Summary

Dr. James Grossweiner is a dermatologist who earned his medical degree from Chicago Medical School at Rosalind Franklin University-Medicine & Sciences and completed his residency at University of Illinois College of Medicine. With four decades of experience in dermatology, he brings extensive knowledge to the diagnosis and treatment of skin conditions. He is fluent in both English and Spanish.

Dr. Grossweiner practices at Northwestern Medicine Delnor Hospital and maintains offices in Naperville and Geneva, Illinois. He specializes in treating skin cancer, managing skin changes that occur during pregnancy, and addressing seborrheic keratosis. His clinical expertise includes performing skin biopsies and genital skin biopsies when diagnostic testing is needed. Patients have given him an average rating of 4.5 out of 5 stars on Vitals.

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 board certification
  • 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

Compare with Similar Doctors

Dr. James Benjamin Grossweiner, MD
Dr. Jeffrey T.S. Hsu, MD, FAAD
Christina L Dimitropoulos, NPC
Dr. Nour Al-Hadidi, MD, FAAD
Dr. James Benjamin Grossweiner, MDDr. Jeffrey T.S. Hsu, MD, FAADChristina L Dimitropoulos, NPCDr. Nour Al-Hadidi, MD, FAAD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
3.7 
41 Years of Experience 20 Years of Experience 11 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Chinese, English Speaks English Speaks English
Naperville , ILNaperville , ILVILLA PARK , ILITASCA , IL
Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: The University of California at Los Angeles, Top Honors Med School: University Of Michigan Medical School
Current Profile
View Profile View Profile View Profile

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 active medical license in the state of Illinois.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires 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.

Similar doctors

Frequently Asked Questions

Which hospitals is Dr. James Grossweiner affiliated with?
Dr. James Grossweiner is affiliated with Northwestern Medicine Delnor Hospital.
Where is Dr. James Grossweiner's office located?
Dr. James Grossweiner's office is located at 1220 Hobson Rd Ste 116, Naperville, IL, 60540.
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.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.