Mark J Trelka, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

036082394 Issued in IL

Practice address

Naval Hospital Jacksonville 2080 Child Street
Jacksonville, FL 32214-0001

Phone

(904) 542-9752

NPI assigned

Jul 17, 2006

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

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HDCGBA

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.

• Dr Mark Trelka LTD

  • Neurology Physician
  • Vernon Hills, IL
  • NPI 1649347808
  NPD (past) Authorized official
• American Center for Spine & Neurosurgery LLC

  • Neurological Surgery Physician
  • Libertyville, IL
  • NPI 1942281126
  NPD (past)
• S I Neurology & Sleep Medicine LLC

  • Neurology Physician
  • Carbondale, IL
  • NPI 1790875987
  NPD (past)

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1720005291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "NAVAL HOSPITAL JACKSONVILLE 2080 CHILD STREET",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322140001",
            "telephone_number": "904-542-9752"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "NAVAL HOSPITAL JACKSONVILLE 2080 CHILD STREET",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322140001",
            "telephone_number": "904-542-9752"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRELKA",
        "first_name": "MARK",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IL",
            "license": "036082394",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036082394",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "03905078",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tree of Life Community Home Care LLC
• Donna B Treesh, D.O.
• Kasey Elizabeth Treger, D.O.
• Jorge Francisco Trejo-Gutierrez, M.D.
• Lauren Trejo
• Alison Trembly, ARNP
• Erin M Tremel, PA-C
• Delano Rojay Trenchfield, MD
• Frederick Louis Trent, MD
• Kelly Trent

• Neurology Physician in Jacksonville, FL
• Providers in Jacksonville, FL by specialty
• Neurology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.