Summary

Dr. Takahiro Otsuka is an endocrinologist who specializes in diabetes and metabolism disorders. He earned his medical degree from the University of Yamanashi Faculty of Medicine and completed his residency at Mount Sinai Beth Israel. With nearly four decades of medical practice, Dr. Otsuka brings extensive expertise to the management of complex endocrine conditions. He is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Otsuka practices at Troesh Medical Center and is affiliated with Loma Linda University Children's Hospital in Loma Linda, California. His clinical focus includes treating Type 2 diabetes in both adults and young patients, as well as managing serious complications like dangerously high blood sugar emergencies. He utilizes advanced monitoring techniques such as continuous glucose monitoring and performs comprehensive blood testing to track patient progress. Patients have given Dr. Otsuka an average rating of 3.5 out of 5 stars for his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.5
  • 39 years of experience
  • speaks English, Spanish
  • Mount Sinai Beth Israel
  • 24 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Takahiro Otsuka has 2 locations

Troesh Medical Center

11234 Anderson StLoma Linda, CA 92350

Loma Linda Physicians Medical Group

11370 Anderson StLoma Linda, CA 92354
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. Takahiro Otsuka, MDDr. Ramin Robert Moghaddas, MDDr. Hsiang-Shien Shien Chen, MDDr. Samuel Norman Cherny, MD
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
3.5 
3.4 
3.9 
39 Years of Experience 34 Years of Experience 59 Years of Experience 56 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks Chinese, English, Spanish Speaks English
Loma Linda , CAFontana , CAChino , CASan Bernardino , CA
Med School: University Of Yamanashi Faculty Of Medicine Med School: Umea Universitet Medicinska Fakulteten Med School: Johns Hopkins University School Of Medicine Med School: Suny Downstate Medical Center College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Takahiro Otsuka

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Takahiro Otsuka has the following specialty

Specialty Expertise

Dr. Takahiro Otsuka has the following 13 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Epilepsy
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism

Certifications, License, & Education

39 Years Experience

Dr. Takahiro Otsuka 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

Residency

Completed their residency at Mount Sinai Beth Israel.

Medical School

Graduated from University Of Yamanashi Faculty Of Medicine in 1987.

NPI Number

Dr. Otsuka's NPI number is 1790895803.

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Frequently Asked Questions

Which hospitals is Dr. Takahiro Otsuka affiliated with?
Dr. Takahiro Otsuka is affiliated with Troesh Medical Center and Loma Linda University Childrens Hospital.
What languages does Dr. Takahiro Otsuka speak?
Dr. Takahiro Otsuka speaks English and Spanish.
Does Dr. Takahiro Otsuka accept my insurance?
You can see the insurance plans that Dr. Takahiro Otsuka accepts on their Vitals profile.
How can I make an appointment with Dr. Takahiro Otsuka?
You can find contact information for Dr. Takahiro Otsuka here on Vitals.
Does Dr. Takahiro Otsuka accept virtual/telehealth appointments?
Dr. Takahiro Otsuka has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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