Hao Nguyen, D.O.
NPI 1215294731 · Student in an Organized Health Care Education/Training Program · San Diego, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hao Nguyen, D.O. is a Student in an Organized Health Care Education/Training Program provider in San Diego, CA (NPI 1215294731).
Provider details
- NPI number
- 1215294731
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- D.O.
- 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
42 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 42 | $80 |
Typical Medicare-allowed amounts for these services range $80–$80 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 57 | 38 |
| Cefpodoxime Proxetil | 43 | 43 |
| Potassium Chloride | 32 | 23 |
| Metoprolol Tartrate | 30 | 22 |
| Prednisone | 23 | 21 |
| Lisinopril | 22 | 15 |
| Amlodipine Besylate | 18 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-20
- Last updated
- 2021-12-02
Frequently asked questions
- What is Hao Nguyen's NPI number?
- Hao Nguyen's National Provider Identifier (NPI) is 1215294731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hao Nguyen's specialty?
- Hao Nguyen 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 Hao Nguyen located?
- Hao Nguyen's practice location on file with NPPES is 4077 Fifth Ave # Mer35, San Diego, CA 92103-2105.
- What is Hao Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hao Nguyen is (619) 260-7220.
- Does Hao Nguyen accept Medicare?
- Hao Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hao Nguyen's NPI active?
- Yes — Hao Nguyen's NPI (1215294731) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.