Rebecca L. Dyson, MD

Medicare activity in 2024

Official CMS public-use data for Rebecca L. Dyson, 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.

Most frequent services

1. Screening mammography (77067)625 services
2. Screening 3d breast mammography (77063)624 services
3. X-ray of chest, 1 view (71045)562 services
4. X-ray of chest, 2 views (71046)284 services
5. Ct scan head or brain without contrast (70450)158 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 cholesterol66%
• High blood pressure65%
• Arthritis43%
• Diabetes25%
• Anxiety24%
• Depression22%

Hospitals where Rebecca L. Dyson works

Medicare's Facility Affiliation Data lists Rebecca L. Dyson 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.

• Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380018
• Fairchild Medical CenterYreka, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051316
• Mercy Medical Center of Mt ShastaMount Shasta, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051319
• Modoc Medical CenterAlturas, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051330
• Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050150

Practice locations

Addresses where Rebecca L. Dyson is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 N Nagle StAlturas, CA 96101 (530) 708‑8800
• 155 Glasson WayGrass Valley, CA 95945 (530) 274‑6000
• 914 Pine StMount Shasta, CA 96067 (530) 926‑6111

Group practices

Medicare enrollment lists Rebecca L. Dyson as a member of this group (CMS data updated October 2, 2026).

• Mount Shasta Radiology Inc5 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Peter S. Halt, MD
• Michael D. Maloney, MD
• Agboola O. Awomolo, MD
• Bayani V. Evangelista, MD
• Vincent S. Polek, MD
• Dror Suhami, MD
• Shaya Ghazinoor, MD
• Richard Hong, MD

All radiologists in California →

Other clinicians in Mount Shasta Radiology Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Peter S. Halt, MD
• Michael D. Maloney, MD
• Scott L. Bleazard, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians