John Vanhouten, MD
NPI 1811943046 · Specialist · Ventura, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Vanhouten, MD is a Specialist provider in Ventura, CA (NPI 1811943046).
Provider details
- NPI number
- 1811943046
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G073189 (CA)
Specialties & taxonomies
Other Service Providers
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
- 2006-05-26
- Last updated
- 2007-07-21
Frequently asked questions
- What is John Vanhouten's NPI number?
- John Vanhouten's National Provider Identifier (NPI) is 1811943046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vanhouten's specialty?
- John Vanhouten is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Vanhouten located?
- John Vanhouten's practice location on file with NPPES is 147 N Brent St, Ventura, CA 93003-2809.
- What is John Vanhouten's phone number?
- The practice phone number listed in the NPPES registry for John Vanhouten is (805) 652-5620.
- Does John Vanhouten accept Medicare?
- John Vanhouten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Vanhouten's NPI active?
- Yes — John Vanhouten's NPI (1811943046) is active in the NPPES registry as of the last update on 2007-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.