Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Natalie J Wietfeldt, MD

Individual provider Family Medicine Physician · NPI 1205409034

Natalie J Wietfeldt, MD is a Family Practice in Janesville, Wisconsin. Qualified in 2021, 5 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
5
Licensed in
WI
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

849 Kellogg Ave
Janesville, WI 53546-2808
Phone: (608) 755-7960
Fax: (608) 755-7873
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3524 E Milwaukee St, Janesville, WI 53546-1626 — (608) 756-7100

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 77581 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 89002-851 (WI)

Record details

NPI number1205409034
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2021
Last updated in NPPESDecember 18, 2023
Certification dateDecember 18, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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