Louis Zwerling
NPI 1215179775 · Diagnostic Radiology Physician · Santa Cruz, CA
Louis Zwerling is a Diagnostic Radiology Physician provider in Santa Cruz, CA (NPI 1215179775).
Provider details
- NPI number
- 1215179775
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- AFE22578 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-03-30
- Last updated
- 2009-03-30
Frequently asked questions
- What is Louis Zwerling's NPI number?
- Louis Zwerling's National Provider Identifier (NPI) is 1215179775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Zwerling's specialty?
- Louis Zwerling is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Zwerling located?
- Louis Zwerling's practice location on file with NPPES is 1020 Laurent St, Santa Cruz, CA 95060-2506.
- What is Louis Zwerling's phone number?
- The practice phone number listed in the NPPES registry for Louis Zwerling is (831) 426-4866.
- Is Louis Zwerling's NPI active?
- Yes — Louis Zwerling's NPI (1215179775) is active in the NPPES registry as of the last update on 2009-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.