Derek Nakayama, M.D.
NPI 1548528904 · Student in an Organized Health Care Education/Training Program · Honolulu, HI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Nakayama, M.D. is a Student in an Organized Health Care Education/Training Program provider in Honolulu, HI (NPI 1548528904).
Provider details
- NPI number
- 1548528904
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
187 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 81 | $167 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 61 | $117 |
| Critical Care, First 30-74 Minutes99291 | 27 | $206 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 18 | $69 |
Typical Medicare-allowed amounts for these services range $69–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 43 | 43 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 42 | 41 |
| Cephalexin | 28 | 27 |
| Doxycycline Hyclate | 28 | 28 |
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
| Prednisone | 22 | 22 |
| Azithromycin | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-24
- Last updated
- 2012-04-24
Frequently asked questions
- What is Derek Nakayama's NPI number?
- Derek Nakayama's National Provider Identifier (NPI) is 1548528904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Nakayama's specialty?
- Derek Nakayama is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Derek Nakayama located?
- Derek Nakayama's practice location on file with NPPES is 2396 Palolo Ave, Honolulu, HI 96816-3133.
- What is Derek Nakayama's phone number?
- The practice phone number listed in the NPPES registry for Derek Nakayama is (808) 737-6675.
- Does Derek Nakayama accept Medicare?
- Derek Nakayama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Nakayama's NPI active?
- Yes — Derek Nakayama's NPI (1548528904) is active in the NPPES registry as of the last update on 2012-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.