David Blumberg
NPI 1891825055 · Case Manager/Care Coordinator · Oxnard, CA
David Blumberg is a Case Manager/Care Coordinator provider in Oxnard, CA (NPI 1891825055).
Provider details
- NPI number
- 1891825055
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Behavioral Health & Social Service 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
83% 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
- 2007-03-06
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is David Blumberg's NPI number?
- David Blumberg's National Provider Identifier (NPI) is 1891825055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Blumberg's specialty?
- David Blumberg is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is David Blumberg located?
- David Blumberg's practice location on file with NPPES is 1911 Williams Dr, Oxnard, CA 93036-2612.
- What is David Blumberg's phone number?
- The practice phone number listed in the NPPES registry for David Blumberg is (805) 981-9200.
- Is David Blumberg's NPI active?
- Yes — David Blumberg's NPI (1891825055) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.