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

Dr. Fredrik Jenssen

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1881007656

Dr. Fredrik Jenssen is a Critical Care (Intensivists) in Neenah, Wisconsin. Qualified in 2014, 12 years ago. Practices with Thedacare, Incorporated, a 654-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
12
Licensed in
WI
In the registry since
2014

Practice location Address checks out

130 2nd St
Neenah, WI 54956-2883
Phone: (920) 735-7645
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1978 Industrial Blvd, Houma, LA 70363-7055 — (985) 873-2710

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 73751 (WI)

Record details

NPI number1881007656
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 9, 2014
Last updated in NPPESNovember 12, 2020
Certification dateNovember 12, 2020
Mailing address1978 Industrial Blvd, Houma, LA 70363-7055

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Thedacare, Incorporated — 654 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Neenah