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James Holzer
NPI 1841498243 · Case Manager/Care Coordinator · Lancaster, CA
James Holzer is a Case Manager/Care Coordinator provider in Lancaster, CA (NPI 1841498243).
Provider details
- NPI number
- 1841498243
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
43423 Division St Ste 107
Lancaster, CA 93535-4640
Phone: (661) 726-2850
Fax: (661) 726-2854
Street-level locationGet directions
Mailing address
3303 E Avenue K3
Lancaster, CA 93535-4937
Registry dates
- Enumerated
- 2007-07-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Holzer's NPI number?
- James Holzer's National Provider Identifier (NPI) is 1841498243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Holzer's specialty?
- James Holzer is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is James Holzer located?
- James Holzer's practice location on file with NPPES is 43423 Division St Ste 107, Lancaster, CA 93535-4640.
- What is James Holzer's phone number?
- The practice phone number listed in the NPPES registry for James Holzer is (661) 726-2850.
- Is James Holzer's NPI active?
- Yes — James Holzer's NPI (1841498243) 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.