Steven Nguyen, MD
NPI 1588152490 · Radiation Oncology Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Nguyen, MD is a Radiation Oncology Physician provider in Wailuku, HI (NPI 1588152490).
Provider details
- NPI number
- 1588152490
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01083338A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
459 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 180 | $130 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 179 | $401 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 36 | $193 |
| Continuing Radiation Therapy Consultation Per Week77336 | 28 | $99 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 20 | $31 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-26
- Last updated
- 2024-08-05
- Certified
- 2024-08-05
Frequently asked questions
- What is Steven Nguyen's NPI number?
- Steven Nguyen's National Provider Identifier (NPI) is 1588152490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Nguyen's specialty?
- Steven Nguyen is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Nguyen located?
- Steven Nguyen's practice location on file with NPPES is 227 Mahalani St, Wailuku, HI 96793-2526.
- What is Steven Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Steven Nguyen is (808) 249-1600.
- Does Steven Nguyen accept Medicare?
- Steven Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Nguyen's NPI active?
- Yes — Steven Nguyen's NPI (1588152490) is active in the NPPES registry as of the last update on 2024-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.