Summary

Dr. David Nelsen is a dermatologist who completed his medical education at the University of Minnesota Medical School and finished his residency at Hennepin County Medical Center Program. With 17 years of experience in dermatology, he brings extensive knowledge to the diagnosis and treatment of skin conditions. Dr. Nelsen communicates with patients in English.

Dr. Nelsen practices at Mercyhealth Hospital and Trauma Center Janesville and sees patients at locations in Janesville, Wisconsin, Woodstock, Illinois, and Rockford, Illinois. He specializes in treating skin conditions such as moles, atypical moles, and eczema. His expertise includes performing specialized testing procedures and tissue examinations to ensure accurate diagnoses. Patients have given him an average rating of 4.9 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 17 years of experience
  • 30 insurance plans accepted
  • speaks English
  • Hennepin County Medical Center Program
  • 24 written reviews
  • 1 award
  • 1 specialty
  • 12 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Locations

David D. Nelsen has 3 locations

Mercyhealth East

3524 E. Milwaukee St.Janesville, WI 53546
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Mercyhealth Woodstock

2000 Lake Ave.Woodstock, IL 60098
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
SatClosed
SunClosed

Mercyhealth Perryville

3401 N. Perryville Rd.Rockford, IL 61114
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 12:00 pm
SunClosed

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David D. Nelsen, MDDr. Anna Chacon, MDDr. Mohiba Tareen, MDDr. Ryan Holzwarth, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.4 
4.2 
17 Years of Experience 14 Years of Experience 21 Years of Experience 24 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Spanish Speaks English Speaks English
Janesville , WIMiami , FLFaribault , MNMaplewood , MN
Med School: University of Minnesota Med School Med School: Brown Medical School Med School: University Of Michigan Medical School Med School: University Of North Dakota School Of Medicine & Health Sciences
Current Profile
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Insurance Plans Accepted by David D. Nelsen

  • Aetna
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • Allegiance Life and Health
  • Anthem Blue Cross
  • Arise Health Plan
  • Blue Cross Blue Shield of Minnesota
  • Blue Shield of California
  • CHAMPVA
  • Cigna
  • Family Health Network
  • Humana
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Physicians Mutual
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • WPS Health Plan
  • WPS Health Plan - Medicare
  • Zing Health

Medical Specialties

David D. Nelsen has the following specialty

Specialty Expertise

David D. Nelsen has the following 12 areas of expertise

  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Actinic Keratosis
  • Basal Cell
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

17 Years Experience

David D. Nelsen holds expired and active medical licenses in the states of Illinois and Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026 and an active medical license in the state of Wisconsin that expires in 2027.

Education & Training

Residency

Completed their residency at Hennepin County Medical Center Program.

Medical School

Graduated from University of Minnesota Med School in 2009.

NPI Number

David D. Nelsen's NPI number is 1417184169.

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Frequently Asked Questions

How can I make an appointment with David Nelsen?
You can find contact information for David Nelsen here on Vitals.
Does David Nelsen accept my insurance?
You can see the insurance plans that David Nelsen accepts on their Vitals profile.
Which hospitals is David Nelsen affiliated with?
David Nelsen is affiliated with Mercyhealth Hospital And Trauma Center Janesville.
Where is David Nelsen's office located?
David Nelsen's office is located at 3524 E. Milwaukee St., Janesville, WI, 53546.
Does David Nelsen accept virtual/telehealth appointments?
David Nelsen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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