William Davis, M.D.
NPI 1437195187 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Davis, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in San Antonio, TX (NPI 1437195187).
Provider details
- NPI number
- 1437195187
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G8071 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
134 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) |
|---|---|---|
| Exclusion of Appendage of Left Upper Chamber of Heart Performed During Other Procedure on Chest33268 | 41 | $42 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 37 | $583 |
| Harvest of Vein Using an Endoscope33508 | 27 | $6 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 3 Grafts33519 | 16 | $215 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 2 Grafts33518 | 13 | $111 |
Typical Medicare-allowed amounts for these services range $6–$583 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,966 across 34 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
- 2006-06-21
- Last updated
- 2022-02-09
Frequently asked questions
- What is William Davis's NPI number?
- William Davis's National Provider Identifier (NPI) is 1437195187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Davis's specialty?
- William Davis is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is William Davis located?
- William Davis's practice location on file with NPPES is 4330 Medical Dr, San Antonio, TX 78229-3342.
- What is William Davis's phone number?
- The practice phone number listed in the NPPES registry for William Davis is (210) 615-7700.
- Does William Davis accept Medicare?
- William Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Davis's NPI active?
- Yes — William Davis's NPI (1437195187) is active in the NPPES registry as of the last update on 2022-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.