Margaux K. Snider, MD

Medicare activity in 2024

Official CMS public-use data for Margaux K. Snider, 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. Emergency department visit with high level of medical decision making (99285)362 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)253 services
3. Emergency department visit with moderate level of medical decision making (99284)99 services
4. Critical care, first 30-74 minutes (99291)52 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)47 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%
• Arthritis50%
• Anxiety36%
• Depression34%
• Diabetes31%

Hospitals where Margaux K. Snider works

Medicare's Facility Affiliation Data lists Margaux K. Snider 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.

• French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050232
• Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107

Practice locations

Addresses where Margaux K. Snider is enrolled with Medicare (CMS data updated October 2, 2026).

• 1911 Johnson AveSan Luis Obispo, CA 93401 (805) 543‑5353

Group practices

Medicare enrollment lists Margaux K. Snider as a member of this group (CMS data updated October 2, 2026).

• Vituity Hospitalists PC79 clinicians in the group

Specialties

• Emergency Medicineprimary
• Hospitalistalso
• Internal Medicinealso

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Luis Obispo

Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.

• Eunice H. Suhr, MD
• Rachel May, MD
• Mandana A. Toole, DO
• Casey A. Fox, DO
• Kathryn C. Haran, DO
• Scott E. Bisheff, MD
• Alimul Islam, MD
• Amie L. Jimenez, MD

All emergency medicine doctors in San Luis Obispo →

Other clinicians in Vituity Hospitalists PC

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

• Analucia Lamkins, MD
• Fernando Alvarez, MD
• Alekhya Gaddam, MD
• Ashley N. Freeborn, NP
• John R. Williams, DO
• Jacob Kulyn, 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