Holden OD & Knapp OD
NPI 1871621755 · Optometrist · Oxnard, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holden OD & Knapp OD is a Optometrist organization in Oxnard, CA (NPI 1871621755).
Provider details
- NPI number
- 1871621755
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Lisa Knapp, Partner(805) 382-2020
Specialties & taxonomies
Eye and Vision Services Providers
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
Other names (DBA / former)
- Other name
- Family Optometric Group
- Other name
- Family Optometric Group
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2019-02-04
Frequently asked questions
- What is Holden OD & Knapp OD's NPI number?
- Holden OD & Knapp OD's National Provider Identifier (NPI) is 1871621755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Holden OD & Knapp OD?
- Holden OD & Knapp OD is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Holden OD & Knapp OD located?
- Holden OD & Knapp OD's practice location on file with NPPES is 1545 W 5th St, Oxnard, CA 93030-6510.
- What is Holden OD & Knapp OD's phone number?
- The practice phone number listed in the NPPES registry for Holden OD & Knapp OD is (805) 382-2020.
- Does Holden OD & Knapp OD accept Medicare?
- Holden OD & Knapp OD is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Holden OD & Knapp OD?
- The authorized official listed on Holden OD & Knapp OD's NPPES record is Lisa Knapp, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Holden OD & Knapp OD's NPI active?
- Yes — Holden OD & Knapp OD's NPI (1871621755) is active in the NPPES registry as of the last update on 2019-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.