Dr. Tony Kastoon, MD

Dr. Tony Kastoon, MD

Endocrinology, Diabetes & Metabolism  ·  
Male  ·  
42 y/o

Accepting new patients

Dr. Tony Kastoon, MD is an endocrinology, diabetes & metabolism specialist in San Bernardino, CA. He specializes in endocrinology, diabetes & metabolism and internal medicine.

399 E Highland Ave Ste 427

San Bernardino, CA 92404
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Insurance Accepted

  • Aetna
  • Assurant Health
  • Blue Cross Blue Shield
  • Cigna
  • Health Net
  • Humana
  • Medicaid
  • MultiPlan
  • Principal Financial Group
  • UnitedHealthCare
  • Universal Health Network

Learn about Dr. Kastoon

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Kastoon performs your care needs compared to other doctors.

Diabetes Type 2
very high
more than 99% of peers
Thyroid Disease
very high
more than 98% of peers
Diabetes With Renal Manifestations
very high
more than 97% of peers

Dr. Kastoon's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Care Philosophy

This content was provided by Dr. Kastoon "It is my goal to provide great care to my patients by utilizing my expertise in Endocrinology."

2  Specialties

  • Endocrinology, Diabetes & Metabolism
  • Internal Medicine

2  Board Certifications

  • Diabetes, Metabolism & Endocrinology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

49  Conditions Treated


Read Less

3  Procedures

  • Biopsy
  • Thyroid Fine Needle Aspiration Biopsy
  • Ultrasound, Thyroid

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University of Damascus / Faculty of Medicine
    Medical School | Graduated
  • Wayne St U/Sinai Grace Hosp
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Kastoon has no media or publications listed.

Languages Spoken

  • English
  • Arabic

Memberships & Professional Affiliations

Dr. Kastoon does not have any memberships or affiliations listed. If you are Dr. Kastoon and would like to add memberships or affiliations, please update your profile.

Dr. Kastoon's Reviews

Likelihood of recommending Dr. Kastoon to family and friends
10 total reviews (3 have comments)

Likelihood to Recommend (10)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Kastoon's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes

Patient Comments (3)

Doctor Kastoon is a excellent Doctor. He's very caring and doesn't treat you like just another number. He listens to you and won't give up till you feel better. He is the best Doctor I've ever had. He cares about you!!!
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I really like Dr Kastoon, he's been my doctor for a year and a half now. He listens carefully to you, working with your concerns, answers your questions without an attitude that many doctors have when you ask them questions, and he remembers you even after months between appointments! He's a great,...more
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Dr kastoon is a great doctor no complaints here..
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