Regan C. Holdridge, MD

Medicare activity in 2024

Official CMS public-use data for Regan C. Holdridge, 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, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)37,230 services
2. Injection, pembrolizumab, 1 mg (J9271)13,600 services
3. Injection, fosaprepitant, 1 mg (J1453)8,850 services
4. Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg (J1568)7,560 services
5. Injection, denosumab, 1 mg (J0897)4,980 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
• Arthritis44%
• Diabetes31%
• Osteoporosis28%

Hospitals where Regan C. Holdridge works

Medicare's Facility Affiliation Data lists Regan C. Holdridge 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.

• Boulder City HospitalBoulder City, NV · Critical Access Hospital · Emergency services: listed by Medicare · CCN 291309
• Saint Rose Dominican Hospitals - Siena CampusHenderson, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290045
• Sunrise Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290003

Practice locations

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

• 1505 Wigwam Pkwy, Suite 130Henderson, NV 89074 (702) 856‑1400

Group practices

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

• Allison Curtis Kingsley Meoz Michael and Sanchez PC72 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in Nevada →

Other hematologist-oncologists in Henderson

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

• Shamail Butt, MD
• Ramalingam Ratnasabapathy, MD
• Nutan K. Parikh, MD
• Ghulam H. Kashef, MD
• Rupesh J. Parikh, MD
• Resty T. Tibayan, MD
• Muhammad S. Ghani, MD
• Anthony V. Nguyen, MD

All hematologist-oncologists in Henderson →

Other clinicians in Allison Curtis Kingsley Meoz Michael and Sanchez PC

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

• Dhan D. Kaushal, MD
• Raul T. Meoz, MD
• John J. Wojcik, MD
• Vikas Gupta, MD
• Tooba Mohammad, MD
• Sheila Marie D. Lopez, NP

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