Ara S. Klijian, MD

Medicare activity in 2024

Official CMS public-use data for Ara S. Klijian, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)74 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)37 services
3. Removal of lining of chest cavity and lining of lung (32320)34 services
4. Ct scan of chest without contrast (71250)33 services
5. Removal of air sac of lung using an endoscope (32655)32 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%
• COPD68%
• Ischemic heart disease65%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)60%
• Diabetes58%

Hospitals where Ara S. Klijian works

Medicare's Facility Affiliation Data lists Ara S. Klijian 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.

• Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

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

• 5555 Grossmont Ctr DrLa Mesa, CA 91942 (619) 740‑6000
• 7901 Frost StSan Diego, CA 92123 (858) 939‑3400

Group practices

Medicare enrollment lists Ara S. Klijian as a member of this group (CMS data updated October 2, 2026).

• Emergency and Acute Care Medical Corporation422 clinicians in the group

Specialties

• Thoracic Surgeryprimary
• Cardiac Surgeryalso

Find other Thoracic Surgery doctors in California →

Other thoracic surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Richard D. Gregory, MD
• Sumanth Kidambi, MD
• Marko Boskovski, MD
• Sterling L. Humphrey, MD
• Takashi Harano, MD
• Aldrin C. Alpuerto, MD
• Ali Gheissari, MD
• Akbarshakh Akhmerov, MD

All thoracic surgeons in California →

Other clinicians in Emergency and Acute Care Medical Corporation

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

• Ricardo Navarrete, DPM
• Eunice E. Kwon, DO
• Nassir A. Azimi, MD
• Nojan Talebzadeh, MD
• Daniel Lamorte, MD
• Anitha Garlapati, 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