Summary

Dr. Leon Fogelfeld is an endocrinologist who specializes in diabetes and metabolism disorders. He earned his medical degree from Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia in Italy and brings five decades of clinical experience to his practice. Dr. Fogelfeld speaks English and has dedicated his career to helping patients manage complex hormonal and metabolic conditions.

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 focuses on treating diabetes mellitus and Type 2 diabetes, including caring for children and teens with diabetes. His expertise includes performing glucose tests and A1c monitoring to help patients track their blood sugar control. Patients have given him 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
  • 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, MDBarbara Jean HoldsworthDr. Catherine Marie Sever, MDDr. Clifford Allen Walters
Endocrinology, Diabetes & MetabolismNurse PractitionerFamily MedicineEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients
3.7 
50 Years of Experience 36 Years of Experience 52 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English
Ventura , CAVentura , CAOxnard , CAOxnard , CA
Med School: Universita Degli Studi Di Milano Facolta Di Medicina E Chirurgia Med School: David Geffen School Of Medicine At Ucla Med School: Loma Linda University 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

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

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