San Francisco Nguyen, D.O.
NPI 1528448024 · Emergency Medicine Physician · Wahiawa, HI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
San Francisco Nguyen, D.O. is a Emergency Medicine Physician provider in Wahiawa, HI (NPI 1528448024).
Provider details
- NPI number
- 1528448024
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DOS-2053 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
765 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 | 317 | $179 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 240 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 91 | $124 |
| Critical Care, First 30-74 Minutes99291 | 83 | $220 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 34 | $76 |
Typical Medicare-allowed amounts for these services range $8–$220 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 69 | 68 |
| Cephalexin | 62 | 61 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 48 | 48 |
| Ciprofloxacin Hcl | 38 | 38 |
| Prednisone | 37 | 36 |
| Oxycodone Hcl | 28 | 28 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 27 | 27 |
Practice location
Mailing address
Additional practice locations (2)
- 888 S King StHonolulu, HI 96813-3097Phone: (808) 522-4000
- 3-3420 Kuhio HwyLihue, HI 96766-1042Phone: (808) 245-1100
Registry dates
- Enumerated
- 2015-06-01
- Last updated
- 2024-03-29
- Certified
- 2024-03-29
Frequently asked questions
- What is San Francisco Nguyen's NPI number?
- San Francisco Nguyen's National Provider Identifier (NPI) is 1528448024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is San Francisco Nguyen's specialty?
- San Francisco Nguyen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is San Francisco Nguyen located?
- San Francisco Nguyen's practice location on file with NPPES is 681 Leilehua Rd Bldgs 680, Wahiawa, HI 96786-9678.
- What is San Francisco Nguyen's phone number?
- The practice phone number listed in the NPPES registry for San Francisco Nguyen is (808) 656-1628.
- Does San Francisco Nguyen accept Medicare?
- San Francisco Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is San Francisco Nguyen's NPI active?
- Yes — San Francisco Nguyen's NPI (1528448024) is active in the NPPES registry as of the last update on 2024-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.