William Buchholz, M.D.
NPI 1356300107 · Anesthesiology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Buchholz, M.D. is a Anesthesiology Physician provider in Austin, TX (NPI 1356300107).
Provider details
- NPI number
- 1356300107
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K7254 (TX)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
205 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) |
|---|---|---|
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 37 | $253 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 29 | $102 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 27 | $42 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 27 | $17 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 27 | $3 |
| 3d Radiographic Procedure76376 | 25 | $9 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$192 across 2 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
- 2006-03-21
- Last updated
- 2009-02-12
Frequently asked questions
- What is William Buchholz's NPI number?
- William Buchholz's National Provider Identifier (NPI) is 1356300107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Buchholz's specialty?
- William Buchholz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Buchholz located?
- William Buchholz's practice location on file with NPPES is 8140 N Mopac Expy, Austin, TX 78759-8837.
- What is William Buchholz's phone number?
- The practice phone number listed in the NPPES registry for William Buchholz is (512) 343-2292.
- Does William Buchholz accept Medicare?
- William Buchholz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Buchholz's NPI active?
- Yes — William Buchholz's NPI (1356300107) is active in the NPPES registry as of the last update on 2009-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.