reassignment NPD
• Mercy Health System Corporation

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

  IL

  Medicare reassignment NPD
• Freeport Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788
  Medicare reassignment
• Freeport Regional Health Care Foundation

  • Family Medicine Physician
  • Freeport, IL
  • NPI 1457337016
  Medicare reassignment
• Mercy Harvard Hospital Inc

  • Skilled Nursing Facility
  • Harvard, IL
  • NPI 1124195557
  NPD
• RMH Pathologists, LTD

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

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD
• Specialty Physicians of Illinois, LLC

  • Internal Medicine Physician
  • Greenwood, IN
  • NPI 1124075676
  NPD (past)

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

• Javon Bea Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1629118609
  Care Compare affiliation

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

{
    "created_epoch": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1285665661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-338-6600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-338-6600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2400 N Rockton Ave",
            "address_2": "ER Dept",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611033655",
            "country_code": "US",
            "telephone_number": "815-971-5000",
            "fax_number": "815-968-0360",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "fax_number": "815-599-7974",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8201 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611142300",
            "country_code": "US",
            "telephone_number": "815-971-3333",
            "fax_number": "815-971-0916",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHAFFER",
        "first_name": "TROY",
        "middle_name": "B",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "IL",
            "license": "036095672",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036095672",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "36095672",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jaimie V Senese
• Katherine Senycia, PHARM.D.
• Elizabeth Ashley Sergenian
• Rachael Setlock
• Hadi Farouk Shaaban, DO
• Harin Shah, MD
• Kanan Uday Shah, PHARMD
• Nirav C Shah, M.D.
• Preksha J Shah, MD
• Mohammed Mubbasheer Shaik, M.D

• Emergency Medicine Physician in McHenry, IL
• Providers in McHenry, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 3, 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.