Summary

Dr. Claudia Guillen Lopez is an internal medicine physician who specializes in endocrinology, diabetes, and metabolism. She earned her medical degree from Universidad Autonoma De Baja California Facultad De Medicina Mexicali and has been practicing for nine years, focusing on comprehensive care for patients with complex metabolic conditions.

Dr. Guillen Lopez practices at Macneal Hospital and maintains office locations in Berwyn and Riverside, Illinois. Her clinical expertise includes treating patients with anemia from heavy bleeding, managing chronic pain conditions, and caring for individuals with cirrhosis. She provides comprehensive internal medicine services while specializing in the intricate management of diabetes and other endocrine disorders.

Overview based on verified provider data

Quick Facts

  • 9 years of experience
  • Universidad Autonoma De Baja California Facultad De Medicina Mexicali
  • 2 specialties
  • 2 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Female

Office Locations

Dr. Claudia Estefania Guillen Lopez has 3 locations

Macneal Hospital

3249 Oak Park AveBerwyn, IL 60402

Dr. Claudia Estefania Guillen Lopez

3722 Harlem Ave Ste LL34Riverside, IL 60546

Macneal Center For Internal Medicine

3722 Harlem Ave Ste LL34Riverside, IL 60546
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed1:00 pm - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Claudia Estefania Guillen LopezDr. Smit C Vasaiwala, MDDr. Ivo K Genev, MDDr. Robert Sean Dieter, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.5 
4.4 
9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Spanish, Polish, English
Berwyn , ILMaywood , ILMaywood , ILMaywood , IL
Med School: Universidad Autonoma De Baja California Facultad De Medicina Mexicali
Current Profile
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Insurance Plans Accepted by Dr. Claudia Estefania Guillen Lopez

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Claudia Estefania Guillen Lopez has the following 2 specialties

Specialty Expertise

Dr. Claudia Estefania Guillen Lopez has the following 2 areas of expertise

  • Endocrinology Diabetes & Metabolism
  • Endocrinology, Diabetes & Metabolism

Certifications, License, & Education

9 Years Experience

Dr. Claudia Estefania Guillen Lopez 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 2025.

Education & Training

Medical School

Graduated from Universidad Autonoma De Baja California Facultad De Medicina Mexicali in 2017.

NPI Number

Dr. Guillen Lopez's NPI number is 1881335073.

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Frequently Asked Questions

Is Dr. Claudia Estefania Guillen Lopez accepting new patients?
Dr. Claudia Estefania Guillen Lopez has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Claudia Estefania Guillen Lopez accept my insurance?
You can see the insurance plans that Dr. Claudia Estefania Guillen Lopez accepts on their Vitals profile.
How can I make an appointment with Dr. Claudia Estefania Guillen Lopez?
You can find contact information for Dr. Claudia Estefania Guillen Lopez here on Vitals.
Does Dr. Claudia Estefania Guillen Lopez accept virtual/telehealth appointments?
Dr. Claudia Estefania Guillen Lopez has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Claudia Estefania Guillen Lopez affiliated with?
Dr. Claudia Estefania Guillen Lopez is affiliated with Macneal Hospital.

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