Summary

Dr. Robert Heymann specializes in endocrinology, diabetes, and metabolism, with additional expertise in 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 speaks English.

Dr. Heymann practices at Kaiser Foundation Hospital in Fontana, California. His extensive experience in endocrinology allows him to help patients manage complex hormonal conditions and diabetes care. He maintains an excellent patient rating of 5.0 on Vitals, reflecting his commitment to quality patient care.

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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Dr. Robert Sigmar Heymann, MDDr. Erin Katrina RickettsDr. Penny Lee Kimball- Jones, MDDr. Neil Hemant Joshi
Endocrinology, Diabetes & MetabolismPublic Health & General Preventive MedicineAnesthesiologyDiagnostic Radiology
27 Years of Experience 8 Years of Experience 41 Years of Experience 6 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Fontana , CASan Diego , CABloomington , CALoma Linda , CA
Med School: University Of California Irvine College Of Medicine Med School: Tulane University School Of Medicine Med School: Loma Linda 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

Does Dr. Robert Heymann accept my insurance?
You can see the insurance plans that Dr. Robert Heymann accepts on their Vitals profile.
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.
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.
How can I make an appointment with Dr. Robert Heymann?
You can find contact information for Dr. Robert Heymann here on Vitals.
Which hospitals is Dr. Robert Heymann affiliated with?
Dr. Robert Heymann is affiliated with Kaiser Foundation Hospital.

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