Byron R. Spencer, MD

Medicare activity in 2024

Official CMS public-use data for Byron R. Spencer, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)245 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)101 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)49 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 cholesterol75%
• Stroke or mini-stroke67%
• Arthritis59%
• Ischemic heart disease41%
• Depression41%

Hospitals where Byron R. Spencer works

Medicare's Facility Affiliation Data lists Byron R. Spencer 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.

• HCA HealthONE RoseDenver, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060032
• Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060034
• Intermountain Health Lutheran HospitalWheat Ridge, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060009
• Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060112
• The Medical Center of Aurora & South HospitalAurora, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060100

Practice locations

Addresses where Byron R. Spencer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

• 10180 SE Sunnyside RdClackamas, OR 97015 (800) 813‑2000
• 1303 E Herndon AveFresno, CA 93720 (559) 450‑3301
• 14300 Orchard PkwyWestminster, CO 80023 (303) 426‑2151
• 1719 E 19th Ave, Presbyterian St LukesDenver, CO 80218 (303) 839‑6000
• 2825 E Barnett RdMedford, OR 97504 (541) 789‑7000

Group practices

Medicare enrollment lists Byron R. Spencer as a member of these groups (CMS data updated October 2, 2026).

• Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group
• Asante Physician Partners225 clinicians in the group
• Blue Sky Telehealth LLC72 clinicians in the group
• Saint Agnes Medical Center58 clinicians in the group
• CarePoint Inpatient Blue Sky Neurology PLLC40 clinicians in the group
• CarePoint Inpatient Blue Sky Neurology Idaho LLC8 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Oregon →

Other neurologists in Clackamas

Clinicians with the same Medicare primary specialty in Clackamas, OR — not a recommendation.

• Bernadette Borte, MD
• Brooke K. Walter, MD
• Frank G. Gilliam Jr., MD
• Branaven Mahadeva, MD
• Greg R. Zarelli, MD
• Kimberly E. Dimanna, DO
• Baxter Allen, MD
• Michael Zatt, DO

All neurologists in Clackamas →

Other clinicians in Kaiser Foundation Health Plan of the Northwest

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

• Denise M. Bilbao, MD
• Amanda M. Smith, PA
• Christine M. Barnett, MD
• Philip B. Anderson, MD
• Nicholas A. Richmond, MD
• Mary F. Meikle, CSW

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