Summary

Dr. Robert Heymann is a board-certified physician specializing in endocrinology, diabetes and metabolism, as well as internal medicine. He earned his medical degree from the University of California Irvine College of Medicine and has been practicing for 27 years. Dr. Heymann provides care in English.

Dr. Heymann is affiliated with Kaiser Foundation Hospital and practices at locations in Fontana, California. His expertise focuses on helping patients manage complex hormonal disorders and metabolic conditions. Patients consistently rate him highly, giving him an average score of 5.0 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 5
  • 27 years of experience
  • 3 insurance plans accepted
  • speaks English
  • University Of California Irvine College Of Medicine
  • 1 written review
  • 2 specialties
  • 16 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Robert Sigmar Heymann has 2 locations

Kaiser Foundation Hospital

9961 Sierra AveFontana, CA 92335

Kaiser Permanente

9985 Sierra AveFontana, CA 92335

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Endocrinology, Diabetes & MetabolismPediatricsEmergency MedicineInfectious Disease
27 Years of Experience 43 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Fontana , CALoma Linda , CACLAREMONT , CALoma Linda , CA
Med School: University Of California Irvine College Of Medicine Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine Med School: Oregon Health & Science University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Robert Sigmar Heymann

  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan - HMO

Medical Specialties

Dr. Robert Sigmar Heymann has the following 2 specialties

Specialty Expertise

Dr. Robert Sigmar Heymann has the following 16 areas of expertise

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

Certifications, License, & Education

27 Years Experience

Education & Training

Medical School

Graduated from University Of California Irvine College Of Medicine in 1999.

NPI Number

Dr. Heymann's NPI number is 1114094026.

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Frequently Asked Questions

Is Dr. Robert Heymann accepting new patients?
Dr. Robert Heymann has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Robert Heymann accept my insurance?
You can see the insurance plans that Dr. Robert Heymann accepts on their Vitals profile.
How can I make an appointment with Dr. Robert Heymann?
You can find contact information for Dr. Robert Heymann here on Vitals.
What languages does Dr. Robert Heymann speak?
Dr. Robert Heymann speaks English.
Which hospitals is Dr. Robert Heymann affiliated with?
Dr. Robert Heymann is affiliated with Kaiser Foundation Hospital.

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