JOHN KEITH HAYES JR. M.D.
NPI 1275672933
Radiology - Radiation Oncology in Salt Lake City, UT
About John Keith Hayes Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KEITH HAYES JR. M.D. (NPI 1275672933) is an individual radiation oncology provider in Salt Lake City, Utah, licensed in Utah (171931-1205) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital-davis, and maintains a secondary practice location in Layton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
John Keith Hayes Jr. 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
6Medicare enrollment records show John Hayes reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salt Lake City, UT 84102
- Reassigned Medicare billing, Utah enrollment
- 136 clinicians in this Medicare group
Salt Lake City, UT 84106
- Reassigned Medicare billing, Utah enrollment
- 57 clinicians in this Medicare group
Salt Lake City, UT 84124
- Reassigned Medicare billing, Idaho enrollment
- Medicare enrollment name: St Marks Professional Services LLC
- 21 clinicians in this Medicare group
Salt Lake City, UT 84124
- Reassigned Medicare billing, Utah enrollment
- 8 clinicians in this Medicare group
Rock Springs, WY 82901
- Reassigned Medicare billing, Wyoming enrollment
- 176 clinicians in this Medicare group
Jackson, WY 83001
- Reassigned Medicare billing, Wyoming enrollment
- 114 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 8
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital-Davis
Acute Care Hospitals · Layton, UTSt Mark's Hospital
Acute Care Hospitals · Salt Lake City, UTHoly Cross Hospital-Jordan Valley
Acute Care Hospitals · West Jordan, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84102 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.
SALT LAKE CITY, UT 84102
SALT LAKE CITY, UT 84102
SALT LAKE CITY, UT 84102
SALT LAKE CITY, UT 84102
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 John Hayes's NPI number?
The NPI number for John Hayes is 1275672933. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is John Hayes located?
John Hayes practices at 1050 E South Temple, Salt Lake City, UT 84102. The listed phone number is (801) 350-8400.
What is John Hayes's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is John Hayes enrolled in Medicare?
Yes. John Hayes 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 John Hayes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hayes reassigns Medicare benefits to 6 organizations: Catholic Health Initiatives Colorado (Salt Lake City, UT), Utah Cancer Specialists PC (Salt Lake City, UT), St Mark's Professional Services, LLC (Salt Lake City, UT), Gammawest Brachytherapy, LLC (Salt Lake City, UT), Memorial Hospital Of Sweetwater County (Rock Springs, WY) and 1 more organization, listed in the Medicare section above. 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 John Hayes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Hayes accept?
Health plans from Blue Cross Blue Shield of Wyoming, BridgeSpan Health Company, Imperial Health Plan of the Southwest, Inc., Molina Healthcare and Providence Health Plan and 4 other insurers list John Hayes 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.
Is John Hayes affiliated with any hospitals?
According to CMS data, John Hayes is affiliated with Holy Cross Hospital-Davis, St Mark's Hospital and Holy Cross Hospital-Jordan Valley.
When was this NPI record last updated?
The NPPES record for John Hayes was last updated on September 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.