Summary

Dr. James Grossweiner treats skin cancer, skin changes during pregnancy, and seborrheic keratosis, and performs genital skin biopsy, skin biopsy, and cryotherapy for skin lesions. He has practiced dermatology for 41 years and is affiliated with Northwestern Medicine Delnor Hospital.

Dr. Grossweiner earned his medical degree from Chicago Medical School at Rosalind Franklin University of Medicine and Sciences and completed his residency at the University of Illinois College of Medicine. He sees patients in Naperville and Geneva, Illinois, and speaks English and Spanish. Patients on Vitals rate Dr. Grossweiner 4.45 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 41 years of experience
  • 10 insurance plans accepted
  • speaks English, Spanish
  • University Of Illinois College Of Medicine
  • 3 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. James Benjamin Grossweiner has 5 locations

Grossweiner And Blaszak Pc

1220 Hobson Rd Ste 116Naperville, IL 60540
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

Edward Heart Hospital

801 S Washington StNaperville, IL 60540

Grossweiner And Blaszak Pc

2172 Blackberry Dr Ste 206Geneva, IL 60134
Mon8:00 am - 5:00 pm
Tue7:30 am - 5:30 pm
Wed11:00 am - 6:00 pm
Thu7:00 am - 12:30 pm
Fri8:00 am - 11:00 am
SatClosed
SunClosed

Edward Elmhurst Health

1220 Hobson RdNaperville, IL 60540
Mon6:30 am - 5:00 pm
Tue6:30 am - 5:00 pm
Wed6:30 am - 5:00 pm
Thu6:30 am - 5:00 pm
Fri6:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. James Benjamin Grossweiner, MDDr. Anthony Janiga, MD, FAADDr. Vinaya Soundararajan, MDChristina L Dimitropoulos, NPC
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4 
0 
0 
41 Years of Experience 39 Years of Experience 7 Years of Experience 20 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English
Naperville , ILNaperville , ILLa Grange , ILVilla Park , IL
Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. James Benjamin Grossweiner

  • AARP
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • Humana
  • Meritain Health
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • UnitedHealthcare

Medical Specialties

Dr. James Benjamin Grossweiner has the following specialty

Specialty Expertise

Dr. James Benjamin Grossweiner has the following 12 areas of expertise

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

Certifications, License, & Education

41 Years Experience

Dr. James Benjamin Grossweiner holds an expired medical license in the state of Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Residency

Completed their residency at University Of Illinois College Of Medicine.

Medical School

Graduated from Chicago Medical School At Rosalind Franklin University-Medicine & Sciences in 1985.

NPI Number

Dr. Grossweiner's NPI number is 1437114907.

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Frequently Asked Questions

What languages does Dr. James Grossweiner speak?
Dr. James Grossweiner speaks English and Spanish.
Does Dr. James Grossweiner accept my insurance?
You can see the insurance plans that Dr. James Grossweiner accepts on their Vitals profile.
Does Dr. James Grossweiner accept virtual/telehealth appointments?
Dr. James Grossweiner has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. James Grossweiner accepting new patients?
Dr. James Grossweiner is accepting new patients on Vitals. View Dr. James Grossweiner's profile on Vitals to make an appointment.
How can I make an appointment with Dr. James Grossweiner?
You can find contact information for Dr. James Grossweiner here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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