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

Lars V Swanson, MD

Individual provider Internal Medicine Physician · NPI 1457346686

Lars V Swanson, MD is an Internal Medicine in Oshkosh, Wisconsin. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1999, 27 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
27
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
WI
In the registry since
2005
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

2700 W 9th Ave Ste 203
Oshkosh, WI 54904-7864
Phone: (920) 738-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 44250 (WI)

Record details

NPI number1457346686
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2005
Last updated in NPPESMarch 19, 2025
Certification dateMarch 19, 2025
Mailing address2700 W 9th Ave Ste 203, Oshkosh, WI 54904-7864

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1999 (27 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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