DR. JAMES FOX MD
NPI 1891137923
Emergency Medicine in Tucson, AZ
About Dr. James Fox Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES FOX MD (NPI 1891137923) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (53844) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Fox Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show James Fox reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
Sierra Vista, AZ 85635
- Reassigned Medicare billing, Arizona enrollment
- 239 clinicians in this Medicare group
Bylas, AZ 85530
- Reassigned Medicare billing, Texas enrollment
- 438 clinicians in this Medicare group
Mesa, AZ 85209
- Reassigned Medicare billing, Arizona enrollment
- 79 clinicians in this Medicare group
Durango, CO 81301
- Reassigned Medicare billing, Arizona enrollment
- 57 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 85712 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85712
TUCSON, AZ 85712
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 Fox's NPI number?
The NPI number for James Fox is 1891137923. It was assigned to this individual provider in the NPPES registry on July 17, 2013.
Where is James Fox located?
James Fox practices at 4727 E Camp Lowell Dr, Tucson, AZ 85712. The listed phone number is (520) 600-4300.
What is James Fox's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Fox enrolled in Medicare?
Yes. James Fox is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Fox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Fox reassigns Medicare benefits to 5 organizations: Sendero Medicine, PLLC (Tucson, AZ), Sound Physicians Emergency Medicine Of Arizona, Inc. (Sierra Vista, AZ), San Carlos Apache Healthcare Corporation (Bylas, AZ), Usacs Emergency Medicine Of Arizona, LLC (Mesa, AZ) and Usacs Of Colorado Inc (Durango, CO). Each 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 Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Fox accept?
Health plans from Blue Cross Blue Shield of Arizona list James Fox as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Fox was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.