JAMES MATHEW MILLER DO
NPI 1942999107
Emergency Medicine in Moreno Valley, CA
About James Mathew Miller Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES MATHEW MILLER DO (NPI 1942999107) is an individual emergency medicine provider in Moreno Valley, California, licensed in California (20A23144) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James Mathew Miller Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92555 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.
MORENO VALLEY, CA 92555
MORENO VALLEY, CA 92555
MORENO VALLEY, CA 92555
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 Miller's NPI number?
The NPI number for James Miller is 1942999107. It was assigned to this individual provider in the NPPES registry on May 3, 2023.
Where is James Miller located?
James Miller practices at 26520 Cactus Ave, Moreno Valley, CA 92555. The listed phone number is (951) 486-5650.
What is James Miller's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Miller enrolled in Medicare?
Yes. James Miller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for James Miller was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# James Mathew Miller, DO · NPI 1942999107
Emergency Medicine physician in Moreno Valley, California. Individual provider, active in the CMS NPPES registry since May 3, 2023.
## Identity
- **NPI:** 1942999107 (Entity type: Individual)
- **Enumerated:** May 3, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20A23144 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 26520 CACTUS AVE, Moreno Valley, CA 92555-3927
- **Phone:** (951) 486-5650
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1942999107) · Data from the CMS NPPES public registry.