EFREM MICHAEL COX MD
NPI 1841581527
Neurological Surgery in Las Vegas, NV

Active since April 28, 2011PECOS EnrolledAccepts Medicare Assignment
98.13/100
CMS Quality Rating
8530 W SUNSET RD STE 250, LAS VEGAS, NV 89113(702) 851-0792(702) 851-0797 Get Directions Write a Review

NPPES record last updated: February 12, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 12, 2020, Jan 2, 2020, Mar 19, 2018 (3 updates tracked since 2018).

About Efrem Michael Cox Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EFREM MICHAEL COX MD (NPI 1841581527) is an individual neurological surgery provider in Las Vegas, Nevada, licensed in Nevada (19177) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and maintains a secondary practice location in Henderson.

NPPES Registry Identity

NPI1841581527
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameEFREM MICHAEL COXCredential: MD
Location Address8530 W SUNSET RD STE 250Las Vegas, NV 89113-2245
Mailing AddressPo Box 95306Las Vegas, NV 89193-5306 · (702) 851-0792 · Fax (702) 851-0797
Fax(702) 851-0797
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2011
Enumeration DateApril 28, 2011
Last NPPES UpdateFebruary 12, 20203 updates tracked since enumeration
NPI 1841581527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in NV · 19177
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
8530 W SUNSET RD STE 250, Las Vegas, NV 89113

Secondary Practice Location 1

Location 1861 Coronado Center Dr Ste 200Henderson, NV 89052-3992 · Phone (702) 896-0940 · Fax (702) 896-6173

Other Identifiers 2

Other19177NV · Nsbme
Medicaid1841581527NV

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Efrem Michael Cox Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567897358
PECOS Enrollment IDI20200124002283, I20200205000617
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
125 services124 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
81 services59 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
61 services61 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sunrise Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
1/5 CMS rating
OwnershipProprietary
CMS Certification Number290003
Location3186 S Maryland PkwyLas Vegas, NV 89109 · Clark County
Emergency services

University Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number290007
Location1800 W Charleston BlvdLas Vegas, NV 89102 · Clark County
Emergency services Birthing friendly

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290045
Location3001 St Rose ParkwayHenderson, NV 89052 · Clark County
Emergency services Birthing friendly

Spring Valley Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number290046
Location5400 South Rainbow BlvdLas Vegas, NV 89118 · Clark County
Emergency services Birthing friendly

Southern Hills Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
4/5 CMS rating
OwnershipProprietary
CMS Certification Number290047
Location9300 West Sunset RdLas Vegas, NV 89148 · Clark County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89113 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.13/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality96.26
Improvement Activities40

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Electrodiagnostic Medicine
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113
Physician Assistant
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113
Urology
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113
Physician Assistant
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113
Neurological Surgery
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113
Urology
8530 W SUNSET RD STE 250
LAS VEGAS, NV 89113

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Efrem Cox's NPI number?

The NPI number for Efrem Cox is 1841581527. It was assigned to this individual provider in the NPPES registry on April 28, 2011.

Where is Efrem Cox located?

Efrem Cox practices at 8530 W Sunset Rd Ste 250, Las Vegas, NV 89113. The listed phone number is (702) 851-0792.

What is Efrem Cox's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Efrem Cox enrolled in Medicare?

Yes. Efrem Cox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Efrem Cox accept?

Health plans from Blue Cross Blue Shield of Arizona list Efrem Cox as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Efrem Cox affiliated with any hospitals?

According to CMS data, Efrem Cox is affiliated with Sunrise Hospital And Medical Center, University Medical Center, Saint Rose Dominican Hospitals - Siena Campus, Spring Valley Hospital Medical Center and Southern Hills Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Efrem Cox was last updated on February 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.