Senthil S. Gunasekaran, MD

Medicare activity in 2024

Official CMS public-use data for Senthil S. Gunasekaran, 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. X-ray of chest, 1 view (71045)1,016 services
2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)885 services
3. Ct scan head or brain without contrast (70450)288 services
4. Ct scan of abdomen and pelvis without contrast (74176)145 services
5. X-ray of chest, 2 views (71046)141 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%
• Arthritis53%
• Diabetes50%
• Chronic kidney disease42%
• Ischemic heart disease36%

Hospitals where Senthil S. Gunasekaran works

Medicare's Facility Affiliation Data lists Senthil S. Gunasekaran 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.

• Adventist Health BakersfieldBakersfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050455
• Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
• Corona Regional Medical CenterCorona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050329
• Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050239
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Senthil S. Gunasekaran is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 27; the Medicare profile lists all.

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004
• 1100 Magellan DrTehachapi, CA 93561 · Adventist Health Medical Center Tehachapi (661) 823‑3000
• 1141 Rose AveSelma, CA 93662 · Hanford Community Hospital (559) 891‑1000
• 115 Mall DrHanford, CA 93230 · Hanford Community Hospital (559) 582‑9000
• 1350 W Covina BlvdSan Dimas, CA 91773 · Fullerton Radiology Medical Group Inc (909) 599‑6811

Group practices

Medicare enrollment lists Senthil S. Gunasekaran as a member of these groups (CMS data updated October 2, 2026).

• USC Care Medical Group Inc1,380 clinicians in the group
• UC Regents108 clinicians in the group
• Advanced Radiology and Interventional Associates Inc104 clinicians in the group
• Glendale Adventist Medical Center103 clinicians in the group
• Los Alamitos Radiology Group Inc67 clinicians in the group
• Reedley Community Hospital62 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Orange

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

• Patrick Y. Kim, MD
• Mark D. Tran, MD
• Sonia Lee, MD
• Gelareh Sadigh, MD
• Christopher T. Loh, MD
• Andrew N. Knoll, MD
• Reza Sirous, MD
• Lin H. Hwang, DO

All radiologists in Orange →

Other clinicians in USC Care Medical Group Inc

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

• Vidya V. Nair, NP
• Masoud Majed, MD
• Jon E. Anderson, MD
• Tara L. Humphrey, DO
• Sarah R. Blumenthal, MD
• Michael A. Mata, CNA

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