- Addiction Psychiatrists
- HI
- Honolulu, HI
- Dr. Chad Koyanagi, MD
Dr. Chad Koyanagi, MD
Addiction Psychiatry•Male•Age 53
Addiction Psychiatry
Dr. Chad Koyanagi, MD is an Addiction Psychiatry Specialist in Honolulu, HI and has over 28 years of experience in the medical field. He graduated from University of Hawaii At Manoa in 1995. He is affiliated with Adventist Health Castle. His office is not accepting new patients.

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Experience and Background Checks
Background Check
Dr. Koyanagi's conditions and procedures:
- Abdominal Pain
- Acidosis
- Acute Kidney Failure
- ADHD and-or ADD
- Alcohol Withdrawal
- All Headaches (incl. Migraine)
- Anxiety
- Asthma
- Back Pain
- Bedsores
- Bell's Palsy
- Bruise of Face, Scalp, or Neck
- Cerebrovascular Disease
- Chest Pain
- Constipation
- COPD (Chronic Obstructive Pulmonary Disease)
- Dehydration
- Diabetes Type 1
- Diabetes Type 2
- Diabetes With Renal Manifestations
- Diabetic Ketoacidosis
- Diarrhea
- Dizziness
- Drug Withdrawal
- Dyslipidemia
- Dysphagia
- Epilepsy
- Gastroesophageal Reflux Disease (GERD)
- Headache
- Heart Attack (Acute Myocardial Infarction)
- Hiatal Hernia
- Hyperlipidemia
- Hypertension
- Hypertensive Chronic Kidney Disease
- Hypokalemia
- Hyposmolality and Hyponatremia
- Limb Pain
- Limb Swelling Caused by Fluid Overload
- Liver Function Test
- Low Back Pain
- Malaise and Fatigue
- Migraine
- Nausea
- Pregnancy Test
- Priapism
- Seizure Disorders
- Sepsis
- Tobacco Use Disorder
- Urinary Tract Infection (UTI)
- Vitamin B Deficiency
Insurance Check
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Dr. Koyanagi accepts
Accepted insurance can change. Please double-check when making an appointment.
Dr. Koyanagi accepts the following insurance:
- Aetna
- Choice Plus POS II
- Anthem
- National (BlueCard) PPO
- Blue Cross Blue Shield
- Blue Card PPO
- CareFirst Blue Cross Blue Shield
- HealthyBlue 2.0
- HealthyBlue Advantage
- Cigna
- Cigna PPO
- LocalPlus
- Open Access Plus
Dr. Koyanagi's Reviews
Likelihood to recommend Dr. Koyanagi
3.0
Based on 4 ratings
5 Star | 50% | 50% |
4 Star | 0% | 0% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 50% | 50% |
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Claim your profileOverall Patient Satisfaction
Likelihood of recommending Dr. Koyanagi to family and friends is 3 out of 5
About Me
Biography
Specialties
- Addiction Psychiatry
Board Certifications
- Psychiatry
Education
Awards
- Healthgrades Honor Roll
Frequently Asked Questions
What is the best way to schedule an appointment with Dr. Chad Koyanagi, MD?
Find contact information here to make an appointment.
Does Dr. Chad Koyanagi, MD accept any insurance plans?
A list of accepted insurance providers is available on the Healthgrades insurance check. It is always a good idea to verify your insurance when making an appointment.
What conditions does Dr. Chad Koyanagi, MD treat?
Dr. Koyanagi frequently treats the following conditions: Abdominal Pain, Acidosis, and Acute Kidney Failure. See more on Healthgrades.
What is Dr. Chad Koyanagi, MD's office address?
Dr. Koyanagi's office is located at 401 Kamakee St Ste 409, Honolulu, HI 96814. You can find other locations and directions on Healthgrades.
Is Dr. Chad Koyanagi, MD affiliated with any hospitals?
Dr. Chad Koyanagi, MD is affiliated with Adventist Health Castle.
Is Dr. Chad Koyanagi, MD a board-certified professional?
Yes, Dr. Chad Koyanagi, MD holds board certifications in Psychiatry.
How much experience does Dr. Chad Koyanagi, MD have?
Dr. Koyanagi has over 27 years of healthcare experience.
Locations
Practice
Affiliated Hospitals
Dr. Koyanagi is affiliated with the following hospital. Select the hospital below to learn more.
Learn more about how Healthgrades measuresHospital Quality.81% Patients that would definitely recommend, 11% higher than the national average
4 Awards Received
Award Highlight: Outstanding Patient Experience Award™ (2022)
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