Frederick Charles Herx IV, DC

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

15435 Issued in FL

Practice address

11900 Atlantic Blvd
Jacksonville, FL 32225-2920

Phone

(904) 338-9400

NPI assigned

Apr 14, 2025

Sex

Male

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 FL

Enrollment records 1

Specialty

Chiropractic

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Marshall Establishment PLLCGroup PAC ID 8527418250, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Marshall Establishment PLLC

  dba MaxLiving Chiropractic

  • Chiropractor
  • Jacksonville, FL
  • NPI 1790563997
  Medicare reassignment Care Compare group NPD
• Chanatrydc, LLC

  dba Chanatry Chiropractic

  • Chiropractor
  • Jacksonville, FL
  • NPI 1376883298
  Medicare reassignment NPD

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

{
    "created_epoch": "1744588800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1467247916",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2148 WATERFOOT LN",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322461132",
            "telephone_number": "904-347-0036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11900 ATLANTIC BLVD",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322252920",
            "telephone_number": "904-338-9400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERX",
        "first_name": "FREDERICK",
        "middle_name": "CHARLES",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "DC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-04-14",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "FL",
            "license": "15435",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Theresa Marie Hershfield, NP
• Ana P Hert, BCABA
• Cassandra Hert
• Marie Ann Hertl, RBT
• Christopher R Hervey
• Tara L Heselschwerdt, RD
• Monica Heseman, CRNA
• Kayla Hess, PA-C
• Hossam A Hessen, MD
• Ryan Mark Hessenius, MD

• Chiropractor in Jacksonville, FL
• Providers in Jacksonville, FL by specialty
• Chiropractor in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.