Dr. Owen K. Nishikawa
- Gender: Male
- Experience: 22 years
- Graduated from: University Of Hawaii John A. Burns School Of Medicine
- Graduation year: 1999
- Sole propriator: No
- NPI: 1053471797
Dr. Owen K. Nishikawa MD
Family Physician
He is located at 321 North Kuakini Street Suite 304 in Honolulu, HI 96817. Can help patients with the following: Aging In Place, Chronic Obstructive Pulmonary Disease (COPD), General Care, Osteoarthritis (OA), Pregnancy, Women's Health. His National Provider Identifier (NPI) number is 1053471797. Appointment can be made via the phone number (808) 536-5383. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Owen Koh Nishikawa, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Owen K. Nishikawa.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
Procedures Performed by Dr. Owen K. Nishikawa
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Owen K. Nishikawa as in-network for the following 2026 plans.
Health plans
HMSA
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 7 plans from HMSA
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HMSA Bronze PPO I | PPO · Expanded Bronze | Preferred Provider Plan | Not accepting new patients |
| HMSA Bronze PPO II HSA | PPO · Expanded Bronze | Preferred Provider Plan | Not accepting new patients |
| HMSA Catastrophic Plan | PPO · Catastrophic | Preferred Provider Plan | Not accepting new patients |
| HMSA Gold PPO I | PPO · Gold | Preferred Provider Plan | Not accepting new patients |
| HMSA Gold PPO II | PPO · Gold | Preferred Provider Plan | Not accepting new patients |
| HMSA Platinum PPO | PPO · Platinum | Preferred Provider Plan | Not accepting new patients |
| HMSA Silver PPO | PPO · Silver | Preferred Provider Plan | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Owen K. Nishikawa is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Owen K. Nishikawa is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: Owen K Nishikawa Md Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $1004 |
| Amgen | $617 |
| Boehringer Ingelheim | $422 |
Other
| Food and Beverage | $5292 |
Studies
UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE
Graduated in 1999
Looking for more Family Physicians?
Out of the 20 family physicians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 1027 Hala Drive Honolulu, 96817, HI
- Gender: Male
- Address: Suite 310 321 North Kuakini Street Honolulu, 96817, HI
- Gender: Female
- Address: 632 Broadway Ph New York, 10012, NY
- Gender: Male
- Address: 480 Central Avenue Pearl Harbor, 96860, HI
- Gender: Male
- Address: Suite 207 1744 Liliha Street Honolulu, 96817, HI
- Gender: Male
- Address: HPM-9 347 North Kuakini Street Honolulu, 96817, HI
- Gender: Male
- Address: Suite 304 1712 Liliha Street Honolulu, 96817, HI
- Gender: Female
- Address: HPM 9 347 North Kuakini Street Honolulu, 96817, HI
- Gender: Female
- Address: Suite 308 2226 Liliha Street Honolulu, 96817, HI
Questions & Answers
Does Dr. Owen Koh Nishikawa have affiliation with practices?
Dr. Owen Koh Nishikawa is affiliated with Owen K Nishikawa MD.
What conditions does Dr. Owen Koh Nishikawa treat?
Dr. Owen Koh Nishikawa provides treatment for Aging In Place, Chronic Obstructive Pulmonary Disease (COPD), General Care, Osteoarthritis (OA), Pregnancy, Women's Health. For the full list see this list.
Does Dr. Owen Koh Nishikawa accept patients with HMSA?
Yes, Dr. Owen Koh Nishikawa is listed in-network for HMSA through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Owen Koh Nishikawa affiliation with hospitals?
Dr. Owen Koh Nishikawa is affiliated with PALI MOMI MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Owen Koh Nishikawa?
Dr. Owen Koh Nishikawa's office is located at 321 North Kuakini Street Suite 304 in Honolulu, HI 96817.