Hoang Nguyen, M.D.
NPI 1811164528 · Interventional Cardiology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoang Nguyen, M.D. is a Interventional Cardiology Physician provider in Fountain Valley, CA (NPI 1811164528).
Provider details
- NPI number
- 1811164528
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A103724 (CA)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,457 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 533 | $142 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 249 | $126 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 198 | $16 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 194 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 176 | $228 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 392 | 133 |
| Apixabanbrand: Eliquis | 346 | 94 |
| Carvedilol | 333 | 101 |
| Amlodipine Besylate | 257 | 80 |
| Metoprolol Succinate | 254 | 89 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 183 | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,672 across 83 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-12
- Last updated
- 2018-07-24
Frequently asked questions
- What is Hoang Nguyen's NPI number?
- Hoang Nguyen's National Provider Identifier (NPI) is 1811164528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoang Nguyen's specialty?
- Hoang Nguyen is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hoang Nguyen located?
- Hoang Nguyen's practice location on file with NPPES is 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708.
- What is Hoang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hoang Nguyen is (714) 546-2238.
- Does Hoang Nguyen accept Medicare?
- Hoang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoang Nguyen's NPI active?
- Yes — Hoang Nguyen's NPI (1811164528) is active in the NPPES registry as of the last update on 2018-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.