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LAUREN MICHELLE WILLIAMS MD
NPI 1649697665
Pediatrics - Pediatric Critical Care Medicine in Dallas, TX

Active since March 27, 2014PECOS Enrolled
74.59/100
CMS Quality Rating
5323 HARRY HINES BLVD, DALLAS, TX 75390(214) 456-1600(214) 456-7594 Get Directions Write a Review

NPPES record last updated: December 13, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 13, 2022, Oct 12, 2022, Jun 11, 2018 (3 updates tracked since 2018).

About Lauren Michelle Williams Md NPPES

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

LAUREN MICHELLE WILLIAMS MD (NPI 1649697665) is an individual pediatric critical care medicine provider in Dallas, Texas, licensed in Texas (Q6128) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649697665
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameLAUREN MICHELLE WILLIAMSCredential: MD
Location Address5323 HARRY HINES BLVDDallas, TX 75390-5000
Mailing Address5323 Harry Hines BlvdDallas, TX 75390-9087 · (214) 456-1600 · Fax (214) 645-0078
Phone(214) 456-1600
Fax(214) 456-7594
Sole ProprietorNo
Enumeration DateMarch 27, 2014
Last NPPES UpdateDecember 13, 20223 updates tracked since enumeration
NPPES CertifiedDecember 13, 2022
✔ NPI 1649697665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in TX · Q6128
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License Q6128 (TX)
Also ListedPediatrics · Pediatric EndocrinologyTaxonomy 2080P0205X · License Q6128 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5323 HARRY HINES BLVD, Dallas, TX 75390
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Michelle 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 Reassignments

2

Medicare enrollment records show Lauren Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Texas Southwestern Medical Center At Dallas
Same address
Orthopaedic Surgery
5323 HARRY HINES BLVD
Dallas, TX 75390
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
NPI 1083669766 (214) 645-0624
Dallas Physician Medical Services For Children Inc
0.1 mi
Pediatrics
1935 MEDICAL DISTRICT DR
Dallas, TX 75235
  • Reassigned Medicare billing, Texas enrollment
  • 424 clinicians in this Medicare group
NPI 1194153650 (214) 456-7000

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

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.

74.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality56.12
Promoting Interoperability100
Improvement Activities40
Cost59.2

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.

MRS. TANYA MARIE PLETIN PA-C
Physician Assistant
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 648-6400
BENJAMIN SETH MARTINEZ MD
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 648-3111
LEE M. LUNSFORD MD
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 648-8000
TING-YI CHEN M.D.
Internal Medicine (Infectious Disease)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 645-2800
DR. STEPHANIE C JONES MD
Pain Medicine (Interventional Pain Medicine)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 648-9374
DR. ALECIA CURLENE NERO M.D.
Internal Medicine (Hematology)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 648-4180
DR. KATHERINE ANNA JOHNSON MD
Pediatrics
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 456-0771
ALEX KOYFMAN M.D.
Emergency Medicine
5323 HARRY HINES BLVD
DALLAS, TX 75390
Dallas County (214) 645-0624

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 Lauren Williams's NPI number?

The NPI number for Lauren Williams is 1649697665. It was assigned to this individual provider in the NPPES registry on March 27, 2014.

Where is Lauren Williams located?

Lauren Williams practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 456-1600.

What is Lauren Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Lauren Williams enrolled in Medicare?

Yes. Lauren Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lauren Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Williams reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and Dallas Physician Medical Services For Children Inc (Dallas, TX). 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 Lauren Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Williams accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Lauren 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 Lauren Williams was last updated on December 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.