Maggie J. King, MD

Medicare activity in 2024

Official CMS public-use data for Maggie J. King, 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. Hospital discharge day management, more than 30 minutes (99239)28 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)25 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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 cholesterol71%
• Arthritis49%
• Heart failure39%
• Anxiety37%
• COPD37%

Hospitals where Maggie J. King works

Medicare's Facility Affiliation Data lists Maggie J. King 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.

• St Charles Medical Center - BendBend, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380047
• St Charles Medical Center PrinevillePrineville, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381313

Practice locations

Addresses where Maggie J. King is enrolled with Medicare (CMS data updated October 2, 2026).

• 1253 NW Canal BlvdRedmond, OR 97756 (541) 548‑8131
• 384 SE Combs Flat RdPrineville, OR 97754 (541) 706‑2768
• 384 SE Combs Flat Rd, Suite 1200Prineville, OR 97754 (541) 706‑2768

Group practices

Medicare enrollment lists Maggie J. King as a member of this group (CMS data updated October 2, 2026).

• St Charles Health System Inc173 clinicians in the group

Specialties

• Family Practiceprimary
• Obstetrics/Gynecologyalso

Find other Family Practice doctors in Oregon →

Other family doctors in Redmond

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

• Matthew S. Giordanengo, DO
• Leslie McCalister, MD
• Molly L. Garbus, MD
• Carey L. Allen, MD
• Meghan G. Brecke, DO
• Leonard D. Savage, MD
• Brian J. Sullivan, MD
• Brandon T. Nguyen, DO

All family doctors in Redmond →

Other clinicians in St Charles Health System Inc

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

• Shannon K. Brasher, PA
• Daniel S. Hagg, MD
• Amy Dineen
• Matthew S. Giordanengo, DO
• David M. Mehr, MD
• Julie L. Van Ness, NP

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