William Eilers, M.D.
NPI 1538108915 · Anesthesiology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Eilers, M.D. is a Anesthesiology Physician provider in Austin, TX (NPI 1538108915).
Provider details
- NPI number
- 1538108915
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K3574 (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
305 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 32 | $42 |
| Anesthesia for Procedure on Upper 2/3rd of Thigh Bone01230 | 30 | $110 |
| Anesthesia for Extensive Surgery on Spine00670 | 29 | $284 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 23 | $13 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 21 | $89 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 21 | $59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2006-06-04
- Last updated
- 2008-11-21
Frequently asked questions
- What is William Eilers's NPI number?
- William Eilers's National Provider Identifier (NPI) is 1538108915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Eilers's specialty?
- William Eilers is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Eilers located?
- William Eilers's practice location on file with NPPES is 8140 N Mopac Expy Bldg III, Austin, TX 78759-8837.
- What is William Eilers's phone number?
- The practice phone number listed in the NPPES registry for William Eilers is (512) 343-2292.
- Does William Eilers accept Medicare?
- William Eilers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Eilers's NPI active?
- Yes — William Eilers's NPI (1538108915) is active in the NPPES registry as of the last update on 2008-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.