Sujata N. Lalla-Reddy, MD

Medicare activity in 2024

Official CMS public-use data for Sujata N. Lalla-Reddy, 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 50 minutes (99233)2,535 services
2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)1,485 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)660 services
4. Hospital discharge day management, more than 30 minutes (99239)522 services
5. Critical care, first 30-74 minutes (99291)358 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%
• Chronic kidney disease61%
• Diabetes60%
• Ischemic heart disease57%
• Heart failure57%

Hospitals where Sujata N. Lalla-Reddy works

Medicare's Facility Affiliation Data lists Sujata N. Lalla-Reddy 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.

• Foothill Regional Medical CenterTustin, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050780
• Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Sujata N. Lalla-Reddy is enrolled with Medicare (CMS data updated October 2, 2026).

• 11180 Warner Ave, Suite 353Fountain Valley, CA 92708 (877) 699‑6743

Specialties

• Internal Medicineprimary
• Infectious Diseasealso

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fountain Valley

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

• Kathryn R. Rigonan, MD
• Whitney Ngo, DO
• Winston C. Wong, MD
• Douglas E. McConnaughey, MD
• Catherine F. Gentemann
• Ihong Chen, MD
• Davinder Singh, MD
• Maryanne R. Ibrahim, MD

All internal medicine doctors in Fountain Valley →

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