Summary

Dr. Gerta Janss is a dermatologist who earned her medical degree from the University of Illinois College of Medicine. She completed her residency at the University of Illinois College of Medicine at Chicago in 1991, bringing 39 years of experience to her practice. Dr. Janss speaks Spanish in addition to English.

Dr. Janss practices at Northwestern Medicine Glenview Outpatient Center in Glenview, Illinois, and maintains hospital affiliations with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Patients have given her an average rating of 3.9 on Vitals, reflecting their experiences with her dermatological care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 39 years of experience
  • 8 insurance plans accepted
  • speaks Spanish
  • University of Illinois College of Medicine at Chicago
  • 16 written reviews
  • 1 specialty
  • 18 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

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

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Gerta S. Janss, MDDr. Sanminder Singh, MDDr. Anthony Janiga, MD, FAADRachel Sulfridge, APN
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
39 Years of Experience 39 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish Speaks English Speaks English Speaks English
Glenview , ILChicago , ILNaperville , ILNaperville , IL
Med School: University of Illinois College of Medicine Med School: University of California Davis School of Medicine Med School: Loyola University Of Chicago Stritch School Of Medicine
Current Profile
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Insurance Plans Accepted by Gerta S. Janss

  • Accepts Medicare
  • Accepts Medicaid
  • Blue Cross Blue Shield of Illinois
  • Humana
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • Physicians Mutual

Medical Specialties

Gerta S. Janss has the following specialty

Specialty Expertise

Gerta S. Janss has the following 18 areas of expertise

  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Actinic Keratosis
  • Atopic Dermatitis
  • Basal Cell
  • Cryosurgery
  • Eczema
  • Excision
  • Laser Hair Removal
  • Melanoma
  • Mole
  • Psoriasis
  • Psoriatic Arthritis
  • Rash
  • Rosacea
  • Sclerotherapy
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

39 Years Experience

Gerta S. Janss 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 at Chicago in 1991.

Medical School

Graduated from University of Illinois College of Medicine in 1987 and University of Illinois at Chicago College of Medicine in 1987.

NPI Number

Gerta S. Janss' NPI number is 1710953815.

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Frequently Asked Questions

What languages does Gerta Janss speak?
Gerta Janss speaks Spanish.
Which hospitals is Gerta Janss affiliated with?
Gerta Janss is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital.
Does Gerta Janss accept my insurance?
You can see the insurance plans that Gerta Janss accepts on their Vitals profile.
Is Gerta Janss accepting new patients?
Gerta Janss is accepting new patients on Vitals. View Gerta Janss's profile on Vitals to make an appointment.
How can I make an appointment with Gerta Janss?
You can find contact information for Gerta Janss here on Vitals.

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