Sunny Y. Melendez, MD

Medicare activity in 2024

Official CMS public-use data for Sunny Y. Melendez, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)986 services
2. Injection of drug or substance under skin or into muscle (96372)788 services
3. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)459 services
4. Insertion of needle into vein for collection of blood sample (36415)284 services
5. Folic acid level, serum (82746)261 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%
• Diabetes75%
• Ischemic heart disease75%
• Osteoporosis75%
• Chronic kidney disease59%

Hospitals where Sunny Y. Melendez works

Medicare's Facility Affiliation Data lists Sunny Y. Melendez 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.

• Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050078
• Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353
• Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050351

Practice locations

Addresses where Sunny Y. Melendez is enrolled with Medicare (CMS data updated October 2, 2026).

• 2841 Lomita Blvd, Suite 205Torrance, CA 90505 (310) 542‑7733

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in California →

Other endocrinologists in Torrance

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

• Andrew G. Gianoukakis, MD
• Cynthia H. Ro, MD
• Anshu K. Buttan, MD
• Tatiana V. Sams, MD
• Lubna H. Naqi, MD
• Ning-Ai Liu, MD
• Parul Khanna, MD
• Hae Seung Lee, MD

All endocrinologists in Torrance →

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