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Steven Williams, MD
NPI 1366523680 · Anesthesiology Physician · Irvine, CA
Steven Williams, MD is a Anesthesiology Physician provider in Irvine, CA (NPI 1366523680).
Provider details
- NPI number
- 1366523680
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G65420 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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
16200 Sand Canyon Ave
Irvine, CA 92618-3714
Phone: (949) 753-6070
Street-level locationGet directions
Mailing address
1255 Skyline Dr
Laguna Beach, CA 92651-1938
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Williams's NPI number?
- Steven Williams's National Provider Identifier (NPI) is 1366523680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Williams's specialty?
- Steven Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Williams located?
- Steven Williams's practice location on file with NPPES is 16200 Sand Canyon Ave, Irvine, CA 92618-3714.
- What is Steven Williams's phone number?
- The practice phone number listed in the NPPES registry for Steven Williams is (949) 753-6070.
- Is Steven Williams's NPI active?
- Yes — Steven Williams's NPI (1366523680) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.