William Wu, M.D.
NPI 1346246626 · Cardiovascular Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wu, M.D. is a Cardiovascular Disease Physician provider in San Antonio, TX (NPI 1346246626).
Provider details
- NPI number
- 1346246626
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- H8897 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
6,513 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 | 1,978 | $122 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,697 | $13 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 720 | $75 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 278 | $163 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 157 | $209 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 915 | 269 |
| Carvedilol | 522 | 146 |
| Semaglutidebrand: Ozempic | 521 | 87 |
| Metoprolol Succinate | 506 | 146 |
| Amlodipine Besylate | 495 | 141 |
| Apixabanbrand: Eliquis | 493 | 108 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30,989 across 69 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
- 2005-06-22
- Last updated
- 2012-03-29
Frequently asked questions
- What is William Wu's NPI number?
- William Wu's National Provider Identifier (NPI) is 1346246626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wu's specialty?
- William Wu is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Wu located?
- William Wu's practice location on file with NPPES is 927 Mccullough Ave, San Antonio, TX 78215-1630.
- What is William Wu's phone number?
- The practice phone number listed in the NPPES registry for William Wu is (210) 223-6896.
- Does William Wu accept Medicare?
- William Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wu's NPI active?
- Yes — William Wu's NPI (1346246626) is active in the NPPES registry as of the last update on 2012-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.