Geoffrey C. Hsieh, MD

Medicare activity in 2024

Official CMS public-use data for Geoffrey C. Hsieh, 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 low level od decision making, if using time, 20 minutes or more (99213)152 services
2. Electronic assessment of bladder emptying (51741)141 services
3. Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings (51784)81 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)74 services
5. Simple measurement of pressure of urine flow in bladder (51725)72 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 cholesterol75%
• High blood pressure70%
• Arthritis57%
• Osteoporosis29%
• Diabetes28%
• Depression23%

Hospitals where Geoffrey C. Hsieh works

Medicare's Facility Affiliation Data lists Geoffrey C. Hsieh 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.

• Henderson HospitalHenderson, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290057
• Saint Rose Dominican Hospitals - Siena CampusHenderson, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290045
• Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290021

Practice locations

Addresses where Geoffrey C. Hsieh is enrolled with Medicare (CMS data updated October 2, 2026).

• 2050 Pinto Lane, Suite 200Las Vegas, NV 89106 (702) 693‑6870

Group practices

Medicare enrollment lists Geoffrey C. Hsieh as a member of this group (CMS data updated October 2, 2026).

• Women's Cancer Center of Nevada Inc6 clinicians in the group

Specialties

• Gynecological Oncologyprimary

Find other Gynecological Oncology doctors in Nevada →

Other gynecologic oncologists in Las Vegas

Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.

• Natalie S. Gould, MD
• Robert J. Futoran, MD
• Alexandra N. Spirtos, MD

All gynecologic oncologists in Las Vegas →

Other clinicians in Women's Cancer Center of Nevada Inc

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

• Natalie S. Gould, MD
• Alexandra N. Spirtos, MD
• Nicola M. Spirtos, MD
• Kent A. Swaine, MD
• Aimee C. Fleury, 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