Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1679446447 Individual Practitioner Male Practitioner

Derek Andrew Fiedler , MS, DABR

Radiology - Radiological Physics • Springfield, IL

Professional Overview & Biography Verified Profile Summary

Derek Fiedler, MS, DABR is a registered healthcare professional specializing in Radiology - Radiological Physics in Springfield, IL. Practice services are available at 701 N 1ST ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

701 N 1st St

Springfield, IL 627810001

Telephone 8473702194
Associated Practice Facility / Clinic
🏢 Memorial Home Services Facility NPI 1982607123

Specialty Benchmarks & Practice Insights

Comparative analytics for Radiology - Radiological Physics in Springfield, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
3 Specialists

Practicing in Springfield, IL (5 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-04-07
Radiology - Radiological Physics Primary Specialty

NUCC Taxonomy Code: 2085R0205X

State License TX FMP02000228

A radiological physicist deals with the diagnostic and therapeutic applications of roentgen rays, gamma rays from sealed sources, ultrasonic radiation and radio-frequency radiation, as well as the equipment associated with their production and use, including radiation safety.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Lucas Stoller , PharmD

Pharmacist - Critical Care

NPI 1003531310

Doctor of Pharmacy (Pharm.D.)

Dr. Rebecca Mahon , PHD DABR

Radiology - Radiological Physics

NPI 1003774050

PHDDABR

Carol Gorden , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003877283

Certified Registered Nurse Anesthetist

NPI 1013108372

Doctor of Medicine (M.D.)

Ann Larson , CRNA

Nurse Anesthetist, Certified Registered

NPI 1013249879

Certified Registered Nurse Anesthetist

Dr. Ryan Mccarty , MD

Internal Medicine

NPI 1013368646

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
📍
Updated Practice Location January 09, 2026

Registered at 701 N 1ST ST, SPRINGFIELD, IL 627810001 (Tel: 8473702194)

NPI Profile Active September 26, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location September 26, 2025

Registered at 301 N 8TH ST, SPRINGFIELD, IL 627011041 (Tel: 8473702194)

📍
Updated Business Mailing Address September 26, 2025

Registered at 6824 CORONADO AVE, DALLAS, TX 752144014

👤
Provider Name / Credentials Updated September 26, 2025

Recorded as DEREK FIEDLER, MS, DABR

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2025

Radiology (License #FMP02000228 in TX)

🟢
Initial NPI Registration & Enumeration September 26, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1679446447
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 26, 2025
Last Update: April 07, 2026
Sole Proprietor: Yes

Mailing Address

6824 Coronado Ave

Dallas, TX 752144014

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.