William Sato, MD
NPI 1730975871 · Anesthesiology Physician · Madison, WI
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sato, MD is a Anesthesiology Physician provider in Madison, WI (NPI 1730975871).
Provider details
- NPI number
- 1730975871
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 101903851 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-16
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is William Sato's NPI number?
- William Sato's National Provider Identifier (NPI) is 1730975871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sato's specialty?
- William Sato is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Sato located?
- William Sato's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is William Sato's phone number?
- The practice phone number listed in the NPPES registry for William Sato is (608) 263-6400.
- Does William Sato accept Medicare?
- William Sato is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sato's NPI active?
- Yes — William Sato's NPI (1730975871) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.