David Sievers, M.D.
NPI 1457476780 · Surgery Physician · Tarzana, CA
David Sievers, M.D. is a Surgery Physician provider in Tarzana, CA (NPI 1457476780).
Provider details
- NPI number
- 1457476780
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G16872 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is David Sievers's NPI number?
- David Sievers's National Provider Identifier (NPI) is 1457476780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sievers's specialty?
- David Sievers is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is David Sievers located?
- David Sievers's practice location on file with NPPES is 18370 Burbank Blvd, Tarzana, CA 91356-2804.
- What is David Sievers's phone number?
- The practice phone number listed in the NPPES registry for David Sievers is (818) 342-2123.
- Is David Sievers's NPI active?
- Yes — David Sievers's NPI (1457476780) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.