Summary

Dr. Robert Heymann has practiced endocrinology, diabetes and metabolism, and internal medicine for 27 years and is affiliated with Kaiser Foundation Hospital. He sees patients in Fontana, California. Dr. Heymann earned his medical degree from the University of California Irvine College of Medicine. Patients on Vitals rate Dr. Heymann 5 out of 5.

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
  • 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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Dr. Robert Sigmar Heymann, MDDr. Emily Clark King, MDBahareh MaknouniJustin Calvert
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismCritical Care MedicineAnesthesiology
Accepts New Patients
5 
0 
0 
0 
27 Years of Experience 14 Years of Experience 7 Years of Experience 10 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
Fontana , CASan Dimas , CAColton , CALoma Linda , CA
Med School: University Of California Irvine College Of Medicine Med School: University of California San Francisco School of Medicine Med School: St Georges University School Of Medicine Med School: Loma Linda 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

Where is Dr. Robert Heymann's office located?
Dr. Robert Heymann's office is located at 9961 Sierra Ave, Fontana, CA, 92335.
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.
Does Dr. Robert Heymann accept virtual/telehealth appointments?
Dr. Robert Heymann has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Robert Heymann speak?
Dr. Robert Heymann speaks English.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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