Quick answers
- Which hospitals does Calvin D. Lyons work at?
- Medicare's official clinician data lists Calvin D. Lyons at 4 hospitals: Saint Rose Dominican Hospitals - Siena Campus, Southern Hills Hospital and Medical Center, Summerlin Hospital Medical Center and West Henderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin D. Lyons see patients?
- Medicare's clinician data lists 1 practice location in Henderson, NV. Call before your visit to confirm the address.
- What is Calvin D. Lyons's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
- Does Calvin D. Lyons accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin D. Lyons accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Calvin D. Lyons offer telehealth?
- Medicare's clinician data says Calvin D. Lyons offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Calvin D. Lyons?
- (702) 735-8000, as listed in official Medicare / NPI Registry data.
- What is Calvin D. Lyons's NPI number?
- 1811149404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin D. Lyons works
Medicare's Facility Affiliation Data lists Calvin D. Lyons at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Rose Dominican Hospitals - Siena CampusHenderson, NV · Acute Care Hospital · CCN 290045
- Southern Hills Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290047
- Summerlin Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290041
- West Henderson HospitalHenderson, NV · Acute Care Hospital · CCN 290062
Practice locations
Addresses where Calvin D. Lyons is enrolled with Medicare (CMS data updated 2026-10-02).
- 2310 Corporate Cir, Suite 200Henderson, NV 89074 (702) 735‑8000
Group practices
Medicare enrollment lists Calvin D. Lyons as a member of this group (CMS data updated 2026-10-02).
- Las Vegas Urology LLP50 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Nevada →
Other colorectal surgeons in Nevada
Clinicians with the same Medicare primary specialty in Nevada — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811149404 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians