DR. NATHAN ROSS KELSEY M.D.
NPI 1184943789
Radiology - Diagnostic Radiology in Twin Falls, ID
About Dr. Nathan Ross Kelsey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN ROSS KELSEY M.D. (NPI 1184943789) is an individual diagnostic radiology provider in Twin Falls, Idaho, licensed in Idaho (M-14787) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with St Lukes Magic Valley Medical Center, and maintains a secondary practice location in Travis Afb.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Nathan Ross Kelsey 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 Nathan Kelsey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Twin Falls, ID 83301
- Reassigned Medicare billing, Idaho enrollment
- Medicare enrollment name: St Lukes Clinic LLC
- 322 clinicians in this Medicare group
Dayton, OH 45409
- Reassigned Medicare billing, California enrollment
- 4 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 54
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Magic Valley Medical Center
Acute Care Hospitals · Twin Falls, IDSt Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDSt Luke's Jerome
Critical Access Hospitals · Jerome, IDSt Luke's Mccall
Critical Access Hospitals · Mccall, IDSt Luke's Wood River Medical Center
Critical Access Hospitals · Ketchum, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83301 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.
TWIN FALLS, ID 83301
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 Nathan Kelsey's NPI number?
The NPI number for Nathan Kelsey is 1184943789. It was assigned to this individual provider in the NPPES registry on May 20, 2010.
Where is Nathan Kelsey located?
Nathan Kelsey practices at 801 Pole Line Rd W, Twin Falls, ID 83301. The listed phone number is (208) 814-1500.
What is Nathan Kelsey's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Nathan Kelsey enrolled in Medicare?
Yes. Nathan Kelsey 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 Nathan Kelsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Kelsey reassigns Medicare benefits to 2 organizations: St Luke's Clinic LLC (Twin Falls, ID) and Radiology Physicians Inc (Dayton, OH). 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 Nathan Kelsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathan Kelsey affiliated with any hospitals?
According to CMS data, Nathan Kelsey is affiliated with St Lukes Magic Valley Medical Center, St Luke's Regional Medical Center, St Luke's Jerome, St Luke's Mccall and St Luke's Wood River Medical Center.
When was this NPI record last updated?
The NPPES record for Nathan Kelsey was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.