JAMES E STEPENOSKY D.O.
NPI 1598738577
Radiology - Diagnostic Radiology in Scottsdale, AZ
About James E Stepenosky D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES E STEPENOSKY D.O. (NPI 1598738577) is an individual diagnostic radiology provider in Scottsdale, Arizona, licensed in California (20484) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Chicago College Of Osteopathy (1996).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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 and accepts Medicare assignment
James E Stepenosky D.o. 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
4Medicare enrollment records show James Stepenosky reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 360 clinicians in this Medicare group
Gainesville, FL 32607
- Reassigned Medicare billing, Florida enrollment
- 141 clinicians in this Medicare group
St Petersburg, FL 33701
- Reassigned Medicare billing, Florida enrollment
- 269 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, California enrollment
- 20 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 15
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85259 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
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 Stepenosky's NPI number?
The NPI number for James Stepenosky is 1598738577. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is James Stepenosky located?
James Stepenosky practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.
What is James Stepenosky's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is James Stepenosky enrolled in Medicare?
Yes. James Stepenosky 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 James Stepenosky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Stepenosky reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Diego, CA), Simedhealth LLC (Gainesville, FL), Ohri, LLC (St Petersburg, FL) and Zwanger & Pesiri Radiology Group, LLP (Lindenhurst, NY). 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 Stepenosky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Stepenosky accept?
Health plans from Oscar Health Maintenance Organization of Florida list James Stepenosky 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 Stepenosky was last updated on June 14, 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.