CISSIE L WALKER CRNA
NPI 1891763462
Nurse Anesthetist, Certified Registered in Las Vegas, NV

Active since March 09, 2006Accepts Medicare Assignment
100/100
CMS Quality Rating
6950 S CIMARRON RD STE 200, LAS VEGAS, NV 89113(702) 796-0231(702) 796-5211 Get Directions Write a Review

NPPES record last updated: April 25, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cissie L Walker Crna NPPES

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

CISSIE L WALKER CRNA (NPI 1891763462) is an individual nurse anesthetist, certified registered in Las Vegas, Nevada, licensed in Nevada (CRNA000322) and active in the NPI registry since March 2006. She is a graduate of Other (2004).

NPPES Registry Identity

NPI1891763462
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameCISSIE L WALKERCredential: CRNA
Location Address6950 S CIMARRON RD STE 200Las Vegas, NV 89113-2135
Mailing Address3835 S Jones Blvd, Suite 104Las Vegas, NV 89103-7125 · (702) 880-4193 · Fax (702) 880-4197
Fax(702) 796-5211
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMarch 9, 2006
Last NPPES UpdateApril 25, 2019
✔ NPI 1891763462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in NV · CRNA000322✔ Licensed in GA · RN135266✔ Licensed in TX · 719268
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
6950 S CIMARRON RD STE 200, Las Vegas, NV 89113

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cissie L Walker Crna 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 ID7517913999
PECOS Enrollment IDI20080416000593

Medicare Billing Reassignments

4

Medicare enrollment records show Cissie Walker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
6950 S CIMARRON RD STE 200
Las Vegas, NV 89113
  • Reassigned Medicare billing, Nevada enrollment
  • Medicare enrollment name: Frank J Nemec MD Ltd
  • 10 clinicians in this Medicare group
Anesthesiology
304 S JONES BLVD # 884
Las Vegas, NV 89107
  • Reassigned Medicare billing, Nevada enrollment
  • 182 clinicians in this Medicare group
Anesthesiology
1930 VILLAGE CENTER CIR STE 3-708
Las Vegas, NV 89134
  • Reassigned Medicare billing, Nevada enrollment
  • 9 clinicians in this Medicare group
Anesthesiology
6900 N DURANGO DR
Las Vegas, NV 89149
  • Reassigned Medicare billing, Nevada enrollment
  • 123 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
210 services209 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
122 services119 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
121 services121 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
83 services83 patients

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 10

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

Internal Medicine (Gastroenterology)
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Physician Assistant
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Internal Medicine (Gastroenterology)
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Internal Medicine (Gastroenterology)
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Physician Assistant
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Nurse Anesthetist, Certified Registered
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Internal Medicine (Gastroenterology)
6950 S CIMARRON RD STE 200
LAS VEGAS, NV 89113
Internal Medicine (Gastroenterology)
6950 S CIMARRON RD STE 200
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 Cissie Walker's NPI number?

The NPI number for Cissie Walker is 1891763462. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Cissie Walker located?

Cissie Walker practices at 6950 S Cimarron Rd Ste 200, Las Vegas, NV 89113. The listed phone number is (702) 796-0231.

What is Cissie Walker's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Cissie Walker enrolled in Medicare?

Yes. Cissie Walker 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.

Which organizations bill Medicare for Cissie Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cissie Walker reassigns Medicare benefits to 4 organizations: Frank J Nemec M D Ltd (Las Vegas, NV), Red Rock Anesthesia Consultants LLC (Las Vegas, NV), Nitai Anesthesia Group PLLC (Las Vegas, NV) and Amin, Dunckelmeyer And Luu PLLC (Las Vegas, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cissie Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cissie Walker accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Cissie Walker 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.

When was this NPI record last updated?

The NPPES record for Cissie Walker was last updated on April 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.