Dr. Nicolas A. Villanueva
- Gender: Male
- Experience: 8 years
- Graduated from: University Of Hawaii John A. Burns School Of Medicine
- Graduation year: 2013
- Sole propriator: No
- NPI: 1346683463
Dr. Nicolas A. Villanueva
Hematology and Oncology Specialist
He is located at 321 North Kuakini Street Suite 412 in Honolulu, HI 96817. Can help patients with the following: Deep Vein Thrombosis (DVT), Hemophilia, Neutropenia, Non-Hodgkin's Lymphoma (NHL), Pulmonary Embolism (PE), Thalassemia. His National Provider Identifier (NPI) number is 1346683463. Appointment can be made via the phone number (808) 531-8521. He is affiliated with 2 hospitals.
Conditions treated
Dr. Nicolas Alan Villanueva, being an hematology and oncology specialist, 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. Nicolas A. Villanueva.
- Anemia
- Beta Thalassemia
- Bone Cancer
- Cancer
- Deep Vein Thrombosis (DVT)
- Heart Disease
- Hemophilia
- Hodgkin's Disease
- Idiopathic Thrombocytopenic Purpura (ITP)
- Leukemia
- Multiple Myeloma
- Neutropenia
- Non-Hodgkin's Lymphoma (NHL)
- Pernicious Anemia
- Polycythemia
- Pulmonary Embolism (PE)
- Sickle Cell Anemia
- Thalassemia
- Thrombocytopenia
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Nicolas A. Villanueva 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 | Accepting new patients |
| HMSA Bronze PPO II HSA | PPO · Expanded Bronze | Preferred Provider Plan | Accepting new patients |
| HMSA Catastrophic Plan | PPO · Catastrophic | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO I | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO II | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Platinum PPO | PPO · Platinum | Preferred Provider Plan | Accepting new patients |
| HMSA Silver PPO | PPO · Silver | Preferred Provider Plan | 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. Nicolas A. Villanueva 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. Nicolas A. Villanueva is enrolled to bill Medicare as a Practitioner - Hematology/oncology .
Bills through: The Queens Medical Center
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.
Studies
UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE
Graduated in 2013Additional Specialities
- Resident
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- Gender: Male
- Address: Suite 412 321 North Kuakini Street Honolulu, 96817, HI
- Gender: Male
- Address: Suite 412 321 North Kuakini Street Honolulu, 96817, HI
- Gender: Male
- Address: 1329 Lusitana Street Suite 307 Honolulu, 96813, HI
Questions & Answers
Does Dr. Nicolas Alan Villanueva accept insurance?
Dr. Nicolas Alan Villanueva is listed in-network for 7 ACA Marketplace (Obamacare/HealthCare.gov) plans from HMSA. See the Marketplace plans section for details.
Where can you meet with Dr. Nicolas Alan Villanueva?
Dr. Nicolas Alan Villanueva's office is located at 321 North Kuakini Street Suite 412 in Honolulu, HI 96817.
Has Dr. Nicolas Alan Villanueva affiliation with hospitals?
Dr. Nicolas Alan Villanueva is affiliated with THE QUEENS MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Nicolas Alan Villanueva treat?
Dr. Nicolas Alan Villanueva provides treatment for Deep Vein Thrombosis (DVT), Hemophilia, Neutropenia, Non-Hodgkin's Lymphoma (NHL), Pulmonary Embolism (PE), Thalassemia. For the full list see this list.