Derek Andrew Fiedler, MS, DABR

Primary specialty

Radiological Physics PhysicianTaxonomy code 2085R0205X

License

FMP02000228 Issued in TX

Practice address

701 N 1St St
Springfield, IL 62781-0001

Phone

(847) 370-2194

NPI assigned

Sep 26, 2025

Last updated

Apr 7, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1758844800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1679446447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6824 CORONADO AVE",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752144014"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 N 1ST ST",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627810001",
            "telephone_number": "847-370-2194"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIEDLER",
        "first_name": "DEREK",
        "middle_name": "ANDREW",
        "credential": "MS, DABR",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-26",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0205X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiological Physics",
            "state": "TX",
            "license": "FMP02000228",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Teresa A. Fesen, FNP-BC
• Jayne E Fiaush, CRNA
• Robert Eugene Fickes Jr., LCPC
• Barbara Fiedler
• Christopher A Fiedler, MD
• Daniel Gregory Field, PHARM.D
• Shaylynn Fields
• Mary P Fierce, NBC-HWC
• Fredric Ross Fiersten, DDS
• Amanda Brielle Figge, RD, LDN

• Radiological Physics Physician in Springfield, IL
• Providers in Springfield, IL by specialty
• Radiological Physics Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; 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.