Summary

Dr. Leon Fogelfeld specializes in endocrinology with a focus on diabetes and metabolism. He earned his medical degree from Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia in Italy and brings five decades of experience to his practice. Dr. Fogelfeld provides care in English for patients with various endocrine disorders.

Dr. Fogelfeld practices at multiple locations including Ventura, California and Chicago, Illinois, with affiliations at Rush University Medical Center and John H Stroger Jr Hospital Of Cook County. He treats patients with Type 2 diabetes and diabetes in children and teens. His practice includes performing thyroid hormone tests and comprehensive metabolic panels to help diagnose and monitor endocrine conditions. Patients have given Dr. Fogelfeld an average rating of 3.7 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.7
  • 50 years of experience
  • speaks English
  • Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia
  • 1 specialty
  • 16 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Provided follow-up after the visit

Office Locations

Dr. Leon Arie Fogelfeld has 3 locations

Ventura County Medical Center

300 Hillmont AveVentura, CA 93003

Consultants in Endocrinology

1725 W Harrison St Ste 250Chicago, IL 60612

Conejo Valley Family Medical Group

125 W Thousand Oaks Blvd Ste 300Thousand Oaks, CA 91360
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

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Dr. Leon Arie Fogelfeld, MD
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Dr. Leon Arie Fogelfeld, MDDr. Leonid Alexander Katz, MDDr. Teresa Tseng, MDDr. Naomi Das Neufeld, MD
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
50 Years of Experience 26 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish
Ventura , CAThousand Oaks , CAThousand Oaks , CAWest Hollywood , CA
Med School: Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia Med School: University of California at Davis Med School: University Of California Davis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Leon Arie Fogelfeld

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

Medical Specialties

Dr. Leon Arie Fogelfeld has the following specialty

Specialty Expertise

Dr. Leon Arie Fogelfeld has the following 16 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cancer
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Endocrinology
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Thyroid Cancer
  • Thyroid Diseases

Certifications, License, & Education

50 Years Experience

Dr. Leon Arie Fogelfeld holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia in 1976.

NPI Number

Dr. Fogelfeld's NPI number is 1699732305.

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Frequently Asked Questions

Which hospitals is Dr. Leon Fogelfeld affiliated with?
Dr. Leon Fogelfeld is affiliated with Rush University Medical Center, John H Stroger Jr Hospital Of Cook County, Ventura County Medical Center, and Provident Hospital Of Cook County.
Where is Dr. Leon Fogelfeld's office located?
Dr. Leon Fogelfeld's office is located at 300 Hillmont Ave, Ventura, CA, 93003.
How can I make an appointment with Dr. Leon Fogelfeld?
You can find contact information for Dr. Leon Fogelfeld here on Vitals.
What languages does Dr. Leon Fogelfeld speak?
Dr. Leon Fogelfeld speaks English.
Does Dr. Leon Fogelfeld accept my insurance?
You can see the insurance plans that Dr. Leon Fogelfeld accepts on their Vitals profile.

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