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William Mazzei, MD
NPI 1467492165 · Anesthesiology Physician · San Diego, CA
William Mazzei, MD is a Anesthesiology Physician provider in San Diego, CA (NPI 1467492165).
Provider details
- NPI number
- 1467492165
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G56489 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (619) 543-5720
Street-level locationGet directions
Mailing address
Po Box 232410
San Diego, CA 92193-2410
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2017-09-08
Frequently asked questions
- What is William Mazzei's NPI number?
- William Mazzei's National Provider Identifier (NPI) is 1467492165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mazzei's specialty?
- William Mazzei is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Mazzei located?
- William Mazzei's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is William Mazzei's phone number?
- The practice phone number listed in the NPPES registry for William Mazzei is (619) 543-5720.
- Is William Mazzei's NPI active?
- Yes — William Mazzei's NPI (1467492165) is active in the NPPES registry as of the last update on 2017-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.