DR. TOSHIMASA JAMES CLARK M.D.
NPI 1427213271
Radiology - Body Imaging in Aurora, CO
About Dr. Toshimasa James Clark M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TOSHIMASA JAMES CLARK M.D. (NPI 1427213271) is an individual body imaging provider in Aurora, Colorado, licensed in Colorado (DR.0053777) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 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 and accepts Medicare assignment
Dr. Toshimasa James Clark M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Toshimasa Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Denver, CO 80249
- Reassigned Medicare billing, Colorado enrollment
- 320 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.
Areas of Expertise CMS Part B claims 36
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Toshimasa Clark's NPI number?
The NPI number for Toshimasa Clark is 1427213271. It was assigned to this individual provider in the NPPES registry on July 22, 2008. The provider is also known as Dr. Toshi James Clark M.D..
Where is Toshimasa Clark located?
Toshimasa Clark practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Toshimasa Clark's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Toshimasa Clark enrolled in Medicare?
Yes. Toshimasa Clark 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.
Which organizations bill Medicare for Toshimasa Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Toshimasa Clark reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Uchealth Imaging Services, LLC (Denver, 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 Toshimasa Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Toshimasa Clark accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross Blue Shield of Wyoming and Select Health list Toshimasa Clark 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 Toshimasa Clark was last updated on June 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.