Summary

Dr. Derek Illastron specializes in internal medicine, bringing over two decades of expertise to adult healthcare. He earned his medical degree from Ross University School of Medicine and completed his residency at UMDNJ. With 21 years of experience treating complex medical conditions, Dr. Illastron has developed particular expertise in managing high blood pressure and related cardiovascular concerns. He is fluent in Chinese and Spanish, allowing him to serve diverse patient populations.

Dr. Illastron practices at Maui Memorial Medical Center and Kula Hospital, both located in Hawaii. His clinical focus includes treating hypertensive emergencies and managing both adult and pediatric hypertension. He frequently orders diagnostic tests such as complete blood counts and chemistry panels to monitor patient health. Patients have given Dr. Illastron an average rating of 4.4 out of 5, reflecting their confidence in his care and expertise.

Overview based on verified provider data

Quick Facts

  • 4.4
  • 21 years of experience
  • speaks Chinese, Spanish
  • Umdnj
  • 5 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 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. Derek Reyes Illastron has 2 locations

Maui Memorial Medical Center

221 Mahalani StWailuku, HI 96793

Kula Hospital

100 Keokea PlKula, HI 96790

Compare with Similar Doctors

Dr. Derek Reyes Illastron, MD
Dr. Matthew Brian Mcauliffe, MD
Dr. Alla Shilman, DO
Dr. Marcus Lewis Griffin, MD
Dr. Derek Reyes Illastron, MDDr. Matthew Brian Mcauliffe, MDDr. Alla Shilman, DODr. Marcus Lewis Griffin, MD
Internal MedicinePhysical Medicine & RehabilitationHospital MedicineInternal Medicine
Accepts New Patients Accepts New Patients
4.4 
3.7 
21 Years of Experience 15 Years of Experience 14 Years of Experience 35 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, Spanish Speaks English, Russian Speaks English, French, Tagalog
Wailuku , HIScottsdale , AZWailuku , HIKihei , HI
Med School: Ross University School Of Medicine Med School: Pennsylvania State University College Of Medicine Med School: A T Still University Kirksville College Of Osteopathic Medicine Med School: Wright State University Boonshoft School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Derek Reyes Illastron

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

Medical Specialties

Dr. Derek Reyes Illastron has the following specialty

Specialty Expertise

Dr. Derek Reyes Illastron has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

21 Years Experience

Dr. Derek Reyes Illastron holds an expired medical license in the state of Hawaii.

Medical License

Medical Doctor with an expired medical license in the state of Hawaii that expired in 2026.

Education & Training

Residency

Completed their residency at Umdnj.

Medical School

Graduated from Ross University School Of Medicine in 2005.

NPI Number

Dr. Illastron's NPI number is 1790949956.

Similar doctors

Frequently Asked Questions

What languages does Dr. Derek Illastron speak?
Dr. Derek Illastron speaks Chinese and Spanish.
Is Dr. Derek Illastron accepting new patients?
Dr. Derek Illastron 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. Derek Illastron?
You can find contact information for Dr. Derek Illastron here on Vitals.
Does Dr. Derek Illastron accept my insurance?
You can see the insurance plans that Dr. Derek Illastron accepts on their Vitals profile.
Where is Dr. Derek Illastron's office located?
Dr. Derek Illastron's office is located at 221 Mahalani St, Wailuku, HI, 96793.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.