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PATRICIA GAIL WILLIAMS MD
NPI 1003894908
Pediatrics - Developmental - Behavioral Pediatrics in Louisville, KY

Active since January 03, 2006PECOS Enrolled
100/100
CMS Quality Rating
411 E CHESTNUT ST, LOUISVILLE, KY 40202(502) 588-0850(502) 588-0861 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 7, 2023, Jan 28, 2021, Jun 10, 2020 and 1 more (4 updates tracked since 2020).

About Patricia Gail Williams Md NPPES

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

PATRICIA GAIL WILLIAMS MD (NPI 1003894908) is an individual developmental - behavioral pediatrics provider in Louisville, Kentucky, licensed in Kentucky (27352) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003894908
Entity TypeIndividualFemale
Primary Taxonomy2080P0006X
Provider Legal NamePATRICIA GAIL WILLIAMSCredential: MD
Location Address411 E CHESTNUT STLouisville, KY 40202-1713
Mailing AddressPo Box 776879Chicago, IL 60677-6879 · (502) 588-9490 · Fax (502) 272-5116
Phone(502) 588-0850
Fax(502) 588-0861
Sole ProprietorNo
Enumeration DateJanuary 3, 2006
Last NPPES UpdateMarch 7, 20234 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2021
✔ NPI 1003894908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in KY · 27352
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Also ListedPediatrics · Neurodevelopmental DisabilitiesTaxonomy 2080P0008X · License 27352 (KY)
411 E CHESTNUT ST, Louisville, KY 40202
Open in Google Maps ↗

Other Identifiers 1

Medicaid64273527KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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)

Patricia Gail 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 Patricia 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 Louisville Physicians, Inc.
Same address
Neurology
401 E CHESTNUT ST, SUITE 510
Louisville, KY 40202
  • Reassigned Medicare billing, Kentucky enrollment
  • 2,337 clinicians in this Medicare group
NPI 1063778744 (502) 589-0802
Norton Children's Medical Group, LLC
10 mi
Clinical Genetics (M.D.)
4803 OLYMPIA PARK PLZ STE 1100
Louisville, KY 40241
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: Norton Childrens Medical Group LLC
  • 1,008 clinicians in this Medicare group
NPI 1013559921 (502) 272-5336

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.

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 20

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

MS. KIMBERLY LYNNE HALL DNP FNP-BC
Nurse Practitioner (Family)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-2201
MS. ANN ELIZABETH LORIMER PA-C
Physician Assistant
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-7600
AMANDA BRIAN ROGERS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-3650
HALLEY STEWART GC
Genetic Counselor, MS
411 E CHESTNUT ST, LEVEL 2
LOUISVILLE, KY 40202
Jefferson County (502) 588-0850
DR. MARY E FALLAT M.D.
Surgery (Pediatric Surgery)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-0390
JESSICA RAY COLEMAN APRN
Nurse Practitioner (Family)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-3400
ALICE BOOS-EDWARDS APRN
Nurse Practitioner (Pediatrics)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 588-2201
SAMANTHA MARIA REYES RDN
Dietitian, Registered
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 435-7904

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 Patricia Williams's NPI number?

The NPI number for Patricia Williams is 1003894908. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Where is Patricia Williams located?

Patricia Williams practices at 411 E Chestnut St, Louisville, KY 40202. The listed phone number is (502) 588-0850.

What is Patricia Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Patricia Williams enrolled in Medicare?

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

Which organizations bill Medicare for Patricia Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Williams reassigns Medicare benefits to 2 organizations: University Of Louisville Physicians, Inc. (Louisville, KY) and Norton Children's Medical Group, LLC (Louisville, KY). 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 Patricia Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patricia Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter of Tennessee and CareSource list Patricia 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 Patricia Williams was last updated on March 7, 2023. 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.