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Katherine Fixmer Hellmer , OTR

Physician • Stoughton, WI

Active NPI 1265716351 Individual Practitioner Female Practitioner
Practice location in NPPES

900 Ridge St
Stoughton, WI 535891864

Call 6088736611 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

900 Ridge St

Stoughton, WI 535891864

Telephone 6088736611
Fax 6088731182
Organization at the Same NPPES Address or Phone
Stoughton Hospital Association Facility NPI 1679558647

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

NPI first issued

2011

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Specialties & License Numbers Reported to NPPES

General Acute Care Hospital - Critical Access Primary Specialty

NUCC Taxonomy Code: 282NC0060X

License # reported to NPPES WI 1163-26
Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Wisconsin Department of Safety and Professional Services.
Look Up on State Board Site

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

3 listed
Mark Belligan , MPA, PA-C

Physician Assistant

NPI 1184177297

MPA, Physician Assistant (Certified)

Tina Degroot , APNP

Clinical Nurse Specialist - Adult Health

NPI 1346327392

Advanced Practice Nurse Prescriber

NPI 1881682805

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated October 06, 2011.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.

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NPI Administrative Meta

NPI Number: 1265716351
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 06, 2011
Last Update: October 06, 2011
Sole Proprietor: Yes

Mailing Address

900 Ridge St

Stoughton, WI 535891864

Phone: 6088736611

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.