Benjamin Vanderzwaag, M.D.
NPI 1245201805 · Diagnostic Radiology Physician · Napa, CA
Benjamin Vanderzwaag, M.D. is a Diagnostic Radiology Physician provider in Napa, CA (NPI 1245201805).
Provider details
- NPI number
- 1245201805
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- C33747 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Benjamin Vanderzwaag's NPI number?
- Benjamin Vanderzwaag's National Provider Identifier (NPI) is 1245201805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Vanderzwaag's specialty?
- Benjamin Vanderzwaag is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Vanderzwaag located?
- Benjamin Vanderzwaag's practice location on file with NPPES is 575 Lincoln, Napa, CA 94558.
- What is Benjamin Vanderzwaag's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Vanderzwaag is (707) 256-3800.
- Is Benjamin Vanderzwaag's NPI active?
- Yes — Benjamin Vanderzwaag's NPI (1245201805) 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.