Quick answers
- Does Shannon R. Kirk accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon R. Kirk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Shannon R. Kirk see?
- In 2024, CMS data shows 2,121 Original Medicare patients and 3,573 services for Shannon R. Kirk. This counts Original Medicare only and measures volume, not quality.
- What is Shannon R. Kirk's NPI number?
- 1477579480. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shannon R. Kirk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,121 |
|---|---|
| Services billed to Medicare | 3,573 |
| Different services or procedures | 134 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- X-ray of chest, 1 view (71045)1,201 services
- X-ray of chest, 2 views (71046)337 services
- 3d radiographic procedure (76376)155 services
- X-ray of abdomen, 1 view (74018)144 services
- Ct scan of abdomen and pelvis with contrast (74177)131 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol74%
- Arthritis56%
- Diabetes49%
- Chronic kidney disease43%
- Heart failure43%
Hospitals where Shannon R. Kirk works
Medicare's Facility Affiliation Data lists Shannon R. Kirk at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Arrowhead Regional Medical CenterColton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050245
- Loma Linda University Medical CenterLoma Linda, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050327
- Loma Linda University Medical Center-MurrietaMurrieta, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050770
- Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204
- San Gorgonio Memorial HospitalBanning, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050054
Practice locations
Addresses where Shannon R. Kirk is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 11234 Anderson StLoma Linda, CA 92350 (909) 558‑2824
- 11234 Anderson StLoma Linda, CA 92354
- 11370 Anderson StLoma Linda, CA 92354
- 25455 Barton RdLoma Linda, CA 92354 (909) 558‑2808
- 25455 Barton Rd, Suite 108aLoma Linda, CA 92354 (909) 558‑4000
Group practices
Medicare enrollment lists Shannon R. Kirk as a member of this group (CMS data updated October 2, 2026).
- Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Loma Linda
Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.
Other clinicians in Faculty Physicians and Surgeons of Llusm
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477579480 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians