William Etiz, DO
NPI 1003831124 · Anesthesiology Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Etiz, DO is a Anesthesiology Physician provider in Fresno, CA (NPI 1003831124).
Provider details
- NPI number
- 1003831124
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A6060 (CA)
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
19 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
246 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 Lens Surgery00142 | 133 | $113 |
| Anesthesia for Procedure on Eyelid00103 | 22 | $165 |
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 20 | $108 |
| Anesthesia for Extensive Surgery on Spine00670 | 16 | $431 |
| Anesthesia for Procedure on Anus and Rectum00902 | 16 | $143 |
| Anesthesia for Retinal Surgery00145 | 14 | $185 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 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
- 2006-07-12
- Last updated
- 2011-09-21
Frequently asked questions
- What is William Etiz's NPI number?
- William Etiz's National Provider Identifier (NPI) is 1003831124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Etiz's specialty?
- William Etiz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Etiz located?
- William Etiz's practice location on file with NPPES is 1303 E Herndon Ave, Fresno, CA 93720-3309.
- What is William Etiz's phone number?
- The practice phone number listed in the NPPES registry for William Etiz is (559) 450-3000.
- Does William Etiz accept Medicare?
- William Etiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Etiz's NPI active?
- Yes — William Etiz's NPI (1003831124) is active in the NPPES registry as of the last update on 2011-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.