MONICA NICOLE WILLIAMS MD
NPI 1194466748
Anesthesiology in Little Rock, AR

Q: What is Monica Williams's NPI number?

The NPI number for Monica Williams is 1194466748. It was assigned to this individual provider in the NPPES registry on April 6, 2022. The provider is also known as Monica N Armstrong.

Q: What is Monica Williams's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Monica Williams was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 06, 2022PECOS Enrolled

4301 W MARKHAM ST # 515, LITTLE ROCK, AR 72205(501) 686-8000(501) 526-5148 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 17, 2026, Apr 6, 2022 (2 updates tracked since 2022).

On this page

About Monica Nicole Williams Md NPPES

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

MONICA NICOLE WILLIAMS MD (NPI 1194466748) is an individual anesthesiology provider in Little Rock, Arkansas, licensed in Arkansas (E-20228) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194466748

Entity TypeIndividualFemale

Primary Taxonomy207L00000X

Provider Legal NameMONICA NICOLE WILLIAMSCredential: MD

Location Address4301 W MARKHAM ST # 515Little Rock, AR 72205-7101

Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000 · Fax (501) 526-5148

Phone(501) 686-8000

Fax(501) 526-5148

Sole ProprietorNo

Enumeration DateApril 6, 2022

Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration

NPPES CertifiedJuly 17, 2026

✔ NPI 1194466748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in AR · E-20228

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

4301 W MARKHAM ST # 515, Little Rock, AR 72205

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Other Names 1

Former Name (1)Monica N Armstrong

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Monica Nicole Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Monica Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Arkansas For Medical Sciences

Same address

Advanced Practice Midwife

4301 W MARKHAM ST # 783
Little Rock, AR 72205

Reassigned Medicare billing, Arkansas enrollment
2,038 clinicians in this Medicare group

NPI 1043372220 (501) 686-8000

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

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.

DR. BAILOR L HARDMAN M.D.

Anesthesiology