Larry L. Fontanilla Jr., MD

Medicare activity in 2024

Official CMS public-use data for Larry L. Fontanilla Jr., 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)79 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)45 services
3. Emergency department visit with moderate level of medical decision making (99284)39 services
4. Critical care, first 30-74 minutes (99291)19 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 cholesterol72%
• Arthritis39%
• Chronic kidney disease37%
• Anxiety36%
• Diabetes35%

Hospitals where Larry L. Fontanilla Jr. works

Medicare's Facility Affiliation Data lists Larry L. Fontanilla Jr. 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.

• Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024

Practice locations

Addresses where Larry L. Fontanilla Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 413 Lilly Rd NEOlympia, WA 98506 (360) 493‑4554

Group practices

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

• Olympia Emergency Services PLLC29 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Olympia

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

• Arin T. Braseth, MD
• Karolyn K. Moody, DO
• Jessica Maerz, MD
• Craig A. Nattkemper, DO
• Adam M. Fox, DO
• Benjamin V. Silver, DO
• Matthew J. Stein, MD
• William E. Kriegsman Jr., MD

All emergency medicine doctors in Olympia →

Other clinicians in Olympia Emergency Services PLLC

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

• Arin T. Braseth, MD
• Erica E. Schuman
• Jonathan R. Babbitt, MD
• Adam M. Fox, DO
• Jacob A. Braun, DO
• Kevin J. Mierzejewski, DO

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