JAMES PAUL HOLLAND MD
NPI 1831146240
Emergency Medicine in West Covina, CA
About James Paul Holland Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES PAUL HOLLAND MD (NPI 1831146240) is an individual emergency medicine provider in West Covina, California, licensed in California (G35778) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James Paul Holland Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Holland reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arcadia, CA 91007
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Holland's NPI number?
The NPI number for James Holland is 1831146240. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is James Holland located?
James Holland practices at 1115 S Sunset Ave, West Covina, CA 91790. The listed phone number is (626) 814-2434.
What is James Holland's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Holland enrolled in Medicare?
Yes. James Holland is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Holland's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Holland reassigns Medicare benefits to Michael S. Agron, M.D., Inc. (Arcadia, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Holland's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Holland was last updated on December 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.