Cesar J. Tumakay, DO

Medicare activity in 2024

Official CMS public-use data for Cesar J. Tumakay, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)48,017 services
2. Injection, gadobutrol, 0.1 ml (A9585)32,476 services
3. Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (A9552)574 services
4. X-ray of chest, 2 views (71046)557 services
5. Nuclear medicine study from skull base to mid-thigh with ct scan (78815)502 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%
• Arthritis60%
• Diabetes35%
• Chronic kidney disease31%
• Ischemic heart disease27%

Hospitals where Cesar J. Tumakay works

Medicare's Facility Affiliation Data lists Cesar J. Tumakay 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.

• Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557
• Oak Valley Hospital DistrictOakdale, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050067

Practice locations

Addresses where Cesar J. Tumakay is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.

• 1409 E Briggsmore AveModesto, CA 95355 (209) 524‑1211
• 1700 Coffee RdModesto, CA 95355 (209) 526‑4500
• 2488 N California StStockton, CA 95204 (209) 948‑3333
• 2505 W Hammer LnStockton, CA 95209 (209) 957‑7050
• 2545 W Hammer LnStockton, CA 95209 (209) 957‑7050

Group practices

Medicare enrollment lists Cesar J. Tumakay as a member of this group (CMS data updated October 2, 2026).

• Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Modesto

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

• John K. Yoon, MD
• David Y. Li, DO
• Michael A. Heisler, MD
• Michael A. Zeppa, MD
• Husein Husein, MD
• Ravi M. Venkatesh, MD
• Hollie Gallagher-Zate, DO
• Rafael Vargas, MD

All radiologists in Modesto →

Other clinicians in Sutter Valley Medical Foundation

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

• Daniel P. Burke
• Janel L. Pabon, PA
• Pallavi A. Danforth, DO
• Phil Lugo, MD
• Garrick J. Biddle, MD
• Christopher S. Walthour, 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