Ajay K. Toppur Ramanakumar, MD

Medicare activity in 2024

Official CMS public-use data for Ajay K. Toppur Ramanakumar, 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. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,987 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,821 services
3. Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)1,738 services
4. Injection, regadenoson, 0.1 mg (J2785)836 services
5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)777 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 disease54%
• Arthritis42%
• Diabetes38%
• Chronic kidney disease36%

Hospitals where Ajay K. Toppur Ramanakumar works

Medicare's Facility Affiliation Data lists Ajay K. Toppur Ramanakumar 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 SonoraSonora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050335
• Dameron HospitalStockton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050122
• Mark Twain Medical CenterSan Andreas, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 051332
• St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084
• Sutter Amador HospitalJackson, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050014

Practice locations

Addresses where Ajay K. Toppur Ramanakumar is enrolled with Medicare (CMS data updated October 2, 2026).

• 1148 Norman DrManteca, CA 95336
• 1530 Bessie Ave, Suite 101Tracy, CA 95376 (209) 832‑0343
• 415 E Harding WayStockton, CA 95204
• 415 E Harding Way, Suite DStockton, CA 95204

Group practices

Medicare enrollment lists Ajay K. Toppur Ramanakumar as a member of this group (CMS data updated October 2, 2026).

• Stockton Cardiology Medical Group Complete Heart Care Inc14 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Manteca

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

• Rajiv H. Punjya, MD
• Surrender Raina, MD
• Sanjeev G. Vaishampayan, MD
• John Yeung, DO
• David C. Lim, MD
• Leslie C. Baluyot, MD
• Ali R. Mirhosseini, MD
• Glenmore U. Lasam, MD

All cardiologists in Manteca →

Other clinicians in Stockton Cardiology Medical Group Complete Heart Care Inc

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

• Rajiv H. Punjya, MD
• Surrender Raina, MD
• Sanjeev G. Vaishampayan, MD
• Caroline D. Andersen, PA
• Vaikom Mahadevan, MD
• Baljit S. Dhesi, 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