Quick answers
- Which hospitals does Efrem M. Cox work at?
- Medicare's official clinician data lists Efrem M. Cox at 5 hospitals: Saint Rose Dominican Hospitals - Siena Campus, Southern Hills Hospital and Medical Center, Spring Valley Hospital Medical Center, Sunrise Hospital and Medical Center and University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Efrem M. Cox see patients?
- Medicare's clinician data lists 3 practice locations, including Lake Havasu City, AZ, Las Vegas, NV and Henderson, NV. Call before your visit to confirm the address.
- What is Efrem M. Cox's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Efrem M. Cox accept Medicare assignment?
- Yes. Medicare's clinician data says Efrem M. Cox 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.
- What is the phone number for Efrem M. Cox?
- (702) 896-0940, as listed in official Medicare / NPI Registry data.
- What is Efrem M. Cox's NPI number?
- 1841581527. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Efrem M. Cox works
Medicare's Facility Affiliation Data lists Efrem M. Cox 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
- Spring Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290046
- Sunrise Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290003
- University Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290007
Practice locations
Addresses where Efrem M. Cox is enrolled with Medicare (CMS data updated 2026-10-02).
- 1972 Mesquite AveLake Havasu City, AZ 86403 (702) 896‑0940
- 8530 W Sunset Rd, Suite 250Las Vegas, NV 89113 (702) 851‑0792
- 861 Coronado Ctr Dr, Suite 200Henderson, NV 89052 (702) 896‑0940
Group practices
Medicare enrollment lists Efrem M. Cox as a member of this group (CMS data updated 2026-10-02).
- Duke Forage Anson Neurosurgical LLP9 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Lake Havasu City
Clinicians with the same Medicare primary specialty in Lake Havasu City, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841581527 |
| 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