Margaret S. Kim, MD

Medicare activity in 2024

Official CMS public-use data for Margaret S. Kim, 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. Test for allergy using allergenic extract (95004)960 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)50 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
4. Insertion of needle into vein for collection of blood sample (36415)12 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 pressure50%
• Arthritis47%
• High cholesterol45%
• Asthma34%
• Osteoporosis24%
• Anxiety20%

Hospitals where Margaret S. Kim works

Medicare's Facility Affiliation Data lists Margaret S. Kim 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.

• Virginia Mason Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500005

Practice locations

Addresses where Margaret S. Kim is enrolled with Medicare (CMS data updated October 2, 2026).

• 1100 9th AveSeattle, WA 98101 (206) 223‑6600
• 1900 NW Myhre RdSilverdale, WA 98383 (564) 240‑3100
• 909 University St, Fl 2Seattle, WA 98101 (206) 341‑0687

Group practices

Medicare enrollment lists Margaret S. Kim as a member of these groups (CMS data updated October 2, 2026).

• Franciscan Medical Group1,421 clinicians in the group
• Virginia Mason Medical Center867 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Internal Medicinealso

Find other Allergy/Immunology doctors in Washington →

Other allergist and immunologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

• Stephen A. Tilles, MD
• Melanie H. Chong, MD
• Gabriel Mendoza, MD
• Vinod Doreswamy, MD
• Susan S. Xie, MD
• Lauren Gunderman, MD
• Lily Li, MD
• Alice S. Chau, MD

All allergist and immunologists in Seattle →

Other clinicians in Franciscan Medical Group

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

• Matthew B. Webber
• Nathan B. Chadwick, PA
• Elaine Y. Chang, MD
• Satyavardhan Pulukurthy, MD
• Jonathan N. Tran, MD
• Rachel Hirsch, CNM

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