Ara A. Chrissian, MD

Medicare activity in 2024

Official CMS public-use data for Ara A. Chrissian, 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. Critical care, first 30-74 minutes (99291)119 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)81 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 services
4. Exam of lung airways with diagnostic or therapeutic procedure on growths using an endoscope and ultrasound (31654)33 services
5. Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope (31629)30 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%
• Diabetes51%
• COPD51%
• Arthritis49%
• Heart failure48%

Hospitals where Ara A. Chrissian works

Medicare's Facility Affiliation Data lists Ara A. Chrissian 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.

• Loma Linda University Medical CenterLoma Linda, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050327

Practice locations

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

• 11234 Anderson StLoma Linda, CA 92350 (909) 558‑2824
• 11234 Anderson StLoma Linda, CA 92354
• 11370 Anderson StLoma Linda, CA 92354

Group practices

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

• Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Critical Care (Intensivists)also
• Internal Medicinealso

Find other Pulmonary Disease doctors in California →

Other pulmonologists in Loma Linda

Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.

• Kanwaljeet K. Maken, MD
• Niranjan Jeganathan, MD
• Hassan A. Haddadin, MD
• Lamia Aljundi, MD
• Matthew T. Honda, MD
• Twinkle R. Chandak, MD
• Khazenay Bakhsh, MD
• Naureen Farook, MD

All pulmonologists in Loma Linda →

Other clinicians in Faculty Physicians and Surgeons of Llusm

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

• Vicky R. Boykins
• Mitsuhiko Tsukimoto, MD
• Natalie M. Mukherjee, NP
• Paul C. Walker, MD
• Lidia L. Romero, AU
• Ravi Mandapati, 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