MS. LAREN ELIZABETH WILLIAMS CRNA
NPI 1972683456
Nurse Anesthetist, Certified Registered in Little Rock, AR

Active since October 17, 2006Accepts Medicare Assignment
1701 S SHACKLEFORD RD, LITTLE ROCK, AR 72211(501) 219-7000 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Laren Elizabeth Williams Crna NPPES

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

MS. LAREN ELIZABETH WILLIAMS CRNA (NPI 1972683456) is an individual nurse anesthetist, certified registered in Little Rock, Arkansas, licensed in Arkansas (C003198) and active in the NPI registry since October 2006. She is a graduate of Other (2017).

NPPES Registry Identity

NPI1972683456
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMS. LAREN ELIZABETH WILLIAMSCredential: CRNA
Location Address1701 S SHACKLEFORD RDLittle Rock, AR 72211-4335
Mailing Address1701 S Shackleford RdLittle Rock, AR 72211-4335 · (501) 219-7000
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 17, 2006
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1972683456 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 AR · C003198✔ Licensed in TX · 559935
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.
1701 S SHACKLEFORD RD, Little Rock, AR 72211

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

Ms. Laren Elizabeth Williams 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 ID8123096419
PECOS Enrollment IDI20180619000290

Medicare Billing Reassignments

14

Medicare enrollment records show Laren Williams reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
7 SHACKLEFORD WEST BLVD
Little Rock, AR 72211
  • Reassigned Medicare billing, Arkansas enrollment
  • 169 clinicians in this Medicare group
Magnetic Resonance Imaging (MRI)
10301 KANIS RD STE 2
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 176 clinicians in this Medicare group
Family Medicine
11300 FINANCIAL CENTRE PKWY
Little Rock, AR 72211
  • Reassigned Medicare billing, Arkansas enrollment
  • Also billed through NPI 1346230968 (Arkansas)
  • 2,038 clinicians in this Medicare group
Anesthesiology
10001 LILE DR STE 200
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • Medicare enrollment name: Premier Gastroenterology Associates PLLC
  • 72 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
2024 ARKANSAS VALLEY DR, SUITE 202
Little Rock, AR 72212
  • Reassigned Medicare billing, Arkansas enrollment
  • 50 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
500 S UNIVERSITY AVE, SUITE 414
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 4 clinicians in this Medicare group
Anesthesiology
5201 NORTHSHORE DR
North Little Rock, AR 72118
  • Reassigned Medicare billing, Arkansas enrollment
  • 76 clinicians in this Medicare group
Anesthesiology
1 MEDICAL PARK DR
Benton, AR 72015
  • Reassigned Medicare billing, Arkansas enrollment
  • 182 clinicians in this Medicare group
Physical Medicine & Rehabilitation
1000 S BECKHAM AVE
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
Anesthesiology
14850 QUORUM DR STE 400
Dallas, TX 75254
  • Reassigned Medicare billing, Texas enrollment
  • 62 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 2

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.
24 services24 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.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72211 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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
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.

Other Providers at the Same Location NPPES 20

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

Anesthesiology
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Emergency Medicine
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Emergency Medicine
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Emergency Medicine (Undersea and Hyperbaric Medicine)
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Clinic/Center
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Registered Nurse (Emergency)
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Surgery
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211
Nurse Practitioner (Adult Health)
1701 S SHACKLEFORD RD
LITTLE ROCK, AR 72211

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 Laren Williams's NPI number?

The NPI number for Laren Williams is 1972683456. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is Laren Williams located?

Laren Williams practices at 1701 S Shackleford Rd, Little Rock, AR 72211. The listed phone number is (501) 219-7000.

What is Laren Williams's specialty?

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

Is Laren Williams enrolled in Medicare?

Yes. Laren Williams 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 Laren Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laren Williams reassigns Medicare benefits to 14 organizations: Arkansas Heart Hospital, LLC (Little Rock, AR), Orthoarkansas, PA (Little Rock, AR), University Of Arkansas For Medical Sciences (Little Rock, AR), Premier Gastroenterology Associates-Anes PLLC (Little Rock, AR), Bp Anesthesia, PLLC (Little Rock, AR) and 9 more organizations, listed in the Medicare section above. 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 Laren Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Laren Williams accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Laren Williams 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 Laren Williams was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.