DEREK ANDREW FIEDLER MS, DABR
NPI 1679446447
Radiology - Radiological Physics in Springfield, IL

Q: What is Derek Fiedler's NPI number?

The NPI number for Derek Fiedler is 1679446447. It was assigned to this individual provider in the NPPES registry on September 26, 2025.

Q: What is Derek Fiedler's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiological Physics, with taxonomy code 2085R0205X.

Q: When was this NPI record last updated?

The NPPES record for Derek Fiedler was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 26, 2025

701 N 1ST ST, SPRINGFIELD, IL 62781(847) 370-2194 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2026, Jan 9, 2026 (2 updates tracked since 2026).

On this page

About Derek Andrew Fiedler Ms, Dabr NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK ANDREW FIEDLER MS, DABR (NPI 1679446447) is an individual radiological physics provider in Springfield, Illinois, licensed in Texas (FMP02000228) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1679446447

Entity TypeIndividualMale

Primary Taxonomy2085R0205X

Provider Legal NameDEREK ANDREW FIEDLERCredential: MS, DABR

Location Address701 N 1ST STSpringfield, IL 62781-0001

Mailing Address6824 Coronado AveDallas, TX 75214-4014

Phone(847) 370-2194

Sole ProprietorYes

Enumeration DateSeptember 26, 2025

Last NPPES UpdateApril 7, 20262 updates tracked since enumeration

NPPES CertifiedApril 7, 2026

✔ NPI 1679446447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiological PhysicsAllopathic & Osteopathic Physicians

Taxonomy Code2085R0205X

License✔ Licensed in TX · FMP02000228

Definition

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.

701 N 1ST ST, Springfield, IL 62781

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LUCAS B STOLLER PHARMD

Pharmacist (Critical Care)

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 588-6402

DR. REBECCA NICHOLE MAHON PHD. DABR

Radiology (Radiological Physics)

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 788-3000

CAROL A GORDEN CRNA

Nurse Anesthetist, Certified Registered

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 788-3754

MEMORIAL HOME SERVICES

Hospice Care, Community Based

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 788-4663

DR. SWAPNA NEKKANTI M.D

Hospitalist

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 528-7541

ANN R LARSON CRNA

Nurse Anesthetist, Certified Registered

701 N 1ST ST, ANESTHESIA DEPARTMENT
SPRINGFIELD, IL 62781

Sangamon County (217) 788-3754

KELSEY A WALLACE CRNA

Nurse Anesthetist, Certified Registered

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 788-3000

MEMORIAL MEDICAL CENTER

Clinic/Center (Multi-Specialty)

701 N 1ST ST
SPRINGFIELD, IL 62781

Sangamon County (217) 788-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Fiedler's NPI number?

The NPI number for Derek Fiedler is 1679446447. It was assigned to this individual provider in the NPPES registry on September 26, 2025.

Where is Derek Fiedler located?

Derek Fiedler practices at 701 N 1st St, Springfield, IL 62781. The listed phone number is (847) 370-2194.

What is Derek Fiedler's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiological Physics, with taxonomy code 2085R0205X.

When was this NPI record last updated?

The NPPES record for Derek Fiedler was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.