Koushan Siami Namini, MD

Medicare activity in 2024

Official CMS public-use data for Koushan Siami Namini, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)2,793 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)1,641 services
3. Special stained specimen slides to examine tissue including interpretation and report (88313)855 services
4. Special stained specimen slides to examine tissue, initial procedure (88342)749 services
5. Microscopic genetic analysis of tumor, manual (88360)550 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%
• Arthritis62%
• Ischemic heart disease34%
• Chronic kidney disease30%
• Anxiety28%

Hospitals where Koushan Siami Namini works

Medicare's Facility Affiliation Data lists Koushan Siami Namini 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.

• Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050573

Practice locations

Addresses where Koushan Siami Namini is enrolled with Medicare (CMS data updated October 2, 2026).

• 39000 Bob Hope DrRancho Mirage, CA 92270 (760) 340‑3911
• 39950 Vista Del SolRancho Mirage, CA 92270 (760) 340‑0053

Group practices

Medicare enrollment lists Koushan Siami Namini as a member of this group (CMS data updated October 2, 2026).

• Eisenhower Medical Center456 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in California →

Other pathologists in Rancho Mirage

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

• Thong T. Nguyen, DO
• Barbara C. Comess, MD
• Masoud Movassaghi, MD
• Daniel Schwartz, MD
• Gabriel A. Giannini, MD
• Patti H. Richardson, MD
• Khanh P. Tran, MD

All pathologists in Rancho Mirage →

Other clinicians in Eisenhower Medical Center

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

• Sarah E. McIntosh, NP
• Stephen Merritt, NP
• Spencer W. Goss, NP
• Benjamin J. Hegenbarth, DO
• Kourosh Khamooshian, MD
• Javed Siddiqi, 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