James V. Holzer
Case Manager/Care Coordinator · Lancaster, CA
James V. Holzer is a case manager/care coordinator with a practice address in Lancaster, California, and NPI 1841498243, issued on Jul 6, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James V. Holzer
- Primary taxonomy
- Case Manager/Care Coordinator 171M00000X
- Practice location
- 43423 Division St Ste 107, Lancaster, CA 93535
- Phone
- (661) 726-2850
- Enumerated
- Jul 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (661) 726-2854
- Entity
- Type 1 · individual
8 nearest case manager/care coordinator records → All 22,803 in California → Look up another NPI →
Also registered at 43423 Division St Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica BonesCase Manager/Care Coordinator1962601674
- Guyton ColantuonoCase Manager/Care Coordinator1114046620
- John GloverSocial Worker1821116393
- Jamie GonzalezRehabilitation Practitioner1457479701
- Jeannine HerronRehabilitation Practitioner1922126267
- Natalie HolcombCase Manager/Care Coordinator1093832610
Verify James V. Holzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James V. Holzer among 22,803 case manager/care coordinator records in California
James V. Holzer is one of 22,803 case manager/care coordinator records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 1% of them.
- NPI issued2007 · 1% of these records are older, 87% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 171M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
277 case manager/care coordinator records list a practice address in Lancaster
They are 277 of the 4,273 NPPES records with a practice address in Lancaster, and 22,803 case manager/care coordinator records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22,803 in California → Every provider in Lancaster → Case Manager/Care Coordinator nationwide →
The 8 case manager/care coordinator records with the nearest ZIP codes
- Jessica BonesLancaster, CA 935351962601674
- Jennifer ChavezLancaster, CA 935351588795272
- Guyton ColantuonoLancaster, CA 935351114046620
- Regina ConleyLancaster, CA 935351609068667
- Amy DoyleLancaster, CA 935351770614471
- Denise GammageLancaster, CA 935351518098128
- Emilia HayesLancaster, CA 935351073782041
- Carl HodgmanLancaster, CA 935351346364122
Common questions
What is James V. Holzer's NPI number?
James V. Holzer's National Provider Identifier (NPI) is 1841498243, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James V. Holzer located?
The NPPES record lists a practice address at 43423 Division St Ste 107, Lancaster, CA, 93535. Phone: (661) 726-2850. Providers update this record themselves, so call before visiting.
How can I verify James V. Holzer's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.