Abirami Muthukumaran, MD

Medicare activity in 2024

Official CMS public-use data for Abirami Muthukumaran, 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. Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (G0453)1,640 services
2. Placement of skin electrodes and measurement of stimulated sites on arms and legs (95938)136 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)50 services
4. Placement of skin electrodes and measurement of central motor stimulation in arms and legs (95939)49 services
5. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)28 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 cholesterol75%
• Arthritis75%
• High blood pressure73%
• Anxiety38%
• Ischemic heart disease37%
• Depression28%

Hospitals where Abirami Muthukumaran works

Medicare's Facility Affiliation Data lists Abirami Muthukumaran 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
• Ventura County Medical CenterVentura, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050159

Practice locations

Addresses where Abirami Muthukumaran is enrolled with Medicare (CMS data updated October 2, 2026).

• 1227 E Los Angeles AveSimi Valley, CA 93065 (805) 582‑4075
• 300 Hillmont AveVentura, CA 93003
• 8700 Beverly BlvdWest Hollywood, CA 90048

Group practices

Medicare enrollment lists Abirami Muthukumaran as a member of these groups (CMS data updated October 2, 2026).

• Cedars-Sinai Medical Center799 clinicians in the group
• County of Ventura344 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in California

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

• Peter K. Kim, MD
• Tung Henry Tang, DO
• Tara A. Quesnell, DO
• Zachary D. Threlkeld, MD
• Junghoon Ha, MD
• Noor S. Sachdev, MD
• Julio Cesar Gonzalez Maya, MD
• Patricia S. Maska, MD

All neurologists in California →

Other clinicians in Cedars-Sinai Medical Center

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

• Chrystal M. Reed, MD
• Gabriela Dellapiana, MD
• Michelle Allen-Sharpley, MD
• Harry Sax, MD
• Simon Lo, MD
• Michael A. Bolton, 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