Omid S. Shaye, MD

Medicare activity in 2024

Official CMS public-use data for Omid S. Shaye, 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. Injection, pembrolizumab, 1 mg (J9271)22,058 services
2. Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (J1569)7,082 services
3. Injection, denosumab, 1 mg (J0897)4,577 services
4. Injection, ondansetron hydrochloride, per 1 mg (J2405)3,656 services
5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)3,250 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%
• Arthritis56%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
• Ischemic heart disease38%
• Diabetes37%

Hospitals where Omid S. Shaye works

Medicare's Facility Affiliation Data lists Omid S. Shaye 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 Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
• Providence Cedars Sinai Tarzana Medical CenterTarzana, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050761
• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
• UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050481

Practice locations

Addresses where Omid S. Shaye is enrolled with Medicare (CMS data updated October 2, 2026).

• 7320 Woodlake Ave, Suite 330West Hills, CA 91307 (818) 346‑1773

Group practices

Medicare enrollment lists Omid S. Shaye as a member of this group (CMS data updated October 2, 2026).

• Omid S. Shaye, M.D., a Medical Corporation4 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Christopher S. Ho, MD
• Ashkan Lashkari, MD
• Assuntina G. Sacco, MD
• Rahul R. Naik, MD
• Zev A. Wainberg, MD
• Thomas I. Sweet, MD
• Arun S. Singh, MD
• Kaitlyn C. Dykes

All hematologist-oncologists in California →

Other clinicians in Omid S. Shaye, M.D., a Medical Corporation

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

• Christopher S. Ho, MD
• Ashkan Lashkari, 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