Keshav R. Nayak, MD

Medicare activity in 2024

Official CMS public-use data for Keshav R. Nayak, 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 moderate level of decision making, if using time, 30 minutes or more (99214)740 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)645 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)516 services
4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)365 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)304 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%
• Ischemic heart disease65%
• Heart failure62%
• Arthritis50%
• Atrial fibrillation42%

Hospitals where Keshav R. Nayak works

Medicare's Facility Affiliation Data lists Keshav R. Nayak 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.

• Scripps Memorial Hospital La JollaLa Jolla, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050324
• Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
• Sharp Coronado Hospital and Healthcare CenterCoronado, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050234

Practice locations

Addresses where Keshav R. Nayak is enrolled with Medicare (CMS data updated October 2, 2026).

• 4077 5th AveSan Diego, CA 92103 (619) 260‑7245
• 435 H StChula Vista, CA 91910 (619) 359‑6600
• 501 Washington St, Suite 512San Diego, CA 92103 (619) 297‑0014

Group practices

Medicare enrollment lists Keshav R. Nayak as a member of these groups (CMS data updated October 2, 2026).

• Emergency and Acute Care Medical Corporation422 clinicians in the group
• On Call Specialists Medical Group of San Diego Inc144 clinicians in the group
• Scripps Mercy Physicians Cardiology Medical Corporation35 clinicians in the group

Specialties

• Interventional Cardiologyprimary
• Cardiovascular Disease (Cardiology)also

Find other Interventional Cardiology doctors in California →

Other interventional cardiologists in San Diego

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

• Ehtisham Mahmud, MD
• Jorge Rodriguez Nylund, MD
• Gregory R. Czaja, MD
• Lawrence Ang, MD
• Belal O. Al Khiami, MD
• Ajay Yadlapati, MD
• Raghava R. Gollapudi, MD
• Ryan R. Reeves, MD

All interventional cardiologists in San Diego →

Other clinicians in Emergency and Acute Care Medical Corporation

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

• Arneh Babakhani, MD
• Tyler J. Mitchell, MD
• Roy T. Avalos, MD
• Pardis Pooshpas, MD
• Asseel Albayati, MD
• Alexandra Kharazi, 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