Arturo Lara Llerena, MD

Medicare activity in 2024

Official CMS public-use data for Arturo Lara Llerena, 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. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)401 services
2. Critical care, first 30-74 minutes (99291)18 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%
• Arthritis64%
• Ischemic heart disease54%
• Diabetes53%
• Anxiety53%

Hospitals where Arturo Lara Llerena works

Medicare's Facility Affiliation Data lists Arturo Lara Llerena 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.

• Harrisburg Medical CenterHarrisburg, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140210
• Herrin HospitalHerrin, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140011
• Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140164
• Pinckneyville Community HospitalPinckneyville, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141307
• Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050100

Practice locations

Addresses where Arturo Lara Llerena is enrolled with Medicare (CMS data updated October 2, 2026).

• 201 S 14th StHerrin, IL 62948 (618) 942‑2171
• 7901 Frost StSan Diego, CA 92123 (858) 939‑3400

Group practices

Medicare enrollment lists Arturo Lara Llerena as a member of these groups (CMS data updated October 2, 2026).

• Emergency and Acute Care Medical Corporation422 clinicians in the group
• 24 on Physicians PC272 clinicians in the group
• Focus on Health Inc64 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Illinois →

Other hospitalists in Herrin

Clinicians with the same Medicare primary specialty in Herrin, IL — not a recommendation.

• Mohammed L. Guba, MD
• Steven B. Wehmeyer, MD
• Alvaro F. Matos Arana, MD
• Tsahi Samra, MD
• Motaz R. Wraikat, DO
• Labib Elkahwaji, MD
• Alex Htun, MD
• Shrutee Baniya, MD

All hospitalists in Herrin →

Other clinicians in Emergency and Acute Care Medical Corporation

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

• Laura Decesare, MD
• Angela S. Park, DO
• Tung N. Lai, MD
• Joanne B. Malinak, MD
• Ananthram P. Reddy, MD
• Saniya S. Malik, 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