What is Gerard Diesfeld's NPI number?

Gerard Diesfeld's National Provider Identifier (NPI) is 1811033830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gerard Diesfeld's specialty?

Gerard Diesfeld is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Gerard Diesfeld located?

Gerard Diesfeld's practice location on file with NPPES is 3291 Loma Vista Rd, Ventura, CA 93003-3099.

What is Gerard Diesfeld's phone number?

The practice phone number listed in the NPPES registry for Gerard Diesfeld is (805) 652-6556.

Is Gerard Diesfeld's NPI active?

Yes — Gerard Diesfeld's NPI (1811033830) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Gerard Diesfeld

NPI 1811033830 · Family Medicine Physician · Ventura, CA

Gerard Diesfeld is a Family Medicine Physician provider in Ventura, CA (NPI 1811033830).

Provider details

NPI number: 1811033830
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: G7337 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense G7337 (CA)
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

3291 Loma Vista Rd

Ventura, CA 93003-3099

Phone: (805) 652-6556

Street-level locationGet directions

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Mailing address