Hanh Bui, M.D.
NPI 1275519175 · Cardiovascular Disease Physician · Vista, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hanh Bui, M.D. is a Cardiovascular Disease Physician provider in Vista, CA (NPI 1275519175).
Provider details
- NPI number
- 1275519175
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A79185 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
15,461 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 | 2,220 | $134 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 1,997 | $53 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 1,579 | $42 |
| Evaluation of Implantable Heart and Blood Vessel Monitoring System, Remote Up to 30 Days93297 | 1,515 | $51 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 1,508 | $55 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 716 | 230 |
| Amlodipine Besylate | 586 | 199 |
| Metoprolol Succinate | 473 | 165 |
| Carvedilol | 450 | 142 |
| Atorvastatin Calcium | 413 | 147 |
| Furosemide | 406 | 153 |
| Rosuvastatin Calcium | 340 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,347 across 48 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
Additional practice locations (2)
- 1503 N Imperial Ave Ste 203El Centro, CA 92243-6302Phone: (760) 630-2550Fax: (760) 726-2305
- 2067 W Vista Way Ste 225Vista, CA 92083-6001Phone: (760) 630-2550Fax: (760) 726-2305
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2023-02-01
- Certified
- 2023-02-01
Frequently asked questions
- What is Hanh Bui's NPI number?
- Hanh Bui's National Provider Identifier (NPI) is 1275519175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanh Bui's specialty?
- Hanh Bui is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Hanh Bui located?
- Hanh Bui's practice location on file with NPPES is 906 Sycamore Ave Ste 104, Vista, CA 92081-7839.
- What is Hanh Bui's phone number?
- The practice phone number listed in the NPPES registry for Hanh Bui is (760) 630-2550.
- Does Hanh Bui accept Medicare?
- Hanh Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hanh Bui's NPI active?
- Yes — Hanh Bui's NPI (1275519175) is active in the NPPES registry as of the last update on 2023-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.