CATHY L. CLAUSEN M.D.
NPI 1073526091
Radiology - Radiation Oncology in Springfield, IL

Q: What is Cathy Clausen's NPI number?

The NPI number for Cathy Clausen is 1073526091. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Q: What is Cathy Clausen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Cathy Clausen was last updated on April 1, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 14, 2006

800 E CARPENTER ST, SPRINGFIELD, IL 62769(217) 525-5666(217) 757-6754 Get Directions Write a Review

NPPES record last updated: April 1, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Cathy L. Clausen M.d. NPPES

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

CATHY L. CLAUSEN M.D. (NPI 1073526091) is an individual radiation oncology provider in Springfield, Illinois and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1073526091

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameCATHY L. CLAUSENCredential: M.D.

Location Address800 E CARPENTER STSpringfield, IL 62769-0001

Mailing Address800 E Carpenter StSpringfield, IL 62769-0001 · (217) 525-5666 · Fax (217) 757-6754

Phone(217) 525-5666

Fax(217) 757-6754

Sole ProprietorNo

Enumeration DateAugust 14, 2006

Last NPPES UpdateApril 1, 2008

✔ NPI 1073526091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

800 E CARPENTER ST, Springfield, IL 62769

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Other Identifiers 11

Other263476Healthlink

Medicare UPINC40154

Medicare ID-Type UnspecifiedK24921

Medicare ID-Type Unspecified539000Medicare Group No.

Other05723077Blue Cross Group#

Medicare ID-Type UnspecifiedCF8519Medicare Railroad Group

Other112254Health Alliance

OtherIL01ZZJohn Deere

Other207414Medicare Group No.

Medicare ID-Type UnspecifiedP00290812Medicare Railroad

Medicare PINK24010

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.

PATRICK R HEMMER M.D.

Pathology (Anatomic Pathology & Clinical Pathology)