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

Dr. John F Nielsen, MD

Individual provider Family Medicine Physician · NPI 1003811415

Dr. John F Nielsen, MD is a Family Practice in Marinette, Wisconsin. Qualified in 1987, 39 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas and Wisconsin.

Years since qualifying
39
Licensed in
TX, WI
In the registry since
2005
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

4061 Old Peshtigo Rd
Marinette, WI 54143-3887
Phone: (715) 732-8050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 702 Davis St, Carthage, TX 75633-1461 — (903) 694-4991

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 75212-20 (WI)
Family Medicine Physician Taxonomy 207Q00000X · Licence J8333 (TX)

Record details

NPI number1003811415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 14, 2005
Last updated in NPPESDecember 10, 2024
Certification dateDecember 10, 2024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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