Quan Bui
NPI 1831553718 · Cardiovascular Disease Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quan Bui is a Cardiovascular Disease Physician provider in San Diego, CA (NPI 1831553718).
Provider details
- NPI number
- 1831553718
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A150740 (CA)
Specialties & taxonomies
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
10 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
824 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 277 | $80 |
| Critical Care, First 30-74 Minutes99291 | 115 | $210 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 81 | $192 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 74 | $133 |
| Evaluation of Lower Heart Chamber Assist Device93750 | 69 | $39 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 89 | 32 |
| Metoprolol Succinate | 79 | 36 |
| Losartan Potassium | 71 | 33 |
| Empagliflozinbrand: Jardiance | 57 | 24 |
| Apixabanbrand: Eliquis | 46 | 19 |
| Atorvastatin Calcium | 42 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,557 across 24 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
- 2016-04-07
- Last updated
- 2023-07-05
- Certified
- 2023-07-05
Frequently asked questions
- What is Quan Bui's NPI number?
- Quan Bui's National Provider Identifier (NPI) is 1831553718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quan Bui's specialty?
- Quan Bui is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Quan Bui located?
- Quan Bui's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Quan Bui's phone number?
- The practice phone number listed in the NPPES registry for Quan Bui is (800) 926-8783.
- Does Quan Bui accept Medicare?
- Quan Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quan Bui's NPI active?
- Yes — Quan Bui's NPI (1831553718) is active in the NPPES registry as of the last update on 2023-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.