Justin Duffy, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

1174918809 Issued in IL

Practice address

4309 W Medical Center Dr Ste A200
McHenry, IL 60050-8437

Phone

(815) 759-8070

Fax

(815) 759-4931

NPI assigned

Mar 31, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in NC, PA, DE, VA, IL, FL6 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 6

Specialty

Physician Assistant

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Florida Hospital Healthcare Partners, IncGroup PAC ID 7012266836, 621 clinicians

Baycare Medical Group, Inc.Group PAC ID 6406753623, 1,539 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventhealth Daytona Beach Hospital, Daytona Beach, FL, CCN 100068
• AdventHealth Palm Coast Hospital, Palm Coast, FL, CCN 100118
• Morton Plant Hospital Hospital, Clearwater, FL, CCN 100127

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles (7 of 9)

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

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.

• Baycare Medical Group, Inc.

  • General Practice Physician
  • Clearwater, FL
  • NPI 1043269871

  FL

  Medicare reassignment Care Compare group
• Florida Hospital Healthcare Partners, Inc

  • Internal Medicine Physician
  • Daytona Beach, FL
  • NPI 1780100529

  FL

  Medicare reassignment Care Compare group
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Dover, DE
  • NPI 1467546135

  DE

  Medicare reassignment NPD
• Asheville Heart PA

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Asheville, NC
  • NPI 1376690412

  NC

  Medicare reassignment
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Milford, DE
  • NPI 1023006434

  DE

  Medicare reassignment
• Beebe Physician Network Inc.

  • Internal Medicine Physician
  • Lewes, DE
  • NPI 1730133992

  DE

  Medicare reassignment
• Pinnacle Health Cardiovascular Institute Inc

  • Cardiovascular Disease Physician
  • Wormleysburg, PA
  • NPI 1952603342

  PA

  Medicare reassignment
• RMH Medical Group LLC

  • General Practice Physician
  • Rockingham, VA
  • NPI 1669844908

  VA

  Medicare reassignment
• The Milton S Hershey Medical Center Physicians Group

  • Orthopaedic Surgery Physician
  • Hershey, PA
  • NPI 1710951744

  PA

  Medicare reassignment
• Baycare Medical Group, Inc.

  • Family Medicine Physician
  • Clearwater, FL
  • NPI 1659720837
  NPD
• Bayhealth Medical Center, Inc

  • Gastroenterology Physician
  • Milford, DE
  • NPI 1639938525
  NPD
• Bayhealth Medical Center, Inc.

  • Neurological Surgery Physician
  • Milford, DE
  • NPI 1356808208
  NPD

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

• Memorial Health Systems Inc

  • General Acute Care Hospital
  • Daytona Beach, FL
  • NPI 1063426823

  Hospital

  Care Compare affiliation
• Memorial Health Systems Inc

  • Clinical Medical Laboratory
  • Daytona Beach, FL
  • NPI 1104696178

  Hospital

  Care Compare affiliation
• Memorial Hospital Flagler Inc

  • General Acute Care Hospital
  • Palm Coast, FL
  • NPI 1679678486

  Hospital

  Care Compare affiliation
• Morton Plant Hospital Association Inc

  • General Acute Care Hospital
  • Clearwater, FL
  • NPI 1376529743

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1427760000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1174918809",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4309 W MEDICAL CENTER DR STE A200",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508437",
            "telephone_number": "815-759-8070",
            "fax_number": "815-759-4931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4309 W MEDICAL CENTER DR STE A200",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508437",
            "telephone_number": "815-759-8070",
            "fax_number": "815-759-4931"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "431 Savannah Rd",
            "address_purpose": "LOCATION",
            "city": "Lewes",
            "state": "DE",
            "postal_code": "199581460",
            "country_code": "US",
            "telephone_number": "302-644-4282",
            "fax_number": "302-644-8734",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "JUSTIN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-31",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "1174918809",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "DE",
            "license": "C5-0001211",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "PA",
            "license": "MA059753",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "VA",
            "license": "0110008240",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "DE",
            "license": "C5-0001211",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ernest Rennard Dubose Jr.
• Natalie Dubovoy, MD
• Amelia Nuesca Duca
• Debra Ducommun
• Adan Ulises Duenas Salas
• Kris Lynn Duffy, MA CCC/SLP-L
• Denise Renee Dumont-Meyer, OTR/L
• Ciara Duncan
• Gerrit Max Dunford
• Tammy Dunn

• Physician Assistant in McHenry, IL
• Providers in McHenry, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.