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David Newswanger, MD
NPI 1043399173 · Anesthesiology Physician · Santa Clara, CA
David Newswanger, MD is a Anesthesiology Physician provider in Santa Clara, CA (NPI 1043399173).
Provider details
- NPI number
- 1043399173
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G50453 (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
900 Kiely Blvd
Santa Clara, CA 95051-5329
Phone: (408) 236-6400
Street-level locationGet directions
Mailing address
1800 Harrison St Fl 7
Oakland, CA 94612-3429
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Newswanger's NPI number?
- David Newswanger's National Provider Identifier (NPI) is 1043399173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Newswanger's specialty?
- David Newswanger is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Newswanger located?
- David Newswanger's practice location on file with NPPES is 900 Kiely Blvd, Santa Clara, CA 95051-5329.
- What is David Newswanger's phone number?
- The practice phone number listed in the NPPES registry for David Newswanger is (408) 236-6400.
- Is David Newswanger's NPI active?
- Yes — David Newswanger's NPI (1043399173) 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.